5: 780: Triplet: 3. We can't find products matching the selection. Case Dimensions. 00. The price difference is about 2k (Euros). The three-element optical design features a 91mm aperture using FPL-53 glass that delivers high contrast colour-free images and an impressive 0. New Fluorostar 132 (Innovative Bahtinov Mask Cover (Patented) included) Innovative Bahtinov Mask Cover (Patented) & Soft carry bag included!!Simply put: a joy to use. 3" Rack & Pinion Focuser - Specify. Jay En Em. The focuser has smooth, precise reduction, a temperature display and a large adjustment range. Customer. M63 - Sunflower Galaxy, imaged with the William Optics FLT 156 - posted in Experienced Deep Sky Imaging: For this project, a very demanding project, my first time posting here, I got my hands on the biggest refractor William Optics produce, Fluorostar 156. Download. 5 APO Triplet Refractor - Gold. Sale! Fluorostar 91 APO ₹ 203,103. The William Optics Zenithstar 61 is one of William Optics’ most compact apochromatic refractors. Check items to add to the cart or select all. The three-element optical design features a 91mm aperture using FPL-53 glass. Latest model with 3. William Optics Fluorostar 91 APO Triplet Refractor - Red. William Optics Gran Turismo 71 APO. 00. 2y. Produced entirely with the best Ohara optical glasses. Quick view Compare Choose Options. The three-element optical design features a 91mm aperture using FPL-53 glass. 25 inch 45 Deg. This William Optics 91 mm f/5. 25 inch RotoLock) 2019 All New Slide-base 50mm UniGuide Scope (with a Unique 1. $656. → Equipment Discussions. 95 FREE! Add to Cart. William Optics Fluorostar 91; ZWO EAF; ZWO EAF to FLT91 key information. 95+. Note: Adjustment Distance for DSLR and Mirrorless Cameras (and other cameras with the same backspacing) is 5. Fluorostar 91 APO quantity. Review. This telescope is a beast in size and weight. New for 2021 - William Optics Fluorostar / FLT 91. 5 ratio refactors. Abuse reports are anonymous and the content's owner will not be. 00. Hot. 00. This telescope was released in the UK circa September 2021 so is pr. De STM-coatings en uitstekende kwaliteit zorgen. However, I always use it with the 0. +. 00. FOA-60 Ortho Apochromatic Refractor. 00. Related Products. More Info . The William Optics TMB 110mm triplet lens refractor is a very well made telescope. 00. The reducers always look undersized in comparison. 00. William Optics Fluorostar 91 FLT91 f/5. -6. 5" RotoLock focuser to carry heavy imaging train which allows you to exploit the potential of this fluorite triplet even further. William Optics Fluorostar FLT 91 Apochromatic Refractor - Checked & Tuned (3) £1,989. $656. 5 WO 110mm triplet OTA, a first class aluminum case for the above scope, a set of white 115mm tube rings (power coated white, these are MUCH nicer than the Parallax 1 William Optics FLT-110 Aperture - 110mm Focal Length - 715mm Focal Ratio – f6. 13. The three-element optical design features a 91mm aperture using FPL-53 glass. 9 APO Red Triplet Refractor w/ 3. Attaches directly to telescopes with an M63 thread on the end of the focuser. Having two flatteners/focal reducers is like having two telescopes with different focal lengths. 9 Imaging APO Triplet Refractor FPL-53 ProAstroz. 9 native or f/4. Contiguous US Customers: All items we sell ship for free within the Contiguous US. Lens Type Apochromatic Triplet Prime Lens Focal Length 540mm Diameter 91mm Aperture f/5. Zenithstar 81 APO Brand New 2019 Super ZenithStar 81 F6. 00 ₹ 189,731. Details and Features. 9. Gran Turismo Series – Triplet Refractors 6. $691. The three-element optical design features a 91mm aperture using FPL-53 glass that delivers high contrast colour-free images and an impressive 0. Add to Cart. Agena Website Offer. 8x. New for 2021 - William Optics Fluorostar / FLT 91. Quick view Choose Options. 9 APO (Free Soft Carrying Bag) HK$5,980. The reducers always look. 5 with an APO X0. Fluorostar 91 RotoLock The William Optics FLT 91 has a focal length of 540mm, which brings in smaller DSO’s for a closer look, yet is wide enough to capture some of the most popular large nebulae in the sky. 2 Reviews . SWAN 2"STC Astro Duo-Narrowband Filter. The STM-coatings and superb quality provide excellent. 8 Triplet Telescope OTA a Feather Touch 3. The WO. Add to Cart. Add to Cart. Holidays. The William Optics Flat6AIII is an apochromatic triplet 0. William Optics Fluorostar 91 Triplet APO Refractor Technical Specifications. William Optics D-ROTO-A2-SCT2F(SCT2 inch RotoLock adapter (2 inch -SCT2 inch)) $99. f/5. Review. Gran Turismo 81(Innovative Bahtinov Mask Cover (Patented) included!!) 