I have the Redcat 51 and loved the quality. New member here. 9. With a quadruplet Petzval optical design. Add to Cart. 3" R&P Focuser. Add to Cart. 00. $691. Fluorostar 151 Triplet APO (Discontinued) $8,898. $656. Language: English. With a 540mm focal length and f/5. Case Dimensions. $691. Our #: T-WO-A-F132TGIV-RP37R. Be the first to Write a Review for this item! FAQ Please fill in the form below to ask a question. New Sale. The 68III is at least twice as big and twice as heavy as the 6AIII. The three-element optical design features a 91mm aperture using FPL-53 glass that delivers high contrast colour-free images and an impressive 0. WO Flat 6AIII will provide good illumination and flat field across 97% of full frame sized sensors. 00. 72 Reducer Flattener 8 . Decrease Quantity of William Optics Fluorostar 91 APO - Red − Increase Quantity of William Optics Fluorostar 91 APO - Red + Adding to cart… The item has been added. As low as $171. View full description Download Manual 1 year warranty A soft carry case comes standard with the William Optics Fluorostar 91. Write Your Own Review. New. related to the William Optics FLT120 telescope in one place. Comment. Mount: Sky watcher EQ6R-pro. All New WO x0. A quick review of the iStar Phantom FCL 140-6. This scope is amazing, and huge shout out to AgenaAstro for getting me this in su. New. The flattener can be securely screwed on to the drawtube. A patented light weight Bahtinov mask is included to provide assistance in focusing, or you can remove it. Page 1 of 2 - Anyone using TS-76EDPH? - posted in DSLR, Mirrorless & General-Purpose Digital Camera DSO Imaging: I am interesting to buy an TS 76EDPH refractor to couple with my a7s. 2019 All New Adjustable Flat6AIII (T-mount not included) 2019 All New Adjustable Flat6AIll (T-mount not included) PRODUCT DESCRIPTION: Field flattener / X0. 3" R&P Focuser Image Circle : >43mm Retracted Length : 441 mm Extended Length : 51 Omm Dew Shield Circumference : 383mm Dew Shield Diameter . 00 Select options. The three. $293. As low as $933. 9 Triplet Apo Refractor with Carry Case - Space Gray # A-F132TGIV-RP37R. Ken Bates. I ordered a William Optics FLT 91 Fluorostar 91mm f/5. Takahashi TSA. This telescope was released in the UK circa September 2021 so is pr. 5 Triplet Apo Refractor with Carry Case - Available in 3 Colors. New William Optics Flattener 68III William Optics Facebook page just says it is coming soon and provided a trailer (haha) with a nice look at it. 5" R&P Focuser. Jump to content. Add to Cart. As low as $1,568. hopefully in a couple hours i can try it out Do the test for us, put the mask, and. This William Optics 91 mm f/5. New Fluorostar 156 (Innovative Bahtinov Mask Cover (Patented) included). Page 1 of 2 - My Fluorostar 91 has arrived - posted in Refractors : My Fluorostar 91 (FLT 91) just arrived. William Optics Fluorostar FLT 91 Apochromatic Refractor - Checked & Tuned (3) £1,989. I bought this: William Optics FLAT6AIII x0. Regular price $4,378 1 in stock View. 9 Imaging APO Triplet Refractor FPL-53 - Australian Authorised dealer Add the FLAT6AIII 0. New William Optics Flattener 68III . 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. Submit Review. William Optics RedCat / SpaceCat Single Mounting Ring - Black. As low as $599. I can only see that the WO has a better focuser (not too much) and a thermometer, other than. 3" R&P Focuser Color Red Space grey Lens MaterialHello everyone!In this video I will be going over the William Optics FLT91. The back focus started at 60mm which is the required distance when using the Williams Optics FLT 91 with the FLAT6AIII, I have a filter in the image train so I added a 0. Summary. 77 degrees (see scope mounted, Version B). William Optics Fluorostar 91 APO - Gold. Cloudy Nights. Wish ListCompare. Open box. Quick view Choose Options. Its always a shame to take off the visual back on these. SUPER-HIGH QUALITY WILLIAM OPTICS REFRACTING TELESCOPES!! FLUOROSTAR 156 f/7. 5” M63 Focuser. William Optics Fluorostar 91. 00. Shopping with us. The William Optics Fluorostar 132 (FLT 132) is ideal for astrophotography due to the FPL-53 glass objective lens. Lens Type Apochromatic Triplet Prime LensDESCRIPTION The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. 