Ed doublet refractor for sale. Explore Scientific AR102 102mm f/6.

Ed doublet refractor for sale 2. I bought from APM before, I have met Markus at the APM booth at NEAF, and given his participation on this forum plus investing in a US store, I had confidence in the purschase. VAT) Altair Long Perng ED f/6 66mm Doublet Refractor OPEN BOX DISCOUNT. My first refractor with ED glass. 00 $696. What experiences have people had using this for astrophotography? The person is asking 500. The goal of designers at Explore Scientific was to provide an extreme value by producing true diffraction-limited optics at a price that will allow more people to explore the sky with Aug 9, 2020 · Sky Watcher offers a "premium" doublet, the Evostar 120mm f/7. Includes metal rings and a 2'' to 1. The StarField Optics ED102 f/7 APO Doublet Refractor uses high end FPL-53 glass & a Lanthanum element to produce amazing results! The 2. The result is images that are essentially free of the annoying halo of unfocused violet light (chromatic aberration) that often mars the view of bright stars and solar system objects. My other option right now is the ES AR102 simply because it comes with pretty much everything I would need This 70mm SV503 multi-function OTA is suitable for shooting sun and moon, landscape scenery and deep space photography. Oct 2, 2024 · Synta 120mm ED doublets at F7. This results in the best color correction for an ED doublet lens. This will be for visual use; no photography planned at this time. If my budget wasnt already tapped, actually more than tapped as I may have to sell a few items because of recent life events, I would buy the 80mm doublet apo right now. That is not surprising as the longer focal length works better with fpl-51 glass. The ASCENT 102mm F11 ED Doublet refractor is optimised for visual observation and imaging of solar system objects. 00 Add to Basket. Starwave 152 Achromat Refractor Features: Fully multi-coated 152mm doublet achromatic lens in a fully collimatable lens cell, focal length 900mm (F5. 00 (ex Altair 60 EDF Doublet Refractor Telescope V3 From: £499. 00 Regular price $696. High quality build, well corrected extra low disperion lenses for clean, crisp views with excellent contrast and colour correction BBC Sky at Night magazine rated at 4. The finish of the telescope is baked with high-end fine-grained paint, with exquisite appearance and delicate feel. The ratio of the two-speed 2'' toothed focusing seat is 1:10, which makes it easy to achieve accurate focus. Sky-Watcher’s Evolux apochromatic doublet refractors are the perfect blend of superior extra-low dispersion glass and affordability. As you say it is very good, and for its aperture, the TV 102 is same, while my fluorite F9 beats both. Since then, the "Pronto" has become highly successful for birding (considered a "Reference Standard" in it's class), and has been well accepted by the astronomy community too. Anyone considering this? TS-Optics Photoline 150 f/8 ED Doublet Refractor £2,664. Ive had my eye on the Skywatcher Pro, but I havent seen a used one for sale in a while. SV503 80mm F7 astronomy telescope SV503 would be better begin for astronomy amateurs to do astrophotography. Jan 2, 2021 · If the SVX125D is "better" than my SVA125, it will be a truly exceptional visual-use refractor. 45 arc seconds; Visual Limiting Magnitude 12. The larger aperture of the SkyWatcher ED120 Telescope provides you a dramatic increase in resolution and observe the lunar and planetary surface phenomenon in 3D-alike high-definition. It combines advanced optics, robust construction, and precise focusing mechanisms to deliver an unparalleled stargazing and im Get the best deals on 102 mm Aperture Refractor Telescopes Explore Scientific AR102 102mm f/6. The Orion is about $100 more new, but they have a second that is The Sky-Watcher Evostar 100ED uses a crown glass element, an ED glass element, and state-of-the-art optical multicoatings in its apochromatic ED doublet optics. We have painstakingly engineered an optical solution to bring you APM quality at an unheard price. Apr 7, 2021 · I have a 102mm f/11 ED doublet with fpl-51 or equivalent and has zero visible CA that I can see so it matches my 102mm f/7 fpl-53 doublet. This compact telescope features fully multicoated, air-spaced doublet optics with an ED glass lens equal to FPL-51 for sharp, high-contrast images, virtually free of false colour. A gorgeous, classic refractor for all your astronomy needs but works great for daytime, too! Aug 12, 2022 · NEW Starfield 102mm f/7 ED doublet refractor for visual astronomy & astrophotography! This traditionally designed telescope features modern, fully multicoated optics with Japanese Ohara FPL53 ED and Lanthanum glass for bright, high-contrast views with exceptionally low chromatic aberration. 4” rack-and-pinion focuser Tube-ring attachment hardware with V-style dovetail plate Aluminum case Sky-Watcher Evostar refractors provide the finest images obtainable in their design class. 