2019 All New Gran Turismo 81Innovative Bahtinov Mask Cover (Patented) & New Dovetail Plate included!The new 2019 GT81 three-element super APO Anniversary offer supeWilliam Optics Fluorostar FLT 91 APO Triplet £1,989. 25" WA 1. 9 APO (NEW) HK$4,990. The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. New for 2021 - William Optics Fluorostar / FLT 91. (WxHxD) 99cm x 34cm x 30cm. 9 Triplet Apo Refractor with Carry Case - Gold # T-FLT-91GD-RP33 Lens Type Apochromatic Triplet Prime Lens Focal Length 540mm Diameter 91mm Aperture f/5. When you report abuse on some content on AstroBin, the content will be hidden until a moderator reviews it. William Optics FLT 91 with 2. The lens cell is a TMB design. The carbon fiber version of the. 9 and a focal length of 540mm. 1. 5" ( cm) Watts: 7. William Optics Corp. From Our Price: $3,298. The FLT has FPL53 glass and the years of great reputation of William Optics build quality. Designed with nearly Full frame chip-size DSLR cameras in mind. Fluostar series (FLT) represents William Optics' top of the line apochromatic designed for astrophotography. FLAT6AIII special edition for Fluorostar 91 . Our Price: $1,998. $293. Quick View. Gran Turismo 71 APO Refractor (A-F71GTII-RD) $933. Out of stock. In Stock. * Your Name. Back Focus (WO Fluorostar 91 with FLAT6AIII Flattener and Fuji XT3) - posted in Beginning Deep Sky Imaging: Hi, I am somewhat new to astrophotography (this is my 1st post here) and struggling to understand how to achieve the right back focus, to calculate for the things in my imaging train that need to be accounted for. Wish List Compare. SUPER-HIGH QUALITY WILLIAM OPTICS REFRACTING TELESCOPES!! FLUOROSTAR 156 f/7. 9 Petzval Refracting Telescope. Telescope: William Optics FLT 120 (780mm at F/6. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. Our Price: $293. You're reviewing: Fluorostar 120. I have seen online that this may not be the case for all William Optics refractors, or other telescopes, so definitely do some research for your setup; The latest model is powered. Vendor William Optics Regular price $ 1,998. Reviews 1. Price jumps out as the obvious difference $3210 vs $1999 though availability and color might be a consideration. User Reviews. x0. The STM-coatings and superb quality provide excellent optical performance and unmatched value. AED 7,600. Edited by e34stx, 13 April 2021 - 04:46 AM. RedCat 71 APO 350mm f/4. The William Optics FluoroStar 156 imaging/visual APO Series FLT 156 mm (6. Fluorostar series (FLT) represents William Optics’ top of the line apochromatic designed for astrophotography. Related Products. 3" R&P Focuser. The APO triplet optics of the Flat6AIII are made with Ohara glass and fully multi-coated to provide good. I have the Redcat 51 and loved the quality. Complete and in great condition. William Optics Fluorostar FLT91 f/5. Features a top-quality triplet air-spaced apochromatic objective. Open box. You're reviewing: 【Refurbished】Fluorostar 91 APO-Space Grey. $2,299. Wish List Compare. 5mm spacer, but got elongated stars in the four. Jump to content. $378. Add to Cart. With the proper T-Mount and T-ring, users will have a functional imaging setup!William Optics Fluorostar 91 APO天文望遠鏡(紅色)《預定款 無現貨》 全店，全單滿3000元免運 指定分類，清潔保養服務 望遠鏡滿2萬元享保固內一年兩次，未滿則保固內一年一次William Optics Fluorostar 91 with 3. High-quality Soft Case. I can only see that the WO has a better focuser (not too much) and a thermometer, other than. Out of stock. . 00Adjust Distance for DSLR and Mirrorless Camera is 5. Total integration time of 28 hours and 32 minutes. 99 New---- Used; Celestron NexStar Evolution SCT Reflector Telescope. Identical to the standard FLAT6AIII optically but with an additional adapter to fit the FLT 91 telescope. $299. New for 2021 - William Optics Fluorostar / FLT 91 An Apochromatic triplet refractor for visual astronomers and astrophotographers who want very high performance from a midsize telescope. Add to Cart. Our Price: $229. $558. The STM-coatings and superb quality provide excellent optical performance and unmatched value. Quick View. $85. Guide. $865. 5 and a focal length of 780mm. William Optics. William Optics Fluorostar 132 - Red. The 3. 【Refurbished】【Like NEW】 CAT71-White Limited edition APO 350mm f/4. 00 Sale. No internal reflections noted. Add to Cart. Add to Cart. Out of stock. Add to cart. William Optics Zenithstar 61-II f/5. 6lbs) including tube rings and dovetail plate. William Optics RedCat 51. The three-element optical design features a 91mm aperture using FPL-53 glass. As low as $93. Categories Categories Brands Brands. 