9 Focuser : 3. Shipping will be. Its always a shame to take off the visual back on these. Using FPL-53 glass, this telescope provides excellent aberration correction. Page 5 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : I have the Flat6AIII on my GT71, M63 focuser thread, and the 68III on my FLT 132, M92 focuser thread. 7" rack and pinion focuser, ready to accept William Optics field flatteners. Page 2 of 3 - William Optics FLT 120 - Fluoro Star 120mm f/6. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. FLT-98; 3. Lens Type: Apochromatic Triplet Prime Lens; Focal Length: 540 mm; Aperture: 91 mm; Focal Ratio: f/5. 8 Reducer Flattener 7A . Add to cart. Testing The William Optics FLT-98 APO Refractor - posted in Refractors : Today I received a new William Optics FLT-98 for testing. $2,494. 9 Focuser Dual Speed 3. The STM coatings and superb quality provide excellent optical performance and unmatched value. Discussions - Scopes / Whole setups; Browse. New William Optics Flattener 68III . 14-inch) Aperture f/7. 3" Rack & Pinion Focuser - Specify. William Optics RedCat 51. 3" R&P Focuser Image Circle : >43mm Retracted Length :. Creating an account has many benefits: See order and shipping status; Track order history; Check out fasterThe new William Optics Fluorostar FLT 120 is a three element air-spaced apochromatic refractor with a focal ratio of f/6. Jay En Em. 03. Fluorostar 120. Regular price $1,998 3 in stock View. 5. Some of William Optics’ most well-known telescopes include: William Optics RedCat 51; William Optics RedCat. 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. The FLT 91 is the perfect apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. This very elegant 2" reducer/field flattener has been designed to optimize the flat-f. 8x Reducer / Adjustable Field Flattener 6AIII as well. The William Optics TMB 110mm triplet lens refractor is a very well made telescope. Hello all, I am finally reviewing my very own William Optics Gran Turismo 81, triplet apochromatic refractor! With a focal length of 478mm and a focal ratio. William Optics Fluorostar 91 APO - Red. Product Details. William Optics ZWO / ASI Vaonis. 9 Triplet Apo Refractor. William Optics Facebook page just says it is coming soon and provided a trailer (haha) with a nice look at it. Heywood. William Optics is a Taiwanese telescope and accessories company founded in 1996 by amateur astronomer William Yang. 105Kg. 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. 9 Triplet Apo Refractor with Carry Case - Gold # T-FLT-91GD-RP33 William Optics FLT 91 Fluorostar 91mm f/5. 4 Videos. Linear Power Focuser. To see how to install the Flat6Aiii including the correct back focus go to the following link:new William Optics Fluorostar FLT 91 is a three element air-spaced apochromatic refractor with a focal ratio of f/5. Back Ordered. 00. New Fluorostar 156 (With Feather Touch 3. Mount: EQ6R-Pro. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. 【DEMO】Binoviewer Complete Package. William Optics. Reviews 1. $3,298. Page 8 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : thanks, i thought so, but in the back of my mind i thought it was designed to be at a certain point. This is a 132mm (925mm) f7 air spaced triplet using FPL53 glass. Guide Star 61 (Soft Carry Case included) As low as $438. Just ordered a Space Gray William Optics FLT 91 Fluoro Star 91mm f/5. 5 APO Triplet Refractor - Red. Celestron. Can I use a 2. 8x Reducer / Adjustable Field Flattener 6AIII as well. 9 Focuser Dual Speed 3. Providing the supreme visual and photographic performance astronomers expect from a medium sized telescope, the William Optics Fluorostar 91 f/5. This elegantly designed 2" reducer / flattener has been designed to optimise the flat-field imaging performance of William Optics f/6 to f/7. – Refractor Design: Apochromat (APO) – Number of Refractor Elements: 3. 2 plus a 3. Review. Related Products. Wish List Compare. 00. So, this comes down to the. 9 Focuser : 3. The W-O web site for the Flat 68 iii shows the back focus for the FLT91 as 75 mm, but also indicates the adjustment distance for a DSLR or mirrorless camera as 5 mm. William Optics Fluorostar 91; ZWO EAF; ZWO EAF to FLT91 key information. I bought a FLT 91 a few months back. Add to Cart. Recent Reviews. New Fluorostar 156 (Innovative Bahtinov Mask Cover (Patented) included). To ensure the FLT91 Fluorostar is functional with a wide range of equipment, William Optics has designed it to be compatible Canon EF and RF, Nikon F and Z, Sony E, Pentax K, Micro 4/3, and Fuji X T-Mounts. SWAN 2" SWAN 1. . 