View full description Download Manual 1 year warrantyNew Fluorostar 132 (Innovative Bahtinov Mask Cover) ₹ 393,103. William Optics Fluorostar 91 Imaging Cameras ZWO ASI2600MC Pro Mounts iOptron CEM40 Accessories ZWO OAG · ZWO ASIAir Pro · William Optics Flat6AIII Software. Add to Cart. ♦ Dual-speed rack and pinion focuser with "Rotolock" clamping. 4mm. A patented light weight Bahtinov mask is included to provide assistance in focusing, or you can remove it. Our Price: $4,378. Astronomers desirous of superb visual and photographic intermediate sized refractor performance will much appreciate the William Optics 91 mm f/5. Back Ordered. The three-element optical design features a 91mm aperture using FPL-53 glass. Refractor Telescope, Astrophotography, Telescopes. Wish List. New for 2021 - William Optics Fluorostar / FLT 91. I started with the initial distance recommendations from the product website and I found that I had. For astrophotography, the large image circle provides illumination, even for full-frame cameras. However I have not found many reviews or youtube video reviews about this particular scope. M68 x 1. Lens Type: Apochromatic Triplet Prime Lens; Focal Length: 540 mm; Aperture: 91 mm; Focal Ratio: f/5. 00)Stunning Optics. 9 Focuser Dual Speed 3. 00. Write Your Own Review. 25-inch 90-deg Erecting Prism Diagonal from the same William Optics vendor at eBay. 9 Apo Refractor - 20th Anniversary Edit Very nice scope, looks fantastic and works perfectly. 80mm f/6 William Optics Megrez Triplet Fluorite new in 2004. 61 amp. 8x reducer / flattener. . The three. Good condition with some slight signs of use as you would expect - complete. 【Clearance】 Zenithstar 61 (Blue) OTA only. 9 APO (NEW) HK$4,990. The price difference is about 2k (Euros). The photo of the 2 telescopes with Feather Touch focusers is courtesy of Bill McLaughlin. 9 FLT Apochromatic Refractor is just the excellent midsized visual and photographic instrument sought by discerning astronomers. The STM coatings and superb quality provide excellent optical performance and unmatched value. The APO triplet optics of the Flat6AIII are made with Ohara glass and fully multi-coated to provide good. Total integration time of 28 hours and 32 minutes. William Optics Fluorostar 91 / FLT91 / New scope and flattener/reducer; New scope and flattener/reducer. Nice results. 3" dual speed rack & pinion focuser is smooth,. Suitable for William Optics uniguide and all of Vixen type finder bases. De FLT 91 is de perfecte apochromatische refractor voor visuele en fotografische astronomen die kwaliteit eisen in een middelgrote telescoop. Wish ListCompare. Z. 【Clearance】 Zenithstar 61 (Blue) OTA only. was founded in Taiwann for the purpose of making astronomical telescopes for use by the more demanding amateur astronomer and birder. Hope that WO reads related threads here and strive to improve. - Features a top-quality triplet f/7 air-spaced objective. Wish List Compare. ZenithStar 110 WILLIAM OPTICS USA Crafting the Earth's Finest Astronomical Instruments CONTACT US WILLIAM OPTICS USA Toll Free: +1-866-918-6888 (For USA only) Tel: +1-714-898-7989 Fax: +1-714-892-6067 web: e-mail: wo@william-optics. The new ones do not contain fluorite elements and I don’t know that older models ever did. 9 Doublet APO. cþl 22mm Weight : 9. 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. 16%. 9 Triplet Apo Refractor with Carry Case - Red # T-FLT-91RD-RP33. The three-element optical design features a 91mm aperture using FPL-53 glass. Share. 2019 All New Adjustable Flat6AIII (T-mount not included) 2019 All New Adjustable Flat6AIll (T-mount not included) PRODUCT DESCRIPTION: Field flattener / X0. 6" f/8. Customer reviews. 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. 8x flattener hereAdd. The upgraded 3. 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. 34 degrees X 1. Fluorostar series; Gran Turismo series New; ZenithStar series; Guider series New; Finder series;. This includes things like the lens cell. 30 Add to cart; Sale! Fluorostar 91 APO ₹ 203,103. “Fluorostar” is a brand name of a line of WO refractors. – Telescope Aperture: 6. I hope this helps. The lens cell is a TMB design. The three-element optical design features a 91mm aperture using FPL-53 glass. 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. 00. S. 5" Focuser) Nickname. This accessory is a must-have for refractor astrophotography. 1. 48mm T mount for. New Fluorostar 156 (Innovative Bahtinov Mask Cover (Patented) included). You're reviewing: 【Refurbished】Fluorostar 91 APO-Space Grey. 00 Add to Basket. 