25" with ring clamping and additional photo-thread M63x1 and M68x1 for screw-connections Oct 30, 2024 · Page 1 of 2 - Refractor choices - posted in Refractors : I am considering a refractor to compliment my dob as a more portable instrument that I could also take on a plane. Feb 1, 2020 · Page 1 of 2 - New TS 150mm Doublet. The Starfield comes without a finder mounting shoe; the Takahashi, well, almost everything! £899. A perfectly defined set of white diffraction rings with jet black spacing. All metal. The ED/apo version of this scope is the TeleVue 76 which is much expensive. As far as what is available current production, are there more than just these? Sky-Watcher EvoStar 120 -- $1925 -- f/7. Includes a 10:1 Crayford precision focuser, V series dovetail, a retractable dew shield, and hard carry case. For purely visual observation, an SD Doublet would be preferred. Sep 27, 2018 · Sky-Watcher EvoStar Doublet APO Refractors . 5. 2 maximum; Weight approx. by Lawrence Carlino . 25” non-marring compression ring accessory holders Finder ring with 1/4” 20 threaded adapter retracta Jul 15, 2010 · All EvoStar ED refractor optical tubes have been light-baffled to minimize stray light, and the tube interior features a matte black finish to prevent light reflections from reaching the focal plane. 00 £2,220. Building on the foundation of the popular Evostar line of refractors, Sky-Watcher has developed the all new Evolux 82ED Doublet Apo Refractor # S11310. 8; Optical Construction: Air spaced doublet 1x ED lens (equivalent to FPL-53) & 1x Lanthanum lens ; Lens Coating: Fully multi-coated; Tube Material: Carbon FIbre & Aluminium; Focuser: 2. Specifications Product Name SVBONY SV503 102F7 ED Astronomy Telescope Type Refractor ED Glass S-FPL51 Coating SMC Aperture Mar 9, 2020 · This results in the good color correction for an ED doublet lens. 00 Starfield 102mm f7 ED Doublet (FPL-53, Lanthanum) Dec 10, 2023 · The ED Triplets have to be well-figured for them to be a color-free and as sharp as an ED, or should we really say "SD", Doublet. Views of the moon and planets are totally free of colour aberration in or out of focus. Any future SCT will be a fork mounted Aug 29, 2024 · In summary, the SV503 80ED stands out as one of the best choices for an 80mm ED doublet f/7 refractor telescope on the market. I think the SW 100ED would work and would not be too expensive. Jun 2, 2023 · A beautifully made 66mm f/6 ED refractor with R&P Focuser. The ASCENT 102 will deliver both planetary and lunar The new APM 140mm Doublet is a mold breaker with high quality. Apr 12, 2022 · Designed for the savvy astrophotographer looking for a lightweight scope that still packs a punch with key upgrades in the optics and the mechanics, Evolux is a perfect fit for a widefield grab and go setup. Starfield Gear80 80mm f/6 Triplet APO Refractor. Tube OD 176mm. I had a 3 refractor (Jaeger optics) 50 years ago, really liked it, but dont want to pass on the 4inch if it Highlights 100 mm apochromatic Refractor with Schott BK-7 and FPL-53 ED glass 900 mm focal length (f/9) Dual-speed 2″ Crayford-type focuser with 1. 7" dual-speed Rack & Pinion focuser provides smooth, precise focus adjustments. It works better with 1/2 or 1/3 inch sensors and 3μm-5μm pixel size cameras. This Astro-Tech ED refractor has:• 150mm f/8 fully multicoated FCD-100ED and Lanthanum doublet refractor optics in a collimateable cell• dual-speed 3. But sometimes it feels a little bit aperture-limited compared with a 100mm APO which can go Evolux ED Doublet Apo Refractors Sort by Sort by Show 24 36 48 View as Save $106 Free Shipping 0. 3 lbs What if any advantage is there to the doublet? I've been so happy with the AT, I would be inclined to get another. 00 Save $196 "Close (esc)" Quick shop. 00, are there better scopes for this price? Thanks Brian Oct 2, 2016 · Page 1 of 2 - Recommended 80 ED / APO - posted in Refractors : Hi All, For flexibility and as a good starting point, Ive decided to go with an 80mm ED/APO. Jan 18, 2025 · Hey guys, I recently got a new refractor. Sky-Watcher ProED refractors are the logical choice for the discriminating amateur astronomer looking for an investment in advanced instrumentation for exceptional viewing. 00 £415. Pros: As a true apochromatic refractor, a triplet can provide some of the best views and images of any telescope type. 9x Reducer/Corrector for Evolux 62mm Mar 28, 2023 · Time to compare two well-known 4” refractors, both excellent quality but at very different prices. Megrez 110mm ED. Browsing all these refractors on the market currently, many things come to mind when I want to buy one: 1. StellaMira 2" Adjustable 0. 45 focal ratio; One ED element with matched optics Aug 12, 2022 · NEW Starfield 102mm f/7 ED doublet refractor for visual astronomy & astrophotography! This traditionally designed telescope features modern, fully multicoated optics with Japanese Ohara FPL53 ED and Lanthanum glass for bright, high-contrast views with exceptionally low chromatic aberration. It is built solidly and just feels valuable. 