More Info . Gran Turismo 71 APO. ZenithStar 73 III f/5. Quick View. Add to Cart. We can't find products matching the selection. William Optics telescope comes with a soft carry bag. Extension Tube Weight. 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. Fully multi-coated 2-element unit was designed and produced by William Optics, the inner flattener lenses can be set at the optimum 66mm-86mm back focus by simple hand twist (Distance from flattener lens to. No ratings or reviews yet. 95+. Information; Reviews (0) Article number: P-FLAT6AIII-M92: Availability: More on the Way to us: Delivery time: More on the Way to Us: FLAT6AIII special edition for Fluorostar 91. $5,668. Confusing, I know, but that is marketing for you. Add to Cart. # 10/7/2021. Reducing factor 0. * Your Name. The William Optics Fluorostar FLT 91 granted us a stunning suite of astro images to enjoy and is small and light enough to remain portable for travelling astronomers. 9 Petzval Refracting Telescope. I am interested in getting a motorized focuser that is know to fit a William Optics FLT 132 APO refractor - I am looking for something that would be suitable for automated focus operations when using. 99. William Optics RedCat / SpaceCat Single Mounting Ring - Black. William Optics Fluorostar FLT 91 Apochromatic Refractor - Checked & Tuned (3) £1,989. Details. This model is outfitted with blue powder coated accessories. I was also lucky enough to find the 0. $169. 25" WA 1. SKU WO-T-FLT-91GD-RP33 Original price CA$2,697. View full description Download Manual 1 year warranty The FRA500 is slightly lighter and slightly smaller in length. 00 HK$26,880. Features a top-quality triplet air-spaced apochromatic objective. 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. 00. The Flat6AIII features adjustable spacing for use with a range of cameras and imaging systems. 【Clearance】 Zenithstar 61 (Blue) OTA only. 00 Add to Basket. Red dot finder Kit with Vixen Style Mounting Base. $2,299. Length: 15. 9 Triplet Apo Refractor with Carry Case. $92. I have a gold William Optics FLT 91 with the x0. Wish List Compare. Utilizing FPL-53 synthetic fluorite glass with STM coatings, this telescope provides excellent aberration correction and amazing optical performance. The flattener can be securely screwed on to the drawtube. Submit Review. Related Products. William Optics offers another model of apochromatic triplet refractor, the Fluorostar. This very elegant 2" reducer/field flattener has been designed to optimize the flat-f. William Optics. William Optics have a 126 F7. Fluorostar 91 APO Triplet Refractor. Out of stock. ♦ three-element optical design using FPL53 glass. 9kg (8. Ex demo - used for product reviews / testing. 00. Technical Specifications. 6. I can only see that the WO has a better focuser (not too much) and a thermometer, other than. You're reviewing: 【Refurbished】Fluorostar 91 APO-Space Grey. - Extra-smooth 3. New William Optics Flattener 68III . 00 Sale. The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. Hi all, Curious to see if anyone has any reviews/thoughts on the WO FLT 91 scope. Add to Cart. Megrez 90 FD - Fluorite doublet review - posted in Discussion of CN Articles, Reviews, and Reports: Megrez 90 FD - Fluorite doublet review By Gianluca Rossi. 2 inch Durabright CF Plate. This telescope was released in the UK circa September 2021 so is pr. 3" R&P Focuser Image Circle : >43mm Retracted Length : 441 mm Extended Length : 51 Omm Dew Shield Circumference : 383mm Dew Shield Diameter . 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. $865. 00. Back Order. These include entry-level refractors like the Zenithstar series all the way up to top-of-the-line Fluorostar series. Used for testing / review purposes. Compare Selected. 9 Focuser Dual Speed 3. Quick View. Add to Cart. This William Optics 2" Field Flattener & Reducer has been designed to optimize the flat-field imaging performance of William Optics GT71, GT81, Z81 & Z103 refractors. Specifications. If you go ES, definitely pay up for FCD-100, but it will still have a substandard focuser. Shipping will be. 