5kg. $85. New Fluorostar 132 (Innovative Bahtinov Mask Cover (Patented) included) Innovative Bahtinov Mask Cover (Patented) & Soft carry bag included!!Simply put: a joy to use. The store will not work correctly in the case when cookies are disabled. Despite being only a little longer, that diameter and extra glass means this is much heavier than my Z73. As low as $93. Reviews (0) Be the first to Write a Review for. Follow us: Join our mailing list: Signup. 1) William Optics Fluorostar + CEM70G. $43. 00. 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. Camera Angle Rotator for 2. 95+. Four years later, in 2000, William Optics USA began by offering their break-out 80mm Megrez refractor to consumers in the United States. William Optics Fluorostar FLT 91 Apochromatic Refractor - Checked & Tuned (3) £1,989. 90 Joe Matthews #. William Optics Fluorostar 91 APO - Red. Fluorostar 91 SKU: T-FLT-91RD-RP33 . Write a Review. $691. There are a few superficial scratches on the tube but the optics are great. Add to Cart. William Optics Fluorostar FLT 91 Apochromatic Refractor - Checked & Tuned (3) £1,989. The FLT 91 is the perfect apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. Description For FLT 91 ONLY! Special edition flattener/reducer with adapter for the Fluorostar 91 telescope. 9. William Optics Fluorostar 91 APO - Gold. William Optics New FLT 132 Fluorostar 132mm f/6. P-FLAT7A. 0 reviews . We plan to keep producing fine instruments both for the entry-level and. Stunning Optics. 5: 780: Triplet: 3. The FLT 91 is an Apochromatic refractor with a focal length of 540 mm and an aperture of f/5. 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. Some of William Optics’ most well-known telescopes include: William Optics RedCat 51; William Optics RedCat. onto WIlliam Optics Fluorostar 91 | Download free 3D printable STL models. Then we move onto the new rotatable designed 2. The Esprit seems to be bullet proof (almost) but the Fluorostar has had some reports of poor focuser construction. 00. Wish List Compare. Features of the William Optics Adjustable Field Flattener. New. The William Optics Fluorostar 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. 3" R&P Focuser Color Red Space grey Lens MaterialHello everyone!In this video I will be going over the William Optics FLT91. 9 Imaging APO Triplet Refractor FPL-53 ProAstroz. Recent Reviews. 00. 9 Triplet APO. 00. Both set ups look attractive and suitable to my needs. This telescope is a beast in size and weight. (Best Buy) Red dot finder Kit with Vixen Style Mounting Base. William Optics Fluorostar FLT91 f/5. Utilizing FPL-53 synthetic fluorite glass with STM coatings, this telescope provides excellent aberration correction and amazing optical performance. 9; Focuser: Dual-Speed 3. 5” Linear Power Focuser again with the Excellent 1:10 fine focuser. $656. Anyone having experience with either or both, your observations and knowledge would be appropriated. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. This is a top of line material used in only the finest refractor telescopes. Adapter. 【DEMO】Binoviewer Complete Package. Buy another brand of same specifications almost, i have TS Optics one that i ordered. Add to Cart. Lens. Add to Cart. 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. 5" Focuser) Nickname. Add to Cart. FLT-132 is equipped with the heavy duty. 00. Special thanks to Agena Astro for get. 00. Main Equipment, not all are listed here. It has so much of the things I think I am looking for; light weight, short tube length, relatively cheap and close to grab n go. William Optics FLT120 - 120 mm f/6. It was useful enough to get me to sign up to CN. It is ideal for astrophotography. (No reviews yet) Write a Review Related Products; Quick view Choose Options. William Optics Fluorostar 91 APO - Red. RedCat 71 APO 350mm f/4. Fluorostar series; Gran Turismo series New; ZenithStar series; Guider series New; Finder series; Binoculars; Eye Pieces. The reducers always look undersized in comparison. William Optics FLT 91 with 2. 8 TRIPLET APO OTA . Vixen Style Mounting Base for RedCat - Black. . Zenithstar 81 APO. An Apochromatic triplet refractor for visual astronomers and astrophotographers who want very high performance from a midsize telescope. Quick View. William Optics Fluorostar 91 APO - Gold. Open box. Add 30 Minute Product Setup Appointment with Gear Expert to your order. You must be logged in to post a review. Out of stock. Warning, the EAF and focuser shaft will. Wish List Compare. 