5 doublet and I'm happy with it in visual and image use. Since I had a Stellarvue 90mm Sky-Watcher 150 mm Evostar APO Refractor Specifications. The AstroTech 72mm f/6 in black is an ED doublet refractor telescope. Sep 10, 2024 · I have been using the following relation to predict how much residual CA, or any at all, will been seen in doublet refractors, and based on my experience with a number of achromat, "regular ED" scopes as well as SD glass APO-type instruments, I find that it a very good predictor of the amount of residual color I actually see in a particular scope: The new APM 140-980 Super ED Doublet will introduce a whole new group or astronomers to APM quality. Is it as good as it looks? - posted in Refractors : https://www. Edited by Oldfracguy, 10 December 2023 - 04:30 PM. It shares optics with the Sky-Watcher Evostar 80ED and a few other similar 80mm f/7. A thoroughly though-out design and high-quality mechanical components. Find many great new & used options and get the best deals for SVBONY SV503 80 ED Refractor Telescope at the best online prices at eBay! Free shipping for many products! Refractor designs can be either doublet, triplet, or quadruplet optical systems which refers to the number of lens groupings, not necessarily the number of lenses, and will use a variety of specialty optical glass-like FPL53, Hoya, or Fluorite to achieve the high contrast and perfection in the color that refractor users are looking for. Jun 7, 2019 · Page 1 of 2 - TS Photoline 125 ED Refractor - posted in Refractors : Hi all, Just wanted to share my experience with a recent purchase of a TS Photoline 125ED from Markus at APM telescopes. Transport length (dew shield folded back) 760mm, extremely short and portable for a 6" refractor. 83 (ex. It features a newly designed lens with Low Index Flouro-Crown Glass ED element, for perfect colour correction. 25″ adaptor 8×50 RA erect-image finderscope 2″ dielectric diagonal 20 mm and 5 mm 1. 5, it can be used as an astrograph for sky photography or telephoto lens. I do not have the funds for a triplet so I am looking for an ed doublet. Designed for the discerning astronomer or astrophotographer. The 120ED might be too much for your mount. 25″ adapter 8×50 RA erect-image finderscope 2″ dielectric diagonal 20 mm and 5 mm 1. The “Ooh, Wow!” and “This has to be a fake!” comments more than compensate for the rigors of transporting and setting up a high-quality instrument. I own a little Orion/Skywatcher 80mm ed scope I really like. 25″ eyepieces Tube-ring attachment hardware n Aluminum carry case SKY-WATCHER EvoStar 1 These doublet refractors deliver dramatic coal-black skies and faithful, contrast-rich views of planetary and deep-space phenomenon that are second to none. Building on the foundation of the popular Evostar line of refractors, Sky-Watcher has developed the all new Evolux 62ED Doublet Apo Refractor # S11305. This very special SV503 telescope provides astrophotographers, visual observers or nature watchers with bright, wide field views when observing starry skies or nature watching. Edit: never mind, apparently these run $2,500 now. Torn between AT 102ED and AT 80EDT. Fully multicoated triplet optics, with an ED lens equal to FPL-53, deliver high-contrast views with very low chromatic aberration. A classic! Features air-spaced fully multicoated optics with an ED glass lens equal to FPL-51 for sharp, high-contrast views virtually free of false colour. Best telescopes, Stellarvue SVX premier apo triplet refractors, premium telescopes | two year warranty | great customer service 80mm, 102mm, 130mm, and 152mm premium telescopes | buy direct from Stellarvue and shipping is free | high-quality, individuall This Astro-Tech ED refractor has: 60mm f/6 fully multicoated FPL-53 and Lanthanum doublet refractor optics dual-speed Rack and Pinion 2” focuser w View full details Original price $419. Review Sky Jan 1, 2024 · Amazon. 5" Rack and Pinion 2” focuser with 10:1 ratio fine focusing (Same Jan 14, 2021 · Page 1 of 3 - 120-130 ED Doublet Apos? - posted in Refractors : There do not seem to be very many 120-130mm ED Doublets available on the market (especially in the US). The Planet Killer 102mm F11 ED Doublet refractor is optimised for visual observation and imaging of solar system objects. The new 140- SD Apo features a Doublet lens cell using SD glass FPL-53 to maximize performance. Fully multi-coated air-spaced doublet optics with ED glass equal to FPL-53 and Lanthanum provide incredible, high-contrast views with very low chromatic aberration. This Astro-Tech ED refractor has:• 125mm f/7. F/6. I was just wondering if anybody has used one or owns one that could give me some insight on the scope. 5 Doublet APO Refractor (OTA only) featuring 120mm Apochromatic Refractor, 900mm Focal Length, f/7. The new 140 offers true Apochromatic performance with outstanding sharpness and contrast. Fine German and Japanese glass. 5 focal ratio 2-inch dual-speed Crayford-style focuser Aluminum tube coated with glossy, black diamond metal-flake finish Included accessories: two 1. I have an ES AR127 achromatic telescope but am looking to find something that is smaller and lighter, and that also has a superior Sep 21, 2022 · A beautifully made 110mm f/6 ED doublet refractor with R&P Focuser. 45 focal ratio; One ED element with matched optics Air-spaced 102mm F7 Doublet ED lens system ; 714mm focal length; FPL53 ED glass and Lanthanum element housed in a precision adjustable CNC machined lens cell with temperature compensation interleaving. 