【DEMO】Binoviewer Complete Package. I have the Redcat 51 and loved the quality. Zenithstar 81 APO Brand New 2019 Super ZenithStar 81 F6. $656. 3" R&P Focuser Color Red Space grey Lens Material So far, the stars are looking better and better as I back it out more. 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. Quick view Compare Choose Options. Open box. Posted 07 March 2022 - 08:46 PM. 55 AstroPhysics Starfire new in 1989. $691. 77 degrees (see scope mounted, Version B). High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. William Optics manufactures Refractor telescopes, binoculars, digital camera adapter lenses for telescopes, eyepieces, diagonals and other accessories. Description. The ultra-smooth, heavy-duty 3. 8X. 9 Focal Ratio. 00 Add to Basket. Basic Information: Telescope: William Optics FLT 91 with FLAT 6AIII reducer. hopefully in a couple hours i can try it out Do the test for us, put the mask, and. The three. New for 2021 - William Optics Fluorostar / FLT 91. The cooled. first night with scope. Agree with Pete, and therein lies the issue with William Optics. Z. 5. 1 81bs / 4. I found a great. New. 34 degrees X 1. Summary. Add to Cart. You're reviewing: Fluorostar 120. 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. Our Price: $1,998. 5" Feather Touch dual-speed focuser allows for use of three optional M92 flatteners from William Optics; the FLAT68III, which flattens the field beautifully without focal reduction, the FLAT7A, an APO flattener that will also reduce the effective focal length of the 156 FluoroStar to f/6. Customer. 9. William Optics Fluorostar FLT 91 Apochromatic Refractor - Checked & Tuned (3) £1,989. View full description Download Manual 1 year warranty A soft carry case comes standard with the William Optics Fluorostar 91. 25" Diagonals & Erecting Prisms. 8x Reducer / Adjustable Field Flattener 6AIII as well. Finally available at an AMAZING price in its class. William Optics Fluorostar FLT 91 Apochromatic Refractor - Checked & Tuned (3) £1,989. The price difference is about 2k (Euros). Write Your Own Review. About WO. Page 1 of 2 - Askar FRA500 vs the WO FLT 91 - posted in Refractors : Looking at these two scopes. 00). Good condition with some slight signs of use as you would expect - complete. EUR; GBP; Need Help? +62 812 7806 1789; About Us; Order Tracking; Contact UsWO Megrez 110: First light & Megrez 90 Comparison - posted in Refractors : Tonight was my second night out with my recently acquired 110mm ED doublet refractor. Im excited. William Optics Fluorostar 91 FLT91 f/5. Our Price: $229. The following telescope models can be used with the William Optics FLAT6AIII Adjustable Field Flattener. 7. $656. 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. 00. Fluorostar series; Gran Turismo series New; ZenithStar series; Guider series New; Finder series; Binoculars; Eye Pieces. 【Refurbished】Fluorostar 91 APO-Red. But i can not find reports about how well this. 1. Ken Bates. Add to Cart. Scope is claimed to be near perfect and comes with WO case and carry handle. $2,494. New Fluorostar 132 (Innovative Bahtinov Mask Cover (Patented) included) As low as $4,378. . 00. The three-element optical design features a 91mm aperture using FPL-53 glass. Gran Turismo 81 IV. SWAN 2"STC Astro Duo-Narrowband Filter. 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. The FRA is also a natural f/5. (No reviews yet). Wish List Compare. Abuse reports are anonymous and the content's owner will not be notified. 6. Figure 1 – William Optics Redcat 51. Add to Cart. 13. 00 New;William Optics is in Taiwan. 5kg. SWAN 2" SWAN 1. Joined: 07 Feb 2017. " alt="" /> . Quick view Choose Options. 5" Focuser) Nickname. In Stock. Add to Cart. 9. Quick view Compare Choose Options. See shipping choices & costs. Regular price $ 1,998. $43. 5 ratio refactors, including the new FLT91 telescope. William Optics GuideStar 61 (1) £299. 00. William Optics GuideStar 61 APO With Case £399. 25". Summary. $ 1,998. 