00. Combined with the Flat7A flattener by William Optics, it produces a fast aperture ratio of f/5. My ED120 focuser matches the performance of my. New William Optics Flattener. choose, but William shipped me (direct from Taiwan) the f6. William Optics FLAT6AIII (FLT-91専用品）【お取り寄せ】. Confusing, I know, but that is marketing for you. Add to Cart. 9 APO Refractor in Red with 32mm UniGuide and P-FLAT6AIII. Add your. The FRA is also a natural f/5. New William Optics Flattener 68III This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7. . 4mm. Wish List Compare. 95+ Strehl Ratio. This scope is extremely sharp and has a great color correction. My first light with the FLT91! Processing is still a challenge, but here is my FIRST narrowband image nonetheless! (I need more O3 and S2 for sure) Stay tune. 00. STAR 91 Ml 21 SPECIFICATION M92 M92 M83 Focal Length : 540mm Diameter : 91 mm Aperture : f/ 5. 00 Sale price $ 1,998. 9 FLT Apochromatic Refractor is just the excellent midsized visual and photographic instrument sought by discerning astronomers. William Optics Flat6AIII 0. Here are some recent threads on this telescope:The William Optics FluoroStar 120 Refractor is an air-spaced triplet APO. More Info . I'm selling my William Optics Fluorostar 91 (FLT91) with a William Optics Uniguide 32mm guide scope. I found a great. Disassemble the telescope: If you have to store the telescope for a long time, it is best to disassemble it. 9 Focal Ratio. Wish ListCompare. 34 degrees X 1. Customer reviews. Those look so nice. On the William Optics website the adjustment is 5. Out of stock. The three. 3 Voltage: 12v Amperage: . This is a top of line material used in only the finest refractor telescopes. A patented light weight Bahtinov mask is. T-FLT-91-GD-Refurbished. As with other new WO's the Bahtinov mask is built into the lens cap. Check items to add to the cart or select all. Write a Review. 00. . 1) William Optics Fluorostar + CEM70G. Specs: Focal Length 780 mm, aperture 120 mm, f 6. New for 2021 - William Optics Fluorostar / FLT 91. Dielectric Coating Diagonals; Erecting Prisms; Accessories. Quick View. ZenithStar 73 III f/5. 00. Fantastic review and summary of William Optic scopes. I was just about to buy myself the FL91 , and this discussion here gave me a pause. Im going to be using the telescope over the next 2 months for imaging, Ill produce a full review and a video review as Ive done for the FLT-132 that I own. 5″ Diameter Dual Speed Telescope Focuser Kit, 4. $229. I assembled the rig with a Canon DSLR attached to the flattener via a 48mm t-ring. Used for testing / review purposes. For the William Optics . William Optics Fluorostar FLT 91 Apochromatic Refractor - Checked & Tuned (3) £1,989. Add to Cart. $656. 14″ (156 mm) – Telescope Focal Ratio: f/7. Add to Cart. Abuse reports are anonymous and the content's owner will not be notified. Next session will see me adding a total of 2mm. More Information; Specification: Reviews. Ex demo - used for product reviews / testing. Coupled with my ZWO ASI1600 MM Pro, the field of view is 2. William Optics offers another model of apochromatic triplet refractor, the Fluorostar. Technical Specifications. The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. Available from Ontario Telescope and Accessories in Canada. Add to Cart. 8x reducer / flattener. In a relatively short time, William Optics has established itself and its products as one of the world leaders in short-tube, highly-portable refractors, and has achieved quality recognition for many accessories such as the well celebrated WO Diagonals. William Optics RedCat / SpaceCat Single Mounting Ring - Black. While there is a lot more information to come. 3" Rack & Pinion Focuser Astronomers desirous of superb visual and photographic intermediate. It is ideal for astrophotography. 8x Reducer & Field Flattener - M63 to 2". SKU. William Optics. Buy another brand of. I have therefore been looking at shorter wider. Total integration time of 28 hours and 32 minutes. Their website is just plain wrong and has wrong information regarding the 68III and the FLT91. After lots of research into refractors I have narrowed down to Willam Optics and mostly leaning towards getting a Zenithstar 81 APO. 9. Page 2 of 3 - William Optics FLT 120 - Fluoro Star 120mm f/6. William Optics Fluorostar 91 APO. Add to Cart. observing and imaging tips, product announcements and reviews! Follow us on Facebook and Instagram!* ← Previous Next →. Page 20 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : Your saying your image train is OTA -> Flat68iii -> EFW -> 2600MM?. Add to Cart. Hot. $1,998. 