45 focal ratio; One ED element with matched optics New ED doublet apochromatic optical design; New lightweight, compact design perfect for wide field astrophotography; New optical design featuring our proprietary Metallic High-Transmission Coatings™ (MHTC™) 62mm aperture; 400mm focal length; Fast f/6. Astro-Tech 80ED Refractor - posted in Beginners Forum (No Astrophotography): Please help me decide between the Orion EON 80 mm ED Doublet APO refractor and the Astro-Tech AT80 ED refractor. The new 152-1200 ED features a Doublet lens cell using ED glass equivalent to FPL-51 complimented by a Lanthanum coated element to maximize performance. This Astro-Tech AT102ED refractor has: • 102mm f/7 fully multicoated doublet optics using FK-61 ED glass • dual-speed 2" Rack and Pinion focuser with built in rotator • 2" and 1. Featuring Genuine ED optics, the Starwave ASCENT 80mm F7 ED Doublet refractor has an 80mm objective lens capable of both visual observation and wide-field imaging in one telescope. For visual, you do not have to buy a triplet Apo; a doublet ED will do fine. 100mm (4”) f/900 Fluorite ED Apochromatic Refractor *** SAVE OVER £200 WITH THIS FANTASTIC KIT! *** The new EVOSTAR DS-PRO Series ED Apochromatic refractors in their stunning Black-Diamond livery, house premium optics of the same quality and performance level as our now legendary Equinox series, making them superb instruments for both imaging and visual observations. £1,349. I know theres going to be some color, but it cannot be that much. 8 Refractor Telescope is a game-changer. Look for something along those lines. 5 ED doublet refractors out there – however, it is noticeably lacking when it comes to mechanical features/accessories, as you don’t get a dual-speed focuser or adjustable Oct 3, 2017 · Page 1 of 4 - best 4 inch refractors for a beginner - posted in Refractors : Hello - Im relatively new to this hobby and having a hard time managing the telescope that I have - its too heavy! I find setting up to be a challenge unless I have a helping hand. 25" brass compression ring eyepiece holders • split tube rings with deta This Astro-Tech ED refractor has: 60mm f/6 fully multicoated FPL-53 and Lanthanum doublet refractor optics dual-speed Rack and Pinion 2” focuser with 10:1 ratio fine focusing and built in Camera Angle Adjuster 2” and 1. Sky-Watcher EvoStar APO doublet refractors offer premium optical performance for the discriminating amateur astronomer. Featuring a high-quality FPL 53 ED glass doublet lens, this refractor delivers exceptional clarity and color accuracy, ensuring Dec 10, 2023 · Page 8 of 8 - ED doublet VS triplet APO - posted in Refractors : My 100ED is the F9 Skywatcher Equinox. The views are stunning! StellaMira 125mm ED Doublet f/7. I purchased my very similar (both are f/7. Jun 22, 2010 · Sky Watcher EvoStar 100 APO Doublet Refractor – Compact and Portable Optical Tube for Affordable Astrophotography and Visual Astronomy Visit the Sky Watcher Store 4. 7 -- FPL53 (not sure if this is now discontinued or The Explore Scientific AR152 Refractor is a classic air-spaced crown-and-flint doublet achromatic refractor with an aperture of 152 mm and a focal ratio of f/6. 25" Adapter, 20mm and 5mm Eyepieces, 90° Diagonal, 8x50 RA Erect-Image Finderscope, Vixen-Style Dovetail Plate & Cradle-Ring, Foam-Lined Aluminum Carrying Jan 6, 2015 · Page 1 of 2 - Which is the best 80ED Refractor for under 500? - posted in Refractors : I want to buy an 80ED Refractor OTA. SkyWatcher Evostar ED120 Doublet Refractor Telescope - OTA. The objective lens features a S-FPL51 extra-low dispersion glass ED element which virtually eliminates chromatic aberration. The advantages of the TS 102 mm f7 ED refractor: ♦ very well corrected ED optics - adjustable ♦ rigid and accurate 2. Free from chromatic aberration Sep 21, 2022 · A beautifully made 110mm f/6 ED doublet refractor with R&P Focuser. Even at high magnifications! Jan 18, 2024 · We are very proud to announce the latest addition to the RVO Horizon family, the Horizon 102mm ED Doublet OTA. Refractors are coveted for their superb contrast, high-definition and coal-black sky background that make stars appear like diamonds imbedded in black velvet. Feb 15, 2014 · Refractors are much more thermally stable, not so much need to wait for them to cool down to be ready. Sold Out For sale is arguably the MOST portable astronomical telescope on the market: the Astro-Tech AT60ED 60mm F/6 FPL-53 ED Doublet with a focal length of 360 mm and a focal ratio of f/6. 9, Megrez 90mm FD APO. £179. 45 Refractor Telescope (OTA Only) featuring Ideal for Wide Field Astrophotography, 82mm Doublet Apochromatic Refractor, One ED Element with Matched Optics, 530mm Focal Length, f/6. 5 doublet, ED or not. The Sky-Watcher 80/600 Evostar ED Doublet Refractor OTA is a refractor telescope that well designed for wide-field astronomical observation of prominent nebulae, star clusters, and galaxies from a dark-sky location. 5" focuser - ball-mounted extension tube - rack & pinion mechanism ♦ 2" receptacle with reduction to 1. 