5 and a focal length of 780mm. A patented light weight Bahtinov mask is included to provide assistance in focusing, or you can remove it. I started with the initial distance recommendations from the product website and I found that I had. It is not Fluorite, it's Fluorocrown" which should be FPL-53 and not FPL-51. 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. 9 Focuser : 3. 360 deg. An Apochromatic triplet refractor for visual astronomers and astrophotographers who want very high performance from a midsize telescope. 72 with the recommended 'William Optics Flattener Reducer 6' at 0. 291bs / 5. The three-element optical design features a 91mm aperture using FPL-53 glass. Fluorostar series; Gran Turismo series New; ZenithStar series; Guider series New; Finder series;. 5x TV Powermate - posted in Beginning Deep Sky Imaging: I have heard William Optics FLT 91 Fluorostar is one of the best optic refractors of its league. 99x600" Oiii 65x600" Ha 12x120" R 12x120" G 12x120" B Bortle scale: 6 Telescope: William Optics Fluorostar 132 Flattener: William Optics Flat 68III Camera: QHY600M OAG: QHY OAG-M Add to Cart. 5" ( cm) Watts: 7. New Sale. The ZWO EAF will definitely fit on the coarse focus knob on left side. Add to Cart. 7" rack and pinion focuser, ready to accept William Optics field flatteners. Was wondering what people thought of them. The store will not work correctly in the case when cookies are disabled. Cameras: ZWO ASI 2600mm Pro and ZWO ASI 120mm-mini. Takahashi TSA. The three-element optical design features a 91mm aperture using FPL-53 glass. 3 inch focuser, rings, case etc. 9 and reduces to f/4. Sign up for our newsletter to get exclusive deals, observing tips, and new product announcements. 0. 48mm T mount for. Wish List Compare. 7. The reducing factor of this field flattener is 0. 3-inch Rack and Pinion focuser featuring a turn/click to lock eyepiece holder, a new central lens element and new steel lens cell. I hope this helps. 00. 9. About Us Policies Reviews How To. I ordered a William Optics FLT 91 Fluorostar 91mm f/5. 00. 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. 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. 00. Open box. Out of stock. Add to Cart. Nickname. Total integration time of 28 hours and 32 minutes. 9 Imaging APO Triplet Refractor FPL-53 ProAstroz. 5%. This scope is extremely sharp and has a great color correction. The three. 0. - William Optics Fluorostar Triplet ED Refractors. Add to Cart. Providing the supreme visual and photographic performance astronomers expect from a medium sized telescope, the William Optics Fluorostar 91 f/5. 9; Focuser: Dual-Speed 3. Add to Cart. The store will not work correctly in the case when cookies are disabled. Whereas the WO 91 is a natural f/5. Products Telescopes Fluorostar series Fluorostar series 5 Items Sort By (Pre Order)New Fluorostar 156 (With Feather Touch 3. Focal ratio is f/5. Wish List Compare. 2 Reviews . Add to Cart. 95 FREE! Add to Cart. 00. 9. 8x Reducer / Adjustable Field Flattener 6AIII as well. An Apochromatic triplet refractor for visual astronomers and astrophotographers who want very high performance from a midsize telescope. 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. Flat6AIII special edition for FLT91. Add to Cart. The three-element optical design features a 91mm aperture using FPL-53 glass. William Optics Fluorostar 91 Triplet APO Refractor Telescope with 3. The FLT has FPL53 glass and the years of great reputation of William Optics build quality. All New Slide-base UniGuide 50mm Scope . De STM-coatings en uitstekende kwaliteit zorgen. William Optics. This elegantly designed 2" reducer / flattener has been designed to optimise the flat-field imaging performance of William Optics f/6 to f/7. Having two flatteners/focal reducers is like having two telescopes with different focal lengths. 8x Reducer/Flattener, as a treat to myself. Fluorostar series; Gran Turismo series New; ZenithStar series; Guider series New; Finder series; Binoculars; Eye Pieces. William Optics. You must be logged in to post a review. Sort By. Abuse reports are anonymous and the content's owner will not be notified. Full manufacturers warranty. If you read nothing else you need to know the following: You MUST remove the large spacer at the end of the scope, it has the knurled rotolock attached to it - this is the single biggest issue when people can't achieve focusFLAT6AIII special edition for Fluorostar 91 . Fluorostar 91. 