99. Wish. Add to Cart. Astrofotografie in optima forma. 00. The quality, as well as the price, was amazing, and before long, William Optics had positioned themselves as one of the world leaders in fast, highly portable. Fluorostar Refractors alt tag Figure 5 – A Fluorostar 132mm refractor telescopes in red trim. x0. William Optics. 4 Reviews. $79. 575kg (OTA withThe William Optics line of refractors offers high quality optics and fast focal ratios in a lightweight, portable telescope. 9 Focuser Dual Speed 3. 91mm Aperture. (Pre Order)New Fluorostar 156 (Innovative Bahtinov Mask Cover (Patented) included) As low as $7,398. Takahashi TSA. Astronomy > Telescopes > William Optics > FluoroStar > William Optics Apochromatic refractor AP 91/540 Red OTA Product no. Wish List Compare. 8 Field Flattener for Fluorostar 91. Cameras: ZWO ASI 2600mm Pro and ZWO ASI 120mm-mini. Camera Angle Rotator for 2. Special Edition FLAT6AIII Adjustable Reducer / Flattener for William Optics Fluorostar FLT 91 Telescopes. New for 2023 - William Optics now includes a free M-CAA63 rotator with this telescope (a $109 value)! Gran Turismo 71 APO Refractor Telescope. See shipping choices & costs. Fluorostar series; Gran Turismo series New; ZenithStar series; Guider series New; Finder series; Binoculars; Eye Pieces. Quick View. Submit Review. Astronomers desirous of superb visual and photographic intermediate sized refractor performance will much appreciate the William Optics 91 mm f/5. The 3. $229. Mount: EQ6R-Pro. FLAT6AIII special edition for Fluorostar 91 . Then we move onto the new rotatable designed 2. View full description Download Manual 1 year warranty A soft carry case comes standard with the William Optics Fluorostar 91. New. Case Weight. Page 21 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : I just discovered this thread, which addresses a few questions Ive had regarding FLT91/68III backfocus. ♦ 91 mm aperture, 540 mm focal length. 1 65kg (OTA only) 1 2. William Optics Fluorostar FLT 91 Apochromatic Refractor - Checked & Tuned (3) £1,989. 1. We plan to keep producing fine instruments both for the entry-level and. $275. 5. Because the Fluorostar 110 is wellSpecial Edition FLAT6AIII Adjustable Reducer / Flattener for William Optics Fluorostar FLT 91 Telescopes. Coupled with my ZWO ASI1600 MM Pro, the field of view is 2. . Cheers -. I started with the initial distance recommendations from the product website and I found that I had. Add to Cart. . The FPL53 Triplet APO Optics deliver superb contrast and excellent colour correction. Once I got it dialed in I have an almost perfect flat field first try. The telescope must have at least 4. This was my first time imaging or processing SH2-91, it was a fun project and a good learning opportunity. FLT-98; 3. Looking to put a Moonlight Nitecrawler on. This very elegant 2" reducer/field flattener has been designed to optimize the flat-f. Wish List Compare. William Optics Fluorostar Series /. William Optics FLT Fluorostar 120 f/6. 9 and reduces to f/4. New William Optics Flattener 68III . New Hot. William Optics WIFD Redcat 61 F/4. 00 £299. 9 Triplet APO. 9, 132mm at f/7, and 156mm at f/7. AstroMichael. → Refractors. 0 TELESCOPE. 5 Triplet APO Telescope with 3. 9 Doublet APO. Related Products. It's f/7. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. Case Weight. 00. Wish List Compare. Add to Cart. William Optics Fluorostar 91 / FLT91 / BACK FOCUS ISSUE - Williams Optics FLT91; BACK FOCUS ISSUE - Williams Optics FLT91. 9 Focal Ratio. Agree with Pete, and therein lies the issue with William Optics. 72. 1 Review Add Your Review . Select Options. Hope this is the correct place to ask the following question… The scope in question is located in Finland. 3" R&P Focuser Color Red Space grey Lens MaterialHello everyone!In this video I will be going over the William Optics FLT91. William Optics. Using three elements made of high-end fully coated glass like FPL-53 virtually removes chromatic aberration and produces images that are sharp and full of contrast. 2 lbs Glass: FPL-53 Recommended Flattener/Reducer: None (Petzval Lens Design) The William Optics. P08 Crafting the Earth's Finest Astronomical Instruments o o o Usage The Fluorostar 110 is designed to work with both 1 1/4 inch and 2 inch diameter eyepieces in various focal lengths, for both daytime and nighttime viewing. Page 9 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : I was close pushing an ORDER button on this scope but now I started to hesitate. Add to Cart. 75. RedCat Series Petzval Refractors 4. net. Just not sure of the quicker f6.