12lbs, The ASCENT 102mm F7 ED Doublet featuring a Lanthanum element has all the features you need for enjoyable visual observing and astro-imaging. Like its two larger brothers, the AR127, and the AR152, these are classic air-spaced, crown-and-flint, doublet achromatic refractors with superior-class optical figure, in a short (f/6. 25" Dual-Holder Flip-Mirror Diagonal, Mounting Rings with Vixen Dovetail, 7x50 Illuminated-Reticle Finderscope Jan 21, 2024 · This StellaMira 125mm ED Doublet telescope is from the same stable as the highly regarded StellaMira 90mm ED Triplet. 00 Add to This is achieved by using the finest extra-low dispersion (ED) glass available, FPL-53, resulting in the best color correction for an ED doublet lens. 80mm Ultra-clear Refractor Telescope Oct 2, 2024 · Synta 120mm ED doublets at F7. Sep 6, 2020 · If they had made it f/6. Buy Vixen Optics SD115S 115mm f/8 ED APO Refractor Telescope (OTA Only) featuring 115mm Refractor-Style OTA, 890mm Focal Length, f/8 Focal Ratio, FPL53 Extra-Low Dispersion Glass, Apochromatic Lens Configuration, Anti-Reflection Multi-Coated Optics, 60mm and 42mm Adapter Threads, 1. Come with focal ratio f/7. There is no real weight advantage. I wonder if I could find a similar type of scope in a significantly larger size. 95 Strehl ratio and includes a test report. This Astro-Tech ED refractor has:• 102mm f/7 fully multicoated FCD-100ED and Lanthanum doublet refractor optics • dual-speed 2. the unobtainium Long Perng 80mm f10 FPL53 apo - posted in Refractors : Steve from Ontario Telescope just posted about these two new refractors on his facebook page. 5 Stars in the May 2019 edition. 8 fully multicoated FCD-100ED and Lanthanum doublet refractor optics • dual-speed 2. I own the following telescopes: 1 Celestron starsense DX 102 (grab & go, search telescope) 2 Maksutov 127mm (planets) 3 startravel St 120mm (on the road) (DSOs) 4 TS optics 102mm f7 FPL51 ED (planets) Now my question is, the 127mm Maksutov and the TS-Optics 102mm F7 FPL51 are fairly similar to each other on Oct 19, 2019 · Page 1 of 2 - Starfield ED refractors- incl. 5" dual speed rotatable R&P focuser is made to hold heavy imaging or visual equipment. APM Doublet SD Apo 140 f/7 FPL53 Optical TubeThe new APM 140mm f/980mm Doublet is a mold breaker with high quality. 5" OTA Outer Diameter: 7. Im trying to find a reason not to buy one. The new Astro-Tech AT72EDII refractor telescope for sale has upgraded the ED element to FPL-53. The sturdy 2. The dual-speed-RAP-focuser is my highlight! My God! It glides so nice and soft now focusing is always a pleasure. A high-quality triplet or Petzval refractor is considered by some deep sky imagers to be the best telescope for deep sky astrophotography. 8x Reducer / Field Flattener for 125mm ED. 2 rack and pinion Threaded Extension: 4 piece that can unthread from between the focuser and the body allowin the use of a binoviewer if you wish. 25" Adapter, 20mm and 5mm Eyepieces, 90° Diagonal, 8x50 RA Erect-Image Finderscope, Vixen-Style Dovetail Plate & Cradle-Ring, Foam-Lined Aluminum The Astro-Tech AT102EDL takes the performance of the it smaller siblings and combines it with the mechanics of the EDT line. The triplet is less expensive. With exceptional optical quality, lightweight portability, user-friendly setup, and versatile applications, this telescope is designed to meet the needs of every astronomy enthusiast. 45 Focal Ratio, Fully Multicoated Optics, 2. Jun 7, 2015 · Page 1 of 2 - 6 inch ed doublet refractor? - posted in Refractors : I am thinking about getting a good refractor somewhere between 5 and 6 inches. 00 $500. Aug 12, 2022 · NEW Starfield 102mm f/7 ED doublet refractor for visual astronomy & astrophotography! This traditionally designed telescope features modern, fully multicoated optics with Japanese Ohara FPL53 ED and Lanthanum glass for bright, high-contrast views with exceptionally low chromatic aberration. 75 ED doublets) "Access" Chinese-made but Stellarvue-vetted telescope at the closeout sale of August, 2019. Designed for the savvy astrophotographer looking for a lightweight scope that still packs a punch with key upgrades in the optics and the mechanics, Evolux is a perfect fit for a widefield grab and go setup. com : SVBONY SV503 Telescope, 102mm F7 Extra Low Dispersion Achromatic Refractor OTA, Telescope for Adults High Powered, Micro-Reduction Rap Focuser & ED Lens, for Deep Sky & Planets Astrophotography : Electronics RVO Horizon 102 ED Doublet refractor - BBC Sky at Night Magazine Sep 23, 2022 · Buy Sky-Watcher EvoStar 100mm f/9 Doublet APO Refractor (OTA only) featuring 100mm Apochromatic Refractor, 900mm Focal Length, f/9 Focal Ratio, Proprietary MHC Multi-Coated Optics, Schott BK7 and FPL-53 ED Glass, 2" Crayford Focuser with 1. I don't have an f/5. 