91mm Aperture. Out of stock. Refractors: 101mm f/5. Image credit: William Optics. 540mm Focal Length. Mounting Rings;William Optics Fluorostar FLT 91 Apochromatic Refractor - Checked & Tuned (3) £1,989. 6 and can be reduced with a reducer to f/3. A case is available from WO at $500, but I purchased a custom case from Case Club for just over $300. Check items to add to the cart or select all. Review. The FLT has FPL53 glass and the years of great reputation of William Optics build quality. Add to Cart. 00. You're reviewing: Fluorostar 120. William Optics Fluorostar FLT 91 Apochromatic Refractor - Checked & Tuned (3) £1,989. A patented light weight Bahtinov mask is. Ex Demo Ex-demo. A quick review of the iStar Phantom FCL 140-6. The FLT 91 employs FPL-53 glass and has an optical design consisting of three elements. Fully multi-coated to provide bright and flat field across 97% of full-frame sensors. Comes with Standard 2 year warrantyOptical Performance The Fluorostar 132 is a three element designed APO refactor. Back Order. 5) Reducer/Flattener: William Optics FLAT7A (624mm at F/5. 9. Contiguous US Customers: All items we sell ship for free within the Contiguous US. I have a gold William Optics FLT 91 with the x0. 9. 2 plus a 3. 7. Backfocus is adjustable up to 15 mm, and, once set, is held in place by a locking ring. Comment. WILLIAM OPTICS FLT 110 APO f/7. Wish List Compare. An Apochromatic triplet refractor for visual astronomers and astrophotographers who want very high performance from a midsize telescope. Price jumps out as the obvious difference $3210 vs $1999 though availability and color might be a consideration. Fluostar series (FLT) represents William Optics' top of the line apochromatic designed for astrophotography. Nickname. Mount: EQ6R-Pro. 5" RotoLock focuser to carry heavy imaging train which allows you to exploit the potential of this fluorite triplet even further. 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. Fluorostar 91 APO quantity. 00. The William Optics FLT 91 is the perfect apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. 5 APO Telescope features a three element FPL53 multi-coated lens and offers an excellent contrast and aberration correction. 3" Rack & Pinion Focuser - Gold Version With a 3-element triplet design and FPL-53 glass, this William Optics 91 mm f/5. 00. The three-element optical design features a 91mm aperture using FPL-53 glass. 00. The William Optics FLT 132 features a triplet objective with Ohara FPL53 glass for the ED element and a new improved central element that provides superior contrast when compared to the. The three-element optical design features a 91mm aperture using FPL-53 glass. The review does not mention if it has a fine focuser. Write Your Own Review. 3" RP: Yes:. 95+skysurvey, on 15 Nov 2020 - 06:16 AM, said: No, the WO 91 Fluorostar isn't any cheap but I have no idea why, IMO we are talking about a 2515€ telescope and about a 1382€ telescope that are the same, don't let you that 1mm of difference confuse you. William Optics ZWO / ASI Vaonis. Here is a slim down of that post. +. 95 FREE! Add Apertura Air Blower for Lens Cleaning to your order. Its always a shame to take off the visual back on these. Posted 18 March 2021 - 09:36 AM. $656. 8x reducer (6Aiii), you must be 62. Quick View. The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. In 1996, William opened William Optics in Taiwan. I use mine for visual applications only. The William Optics FLT 91 is the perfect apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. Agena Website Offer. New for 2021 - William Optics Fluorostar / FLT 91. View full description Download Manual 1 year warranty A soft carry case comes standard with the William Optics Fluorostar 91. 00. 3" Rack & Pinion Focuser Astronomers desirous of superb visual and photographic intermediate. Having two flatteners/focal reducers is like having two telescopes with different focal lengths. 00. 5 with an APO X0. 00. Add to Cart. William Optics Fluorostar 91 Triplet APO Refractor Telescope with 3. 4mm image circle makes it a perfect match for full-frame sensors. 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. Customer reviews. I ordered a William Optics FLT 91 Fluorostar 91mm f/5. This review saves. 00. 00. hopefully in a couple hours i can try it out Do the test for us, put the mask, and. $1,998. I have since added another 1. 