00 Sale. William Optics manufactures Refractor telescopes, binoculars, digital camera adapter lenses for telescopes, eyepieces, diagonals and other accessories. William Optics ZWO / ASI Vaonis. 540mm Focal Length. com Crafting the Earth's. William Optics. 00. Related Products. You're reviewing: All New. FLT-98 is equipped with the beefy 3. This is a NEW listing. This revolutionary new WO FF68III Adjustable Flattener was made for 6 -7. Shop William Optics FluoroStar 110 mm ED Triplet f/7 APO Refractor Telescope | Be The First To Review William Optics FluoroStar 110 mm ED Triplet f/7 APO Refractor Telescope + Free Shipping over $49. William Optics FLT 120 - flattener setup - posted in Refractors : hello, I finally got my first real telescope, a William Optics FLT 120 with the P-FLAT68-iii flattener. Takahashi TSA. 0. Add to Cart. 3 inch focuser, rings, case etc. - posted in Refractors : Sorry for joining this discussion a little late, I am trying to understand whether there is an issue with Fluorostar focuser or not. Ex demo - used for product reviews / testing. 00. I'm selling my William Optics Fluorostar 91 (FLT91) with a William Optics Uniguide 32mm guide scope. Add to Cart. 9 Focal Ratio. PHONE (562) 215-4473. 00. The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. Quick View. $275. William Optics. 3" Rack & Pinion; Color: Red; Lens Material: FPL-53; Strehl Ratio: 0. 00. William Optics Fluorostar 91; William Optics FLAT6AIII for FLT91; The basic numbers. Customer reviews. 9. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. Select Options. The Esprit seems to be bullet proof (almost) but the Fluorostar has had some reports of poor focuser construction. I mounted it on my EQ6R. New for 2021 - William Optics Fluorostar / FLT 91. FLT156. * Your Name: * Your Email Address: *. A patented light weight Bahtinov mask is. . AED 7,600. 9; Focuser: Dual-Speed 3. Fluorostar 91 William Optics. William Optics FLT Fluorostar 120 f/6. 8 focal reducer, which brings the FLT 91 to a focal length of 432 mm at f/4. Write Your Own Review. 00. 0 Flattener Adapter + $49. RedCat Series Petzval Refractors 4. New William Optics Flattener 68III . $806. 00. Wish List Compare. 00. Designed by a leading designer with FPL-53 glass. 徐達杉. All Instruction Manuals for William Optics products are available for online viewing or download as PDF files. The deep-sky imaging performance of that little APO is what. x0. Special Edition FLAT6AIII Adjustable Reducer / Flattener for William Optics Fluorostar FLT 91 Telescopes. Refractor Telescope, Astrophotography, Telescopes. Next session will see me adding a total of 2mm. But I will post it here as well to show my finish project of the NGC 1499 - California in SHO with 70 Hours of data. 6lbs) including tube rings and dovetail plate. Add to Cart. Price is $1850 shipped with no PayPal fees. William Optics FLT-91 f/5. Related Products. Guide. William Optics Fluorostar 91 — Combines a compact design with remarkable imaging capabilities. 1 Review . $229. Regular price $ 1,998. . why are fluorostar's more expensive than other WO scopes? is it the quality of the glass, the weight savings, the aperture size, or something else?. The FRA500 has the built in flattener and no back focus issues. 99. Page 22 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : Well oddly enough I reached 4% tilt adjustment the one night I tried that (beginners Luck) but the next imaging session I had the bad stars and I tried to adjust the tilt but didnt work for me that night. Decrease Quantity of William Optics Fluorostar 91 APO - Gold − Increase Quantity of William Optics Fluorostar 91 APO - Gold + Adding to cart… The item has been added. Review. Shipping will be via. 25 inch RotoLock) 2019 All New Slide-base 50mm UniGuide Scope (with a Unique 1. Add to Cart. Description For FLT 91 ONLY! Special edition flattener/reducer with adapter for the Fluorostar 91 telescope. Check items to add to the cart or select all. Scope is claimed to be near perfect and comes with WO case and carry handle. $85. Create New Wish List. (barely!) and then this drops 91 is. Refactor Telescope: William Optics FLT120. $99. Produced entirely with the best Ohara optical glasses. The three-element optical design features a 91mm aperture using FPL-53 glass that delivers high contrast colour-free images and an impressive 0. Cloudy Nights. Toll-Free: +1-800-504-5897 Help Center Check Order Status. The three-element optical design features a 91mm aperture using FPL-53 glass that delivers high contrast colour-free images and an impressive 0. William Optics. When you report abuse on some content on AstroBin, the content will be hidden until a moderator reviews it. William Optics FLAT6AIII special edition Flattener for Fluorostar 91. You're reviewing:New Fluorostar 132 (Innovative Bahtinov Mask Cover (Patented) included) Nickname. $275. 