120 mm apochromatic Refractor with Schott BK-7 and FPL-53 ED glass 900 mm focal length (f/7. Note that the Orion is an APO. Since then, I have used it extensively and've enjoyed every minute. Oct 29, 2023 · New old scope: Vixen ED102S - posted in Refractors : New old scope day! After I posted on Stargazers Lounge that I was on the lookout for a Vixen doublet of 4 or more, a member of the forum contacted me and we agreed on the sale of this beautiful ED102S + GPDX combo: Weve yet to sort out together a couple of details to make the mount fully functional, but the OTA is wonderful in every respect. The Astro-Tech 72mm is an excellent choice for wide-field astrophotography and observational astronomy but proves its versatility by also making a premium spotting scope or finder. Featuring a three-element optical design, the objective is fully multi-coated and made of FPL-53 apochromatic glass, providing exceptional color correction. Jan 14, 2022 · The StellaMira 90mm f/6 ED Triplet refractor is designed for the discerning astrophotographer or astronomer, so it has a minimum 0. Featuring an APM designed 140mm F7 doublet objective using a combination of FPL-53 super low dispersion and lanthanum coated glasses. May 13, 2019 · Page 1 of 4 - High-quality 90mm ED/Apo doublet options - posted in Refractors : I guess all APO refractor lovers have experienced (or may at some time experience) this dilemma at some point: An 80mm APO is perfect for grab-and-go observing at a moments notice: it is light, easy to mount and cools fast. 9). For the visual astronomer looking to try their hand at astrophotography, the Sky-Watcher EvoStar ED refractor series provides the perfect pathway New ED doublet apochromatic optical design; New lightweight, compact design perfect for wide field astrophotography; New optical design featuring our proprietary Metallic High-Transmission Coatings™ (MHTC™) 82mm aperture; 530mm focal length; Fast f/6. 9, 620mm doublet air Feb 6, 2024 · The Orion ED80 has been around for decades and was one of the first FPL-53 ED doublet refractors to be offered at a reasonable price. . Help mounting the scope: While not The Astro-Tech AT150EDL takes the performance of the it smaller siblings and combines it with the mechanics of the EDT line. Are you planning to do visual camping under the night sky? Do you wish to scan the cosmos and capture perfect images of large nebulae and galaxies? The Apertura 60mm FPL 53 Doublet APO Refractor is a precision-crafted telescope designed for discerning astronomers. It was a very nice scope but optically it is a very good achromat rather than an ED/apo. 25″ eyepieces Tube-ring attachment hardware Aluminum carry case Description SKY-WATCHER EvoStar 12 The new APM 152-1200 Doublet is a mold breaker in the 6" Refractor category. The new APM 152-1200 Doublet is a mould breaker in the 6” Refractor category. 25" brass compression ring eyepiece holders Single ring with a foot that has a 1/4" 20 thread hole for easy attachment to a dovetail. Sep 10, 2018 · APM 140mm DOUBLET APO REFRACTOR. The Svbony SV503 ED 102/714. Why doublets of f7? Seems to me that it could be a very nice combination of performance, price and in a compact package. One of the greatest thrills in amateur astronomy is providing a first telescopic look at the moon or Saturn at a public venue. 59 Doublet Refractor Telescope Optical Tube Assembly + Rings, with Custom Aluminum Carrying Case M110ED-W-P on sale and available from our online store. Is there 1 or 2 generally accepted best models to look for? Or will any ED or APO be OK? Is Achro ED OK or is it really worth going to APO which u guys would be ED also? Thanks, Brett Sent from my iPhone using Tapatalk Specifications: StellaMira 125mm f/7. SV503 Telescope ED 80mm F7 Doublet Refractor OTA for Exceptional Viewing and Astrophotography. There are several in the classifieds from different makers, Celestron, Orion, Astrotech, Explore Scientific, etc. 25'' adapter. This is in superb condition having been used on only a few occasions. Whether this Orion at $1300 for a 110mm F/6 FPL-51 doublet is the right refractor for you, I can't say. Jun 3, 2009 · William Optics Megrez 90 APO Fluorite Doublet Refractor Telescope Package w/ 2" CF Dielectric Diagonal, SLV 90 OD Mounting Rings, and Case M90FD-W-P on sale and available from our online store. We have painstakingly engineered an optical and tube solution to bring you APM quality at an unheard price. What are the best ones in this price range Aug 7, 2022 · Page 1 of 4 - Why no 115 - 120mm f7 ED doublets? - posted in Refractors : Theres even a small number of choices up to 130mm. Combined with the moderate focal ratio, this results in images with visibly less chromatic aberration than you find in refractors with a similar aperture but faster focal ratio. The images are superb and pin point sharp with no CA. 3 4. 8" dewshield retracted We Apr 12, 2022 · Designed for the savvy astrophotographer looking for a lightweight scope that still packs a punch with key upgrades in the optics and the mechanics, Evolux is a perfect fit for a widefield grab and go setup. The new 152-1200ED features a Doublet lens cell using ED glass equivalent to FPL-51 complimented by a Lanthanu Aug 6, 2024 · Buy Sky-Watcher Evolux 82 ED APO 82mm f/6. APM have painstakingly engineered an optical and tube solution to bring you APM quality at an unheard of price. 5 -- FPL53 William Optics ZenithStar 126 -- $2198 -- f/7. 5" Dual Speed Rack and Pinion focuser. Fully multi coated (STM Coatings) Resolving Power (Dawes’ Limit) 1. 