03 Add to cart; Sale! New Cat Series Saddle Handle Bar ₹ 5,310. 00 Add to Basket. When you report abuse on some content on AstroBin, the content will be hidden until a moderator reviews it. observing and imaging tips, product announcements and reviews! Follow us on Facebook and Instagram!* ← Previous Next →. 8 focal reducer, which brings the FLT 91 to a focal length of 432 mm at f/4. Feather Touch® 3. Hi all, Curious to see if anyone has any reviews/thoughts on the WO FLT 91 scope. Ken Bates. Customer reviews. Hope that WO reads related threads here and strive to improve. ♦ Dual-speed rack and pinion focuser with "Rotolock" clamping. 5 APO Triplet Refractor - Red. As low as $4,378. リーズナブルで高い性能を保持したWilliamOpticsの屈折望遠鏡に新製品がラインナップされました。持ち運びにもちょうどいい高性能な9cmの屈折望遠鏡です。 WilliamOptics FLT-91APO／F5. 00)Stunning Optics. 75 Flattener Adapter + $49. 9 Focuser : 3. The red trim has grown on me, and my wife likes it. $656. 3 apochromatic. Lens Type Apochromatic Triplet Prime Lens Focal Length 540mm Diameter 91mm Aperture f/5. 25-inch 90-deg Erecting Prism Diagonal from the same William Optics vendor at eBay. This is a top of line material used in only the finest refractor telescopes. 9 FLT Apochromatic Refractor is just the excellent midsized visual and photographic instrument sought by discerning astronomers. New Fluorostar 156 (With Feather Touch 3. An index has been included which includes links to the direct post for each topic in question. William Optics. Camera Angle Rotator for 2. The three-element optical design features a 91mm aperture using FPL-53 glass. William Optics Fluorostar 91 APO - Red. Precision optics with STM coatings. f/5. 5mm spacer, but got elongated stars in the four corners. Regular price $933 1 in stock. 8 Reducer. 72. Related Products. Help with focusing on a new setup - posted in Experienced Deep Sky Imaging: Hello! I just received a new William Optics telescope and tried it for the first time. 9. . Fully multi-coated to provide bright and flat field across 97% of full-frame sensors. 6lbs) including tube rings and dovetail plate. Mounting Rings;William Optics Fluorostar FLT 91 Apochromatic Refractor - Checked & Tuned (3) £1,989. New William Optics FLT120mm f/6. Its always a shame to take off the visual back on these. The scope is a fine instrument made by William Optics – the Megrez 110 – it also happens to be the topic of recent discussions by its previous owner. . The three-element optical. 91mm Aperture. $378. I have an A&M 110mm which is the WO 110 FLT with TMB optics and a carbon fiber tube. 105Kg. Description Reviews (0) Description. 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. 95+ Strehl Ratio. Was wondering what people thought of them. 00 Add to Basket. 00. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. was founded in Taiwann for the purpose of making astronomical telescopes for use by the more demanding amateur astronomer and birder. Add to Cart. SWAN 2" SWAN 1. 8x flattener/reducer with STM-coated Ohara lenses. 4mm image circle makes it a perfect match for full-frame sensors. 00. (WxHxD) 99cm x 34cm x 30cm. 00. $1,598. 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. View full description Download Manual 1 year warrantyNew Fluorostar 132 (Innovative Bahtinov Mask Cover) ₹ 393,103. William Optics Fluorostar 132 APO Refractor OTA (Red) Optical Performance The William Optics Fluorostar 132 is a. It is ideal for astrophotography. Identical to the standard FLAT6AIII optically but with an additional adapter to fit the FLT 91 telescope. Regular price $4,378 1 in stock View. Add to Cart. Cloudy Nights. 48mm T mount for. 00. William Optics Fluorostar 91 Triplet APO Refractor Technical Specifications. $691. To see how to install the Flat6Aiii including the correct back focus go to the following link:Questions.