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. William Optics. Add to Cart. Add to Cart. New. When you report abuse on some content on AstroBin, the content will be hidden until a moderator reviews it. The back focus is a critical spacing that must be obtained if one is using a Flattener or Reducer. 3" Rack & Pinion Focuser Astronomers desirous of superb visual and photographic intermediate. Utilizing FPL-53 synthetic fluorite glass with STM coatings, this telescope provides excellent aberration correction and amazing optical performance. Coupled with my ZWO ASI1600 MM Pro, the field of view is 2. No more image shift. Add to Cart. I use mine for visual applications only. This telescope was released in the UK circa September 2021 so is pr. 8 These are premium instruments primarily aimed at astrophotographers, but they can also be used for visual observations. In Stock. Quick view Choose Options. 5kg. New for 2021 - William Optics Fluorostar FLT 91 Apochromatic Triplet Refractor!! The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. 【Clearance】 Zenithstar 61 (Blue) OTA only. Case Dimensions. Cameras: ZWO ASI 2600mm Pro and ZWO ASI 120mm-mini. 9 native or f/4. T-FLT-91-red-Refurbished. The red trim has grown on me, and my wife likes it. 100mm f/5 1990 TV Genesis used in 2003. Fluorostar series; Gran Turismo series New; ZenithStar series; Guider series New; Finder series; Binoculars; Eye Pieces. 8x. Aperture (mm. A case is available from WO at $500, but I purchased a custom case from Case Club for just over $300. 【Refurbished】RedCat 51 Ix APO 250mm f/4. The 3. 8 triplet on its website. Check items to add to the cart or select all. The three. 00. One William Optics Fluorostar FLT 91 Apochromatic Refractor - Checked & Tuned Gold. 00 Add to Basket. Includes. Submit Review. f/5. 9 FLT Apochromatic Refractor is just the excellent midsized visual and photographic instrument sought by discerning. 9. Patented William Optics Bahtinov Mask Cover. All New Slide-base UniGuide 50mm Scope . Combined with the Flat7A flattener by William Optics, it produces a fast aperture ratio of f/5. Fluorostar Refractors alt tag Figure 5 – A Fluorostar 132mm refractor telescopes in red trim. 1. View full description Download Manual 1 year warrantyNew Fluorostar 132 (Innovative Bahtinov Mask Cover) ₹ 393,103. 00 New;William Optics is in Taiwan. This also goes for companies like Astro-physics. Add to Cart. Nickname. $229. This particular version has an adapter for use with the Fluorostar 91 and 120. 00. Hot. This very elegant 2" reducer/field flattener has been designed to optimize the flat-f. I always wanted to have one of those great looking William Optics 2-inch 90-deg Erecting Prism Diagonal and last year I really lucked out and was able to buy one in absolutely new, pristine condition at eBay (USA). 00 Add to Basket. From what I can understand/translate, it seems that (aside from the objective diameter), the Takahashi TOA-130 feels bigger. 8 Reducer. The scope also has a graduated scale for perfect camera alignment. Submit Review. 3 apochromatic. Astronomy > Telescopes > William Optics > FluoroStar > William Optics Apochromatic refractor AP 91/540 Red OTA Product no. 5 and a focal length of 780mm. 00. 5) Reducer/Flattener: William Optics FLAT7A (624mm at F/5. 7" Rack & Pinion style and can be rotated 360-degrees. Check items to add to the cart or select all. Wish List Compare. More Information; Specification: Reviews. 4mm This William Optics 2" Field Flattener and Reducer has been designed to optimize the flat-field iTak's have a reputation of, for the most part almost amateur perfect optics and consistently so. William Optics Fluorostar 91 Imaging Cameras ZWO ASI2600MC Pro Mounts iOptron CEM40 Accessories ZWO OAG · ZWO ASIAir Pro · William Optics Flat6AIII Software.