25″ eyepieces Tube-ring attachment hardware n Aluminum carry case SW EvoStar 100ED APO Re Refractor designs can be either doublet, triplet, or quadruplet optical systems which refers to the number of lens groupings, not necessarily the number of lenses, and will use a variety of specialty optical glass-like FPL53, Hoya, or Fluorite to achieve the high contrast and perfection in the color that refractor users are looking for. I've attached an image of NCG 7789 with the 120mm ED; I also have a Star Watcher 100mm ED Pro f/9 doublet and the images are absolutely stunning. My 120 Equinox is a keeper, my first apo, and not much heavier than the 100ED. Jul 31, 2019 · Buy the biggest refractor you can afford that will work on your mount. It would be mostly for visual with Nov 11, 2023 · A small, lightweight 72mm ED refractor capable of both visual and imaging. 5 ED doublet, which includes a diagonal and finder, on sale now at $1775, $150 off. Sky Watcher Esprit 120mm ED Triplet Apo Refractor OTA . The obj Serious Amateurs will Love the SW Evostar 120mm ED-APO Refractor. They are coveted for their superb contrast, high-definition resolution and coal-black sky background that make stars appear like diamonds embedded in black velvet. They have only just arrived so we have plenty in stock 🙂 Edit: New photos added 7th Dec. Our first star test on the prototype was simply textbook. Oct 18, 2024 · Page 1 of 2 - Refractor choices - posted in Refractors : Have been out of astronomy for 50 years, and want to purchase a 3-4 inch refractor for general purpose viewing, and possibly very basic photography in the future--this isnt a primary interest. For those who want to enjoy outdoor activities in the garden. Sky-Watcher high-performance ED-APO refractors offer premium optical performance for the discriminating amateur astronomer. 5 or f/7 then fine, but I just see no point in an f/5. Weight 11. Have there been choices in the past? Just speculating on a cloudy, humid, and very warm evening. 1" Weight with Accessories A comprehensive review of the Altair 150EDF apochromatic doublet refractor, ideal for astronomy enthusiasts and astrophotographers. The 80mm f10 Aug 14, 2022 · Page 1 of 3 - Orion 80mm ED APO Refractor v. The Pronto was discontinued shortly after the Orion ED-80 was introduced. 5) focal length design. 5" Rack & Pinion StellaMira 66mm ED Doublet f/6 Refractor Telescope (2) £359. 8 ED Doublet Refractor Telescope. Even at high magnifications! Sky-Watcher’s Evostar apochromatic doublet refractors are the perfect blend of superior extra-low dispersion glass and affordability. A superb telescope! This long focal-ratio ED apochromatic telescope features an air-spaced doublet objective that combines an ED glass lens equal to FPL-53 with another from Lanthanum glass. My opinion, and mine I suppose only, is they have decided APer's read "FAST" and almost blindly purchase because of the fast claim. I am looking to keep the weight down (I hope to use it on use an AZ gti mount) and would like to spend less than £1000 including mount and tripod ( based in the UK). teleskop5--Focuser. Typically around $1,500 new, less on sale or used. 5" Rack and Pinion 2” focuser with 10:1 ratio fine focusing and buil Feb 29, 2020 · The StellaMira 80mm f10 ED is a classic design that benefits significantly from modern glass and materials. We have developed and manufactured this scope to meet all the needs of the modern day imager. Every lens in the EvoStar 100ED APO Refractor is individually inspected for purity and absence of striae and other image-degrading imperfections. Type: Refractor; Aperture: 125mm; Focal Length: 975mm; Focal Ratio: f/7. Megrez 90mm FD APO. The new 140mm - 980mm ED has doublet optics with SD FPL 53 glass. ED optics offer improved colour correction, which produces a higher contrast image, whilst allowing a short, portable telescope tube. All can be used on lighter, but not flimsy, mounts than my triplets. Doublet vs Triplet vs Quadruplet vs Quintuplet 2. My 3 options are: Altair starwave 80ed f7 SW evostar 80ed Jul 27, 2020 · Two Questions- Stellarvue 80mm SV80 Raptor Carbon Fiber ED Doublet - posted in Refractors : I found a Stellarvue 80mm SV80 Raptor Carbon Fiber ED Doublet for sale and I have two questions. 00 Dec 29, 2009 · In March 1993 TeleVue introduced the 70mm "Pronto" ED doublet refractor telescope. An evolution of the well respected "Classic" Starwave 102 F11 Achromat, now with ED optics and better mechanics! The result is improved colour correction and contrast. 5 Focal Ratio, Proprietary MHC Multi-Coated Optics, Schott BK7 and FPL-53 ED Glass, 2" Crayford Focuser with 1. Cheers, Ron 5 days ago · Page 1 of 2 - Astronomics announces 6" ED Refractor For Under $3,000 - posted in Refractors : Holy Flying Bat Plat!!! High quality optics: FCD-100 and Lanthanum doublet with a . Same suprior quality glass as the rest of the range but with a larger 102mm aperture and impressive 714mm focal length. Compared to a doublet refractor, the additional lens of this 90 mm refractor provides even sharper, higher-contrast images and even better color correction both visually and photographically. The Astro-Tech AT102ED is a fantastic value and incredible performer. 