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. 9 Triplet Apo Refractor with Case William Optics FLT 91 Fluorostar 91mm f/5. Wish List Compare. Product Details. Lens Type Apochromatic Triplet Prime Lens Focal Length 540mm Diameter 91mm Aperture f/5. Reviews 1. 00. 8 Field. More Info . I wanted to create a thread to contain all information, tips, guides etc. “Zach, thanks again!”I had the. 00. 360 deg. 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. 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. 8x. The 68III is at least twice as big and twice as heavy as the 6AIII. Add to Cart. 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. You may remember my review of the William Optics Zenithstar 61 APO, which also used this glass. Add To Cart. 8 Reducer Flattener 7A . View full description Download Manual 1 year warranty The FRA500 is slightly lighter and slightly smaller in length. 99. 6lbs) including tube rings and dovetail plate. FLAT6AIII special edition for Fluorostar 91 . 5" rack and pinion focuser is excellent. 1 65kg (OTA only) 1 2. New. Add to Cart. $865. 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 Fluorostar FLT 91 Apochromatic Refractor - Checked & Tuned (3) £1,989. Full frame size. Maybe its just me but I feel like this is too close to the 81mm GT. Submit Review. Its always a shame to take off the visual back on these. 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. 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. 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 £1,777. William Optics Fluorostar 91 APO. $1,598. 00. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. In Stock. All New Slide-base UniGuide 50mm Scope . Ex demo - used for product reviews / testing. Our Price: $1,998. 5mm spacer, but got elongated stars in the four. Add to Cart. Includes a 3" rotolock camera rotator and. 8 triplet on its website. QC issues described here are something that one would not expect from such established producer. The three-element optical design features. Optics: William Optics Fluorostar 91 w/reducer: Filter Wheel: ZWO 7-position automated filter wheel (50mm/2″). William Optics' new Dovetail Plate expands your options: you can now choose a fully-anodized, WO product to mount you The store will not work correctly in the case when cookies are disabled. This William Optics field flattener is designed specifically to work with the FLT 91 APO refractor. Log In; Register; Order Status; Order History;M42, William Optics FLT120. 9 Triplet!!! Totally lucked out and found one in stock at one of the Telescope sites. I have question for any owners of this scope who may have a Moonlite focuser. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. 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. 00. Compare Selected. Page 20 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : Your saying your image train is OTA -> Flat68iii -> EFW -> 2600MM?. 95 FREE! Add to Cart. Built with M63 threads on the telescope side. 6. Filters: Chroma SHO 3nm - 50mm unmounted Filters. 8x Reducer/Flattener, as a treat to myself. You're reviewing:New Fluorostar 132 (Innovative Bahtinov Mask Cover (Patented) included) Nickname. Astronomy > Telescopes > William Optics > FluoroStar > William Optics Apochromatic refractor AP 91/540 Red OTA Product no. Add to Cart. William Optics FLT 91 Fluorostar 91mm f/5. But i can not find reports about how well this. All New Slide-base UniGuide 50mm Scope. $275. 3" R&P Focuser Image Circle : >43mm Retracted Length :. William Optics Fluorostar 91 apochromatic refractor rood. 8 These are premium instruments primarily aimed at astrophotographers, but they can also be used for visual observations. 00. Just ordered a Space Gray William Optics FLT 91 Fluoro Star 91mm f/5. The 3. Select Options. William Optics. 03 Add to cart; Sale! New Cat Series Saddle Handle Bar ₹ 5,310. Review. Page 2 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : The longer I wait, the more on the fence I find myself. William Optics From the RedCat to the ZenithStar series and beyond, you'll find amazing optical quality and awesome fit and finish when you shop William Optics telescopes at OPT. Create. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. 9 and reduces to f/4. Figure 1 – William Optics Redcat 51. The three-element optical design features a 91mm aperture using FPL-53 glass. Price is $1850 shipped with no PayPal fees. The telescope has a 61-mm f/5. William Optics Fluorostar 91 Triplet APO Refractor Telescope with 3. Submit Review.