2" Rack and Pinion focuser with 10:1 ratio fi Highlights 120 mm apochromatic Refractor with Schott BK-7 and FPL-53 ED glass 900 mm focal length (f/7. , And, there is something about looking through a refractor that is just pleasing to the eye. The Evostar refractor lens assembly utilizes a proprietary combination of matched lenses, delivering tack-sharp stars with charcoal-black, contrast-rich skies. Jan 26, 2023 · TS-Optics Doublet SD-Apo 125 mm f/7,8 or TecnoskyAP 125/975 OWL ED OTA - posted in Refractors : Good morning, how good are the TS-Optics Doublet SD-Apo 125 mm f/7,8 or TecnoskyAP 125/975 OWL ED OTA for astrophotography has anybody experiences with one of these scopes and ap? This Astro-Tech AT70ED refractor has: 70mm f/6 fully multicoated doublet optics using FK-61 ED glass dual-speed 2" Rack and Pinion focuser 2" and 1. The Sky-Watcher Evostar 120ED uses a crown glass element, an ED glass element, and state-of-the-art optical multicoatings in its apochromatic ED doublet optics. 5) Dual-speed 2″ Crayford-type focuser with 1. In terms of quality, the whole telescope comes across at a high level. 4" Dual-Speed Rack & Pinion Focuser, Vixen-Style Dovetail Mount, Foam-Lined Aluminum Case, Adjustable Dew Shield. 5 come to mind. The prices below reflect specifying each scope to the same standard. 95 strehl guarantee Beefy focuser: 3. The major upgrades over the AT66ED and AT72ED come in the type of ED element and the type of focuser. Length: 11. Doublet apochromatic optical design Two-element, air-spaced optical assembly minimizes false color 120mm aperture, 900mm focal length, f/7. The new 140mm SD-Apo features a Doublet lens cell using SD glass FPL-53 to maximize performance. OpticsPlanet, Inc is an Authorized US Distributor for William Optics Telescopes. New ED doublet apochromatic optical design; New lightweight, compact design perfect for wide field astrophotography; New optical design featuring our proprietary Metallic High-Transmission Coatings™ (MHTC™) 62mm aperture; 400mm focal length; Fast f/6. May 16, 2023 · Page 1 of 3 - Best Quality Apo Refractor for the price - posted in Refractors : Hello all, Recently Ive been looking for a new refractor to replace the old ed80 Ive had for a while now. All ED glass elements are The latest addition to the Air-Spaced Doublet AR Series is the very portable, grab-and-go 102 mm Refractor. 5 triplet, and no intentions of ever buying one. Nov 10, 2021 · For FLO, we have chosen the Starfield 102 f/7 ED version with FPL53 ED glass (not the cheaper model with FPL51) and Lanthanum. This exciting new refractor incorporates the RVO colours in a beautiful glossy finish complimenting the contemporary matt white finish of the OTA itself. 25-inch eyepieces (5mm and 25mm), 2-inch Crayford-style focuser, tube rings, V-style dovetail, 8x50 right If you select SkyWatcher Free Shipping when checking out, this product will ship directly from the manufacturer and will not come from our stock. html I mean, FPL53 and Lanthanum, 150mm aperture, quite sufficient focuser, at an excellent pricepoint. 80mm Ultra-clear Refractor Telescope SV503 Telescope ED 80mm F7 Doublet Refractor OTA for Exceptional Viewing and Astrophotography. New ED doublet apochromatic optical design New lightweight, compact design perfect for wide field astrophotography New optical design featuring our proprietary Metallic High- Buy Sky-Watcher EvoStar 120mm f/7. Sale price $500. This new, innovative lens system leads to an optical performance that is far above the usual in this price category To guarantee the typical high quality of APM telescopes, every optic goes through an interferometric test at 532nm (green). Refractor designs can be either doublet, triplet, or quadruplet optical systems which refers to the number of lens groupings, not necessarily the number of lenses, and will use a variety of specialty optical glass-like FPL53, Hoya, or Fluorite to achieve the high contrast and perfection in the color that refractor users are looking for. 8 Refractor Telescope For the discerning astronomer and dedicated astrophotographer, the StellaMira 125mm ED Doublet f/7. William Optics Megrez 110 ED APO f/5. Jun 5, 2019 · Page 1 of 2 - Astro-Tech 72EDII? - posted in Refractors : I am looking for a refractor to begin AP and Ive been considering the AT72EDII, it seems like a very good scope for the price. Optical Design: ED Doublet; Focal Length: 1200 mm; Focal Ratio: f/8; Lens Elements: 2; Lens Glass: Matched lens assembly with one ED element; Focuser: 2" Dual-Speed Crayford with M56x1 Threads - Diagonal sold separately; OTA Length: 50. 3 out of 5 stars 123 ratings Starfield 102mm f/7 ED Doublet Refractor (14) £899. The lens adopts optical processing and low polishing technology. These doublet Oct 28, 2014 · I own an Orion 120mm ED (EON) f/7. Even at high magnifications! The Astro-Tech AT125EDL takes the performance of the it smaller siblings and combines it with the mechanics of the EDT line. Theyre all around 350 used. 5 Air-Spaced Doublet Refractor Telescope SVBONY SV503 80 ED Jan 30, 2017 · I owned a Pronto for several years. 80mm Ultra-clear Refractor Telescope 150 mm apochromatic refractor with matched lens assembly with one EDelement 1200 mm focal length (f/8) Dual-speed 3. 4 days ago · Page 1 of 2 - 100mm ED for visual - posted in Refractors : Hello, I introduce myself. xyiadccd bvirrz lvlafo lskrbf yzn wrfd glkrvzu qfada svgc jgyaeg