This very elegant 2" reducer/field flattener has been designed to optimize the flat-f. 7) / GTF102 : Telescope or lens: 3: 20: William Optics Gran Turismo 102 / GT102 : Telescope or lens: 22: 345: William Optics Gran Turismo 153 / GT153 :ウィリアムオプティクス社 Fluorostar 91mm3枚玉 FPL53アポクロマートレンズの新鏡筒優れた光学設計によりストレールレシオ95%以上を達成しております[有効径] 91mm[焦点距離] 540mm(F5. The three-element optical design features. 1 65kg (OTA only) 1 2. Now Only $998. The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. The three-element optical design features a 91 mm aperture using FPL53 glass. 9) Flattener/Reducer: FLAT6AIII special edition for Fluorostar 91 (432 mm at f/4. The three-element optical design features a 91mm aperture using FPL-53 glass. N. Gran Turismo 71 f/5. 4mm spacing is more or less a. Whereas the WO 91 is a natural f/5. 8 focal reducer, which brings the FLT 91 to a focal length of 432 mm at f/4. As low as $1,998. Download: free Website: Printables. Important - colour may differ from photo, we will have this photographed shortly. FLAT6AIII special edition for Fluorostar 91 . Page 4 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : Seems like there is a pretty large shipping fee to. Service_manual_GE_OEC_Fluorostar_7900. 91mm. 00. Page 11 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : Thats with the WO reducer for this scope and a QHY268. If they were just sourcing and retailing scopes like some other brands, I'd expect to be able to easily find equivalents to, say, the RedCat 71 or the Fluorostar 91. 9 and reduces to f/4. 【Refurbished】Fluorostar 91 APO-Red . 00. 3" R&P Focuser. Description Reviews (0) Description. Zygo Test Report + $99. Add to Cart-23. buy DETAILS. 00. 03%. 56% Hot. T-FLT-91-SG-Refurbished. Add to Cart. FLAT6AIII special edition for Fluorostar 91. net job: 7291421 RA center: 05 h 23 m 03 s. The back focus is a critical spacing that must be obtained if one is using a Flattener or Reducer. 00. My review of the William Optics Fluorostar 91 APO Triplet and some exciting news from the AstroWorld TV team! Visit my Astrobin page for Hi-Resolution images. 1 year warranty. Telescope/Lens: William Optics Fluorostar 91 (540 mm at f/5. Telescope: Fluorostar 91 APO / Fluorostar 132 / Takahashi FC-100 Or something in this category up to 10-12k EUR Mount: ZWO AM5 Mount / ZWO TC40 Carbon Control:. Wish List Compare. Our Price: $1,998. 25" · Antlia Red 1. GEPRC Crocodile baby 4 inch Gopro Insta360 GO mou. The three-element optical design features a 91mm aperture using FPL-53 glass. Feitelijk zijn beide flattener / reducer gelijk aan elkaar alleen zit bij dit product een M92 adapter bijgeleverd. T-FLT-91. William Optics Fluorostar Series:. Astronomers desirous of superb visual and photographic intermediate sized refractor performance will much appreciate the William Optics 91 mm f/5. William Optics Fluorostar 91 FLT91 f/5. The three-element optical design features a 91mm aperture using FPL-53 glass. Filter: Chroma 36mm OIII 3nm Telescope Filter - Unmounted. I can usually work out decisions but this one has me on a fence. Now Only $1,398. (Pre Order)New Fluorostar 156 (Innovative Bahtinov Mask Cover (Patented) included) As low as $7,398. FLAT6AIII special edition for Fluorostar 91 . This flattener contains a 63 mm opening on one end that threads into the telescope, and an M48x0. It can with the visual extension attached which is 3-4 inches long I didnt know it had to be removed before attaching the flattened. 67% Basic astrometry details. Deutsch; Français; Espanol; Currency: USD. 9) triple apo. Adapters. 9 Focuser Dual Speed 3. The STM coatings and superb quality provide excellent optical performance and unmatched value. Started by mewmartigan , Sep 09 2020 06:02 AM «. Mounting Rings;FLAT6AIII special edition for Fluorostar 91 . Utilizing FPL-53 synthetic fluorite glass with STM coatings, this. 3" ラックアンドピニオン. OCAL Electronic Collimator 1 9. 2019 All New Adjustable Flat6AIII (T-mount not included) 2019 All New Adjustable Flat6AIll (T-mount not included) PRODUCT DESCRIPTION: Field flattener / X0. Quick view Compare Add to Cart. Any suggestions for good double star targets for 90 mm of refractor?FLAT6AIII special edition for Fluorostar 91 . 2) Camera: ZWO ASI 2600mc Pro. William Optics Fluorostar 91 / FLT91 4 49. Wish List Compare 【Refurbished】Gran Turismo 81 IV-Space Grey . FOA-60 Ortho Apochromatic Refractor. During alignment of the star finder with a distant. 99. Add to Cart. William Optics FLT 91 Fluorostar 91mm f/5. . 65mm > 16. 5, 2022 Frames: 71. WO Fluorostar 91 - new scope. Part number manufacturer: A-F120GD-RP33 . The flattener can be securely screwed on to the focuser. Fluorostar Series 1 Product; CAT Series 4 Products; Video Demonstration. What made this project so difficult was the abundance of stars in the region. The William Optics Fluorostar 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. Rated 0 out of 5 $ 1,998. item 8 Sky-Watcher Esprit 150mm ED Triplet APO Refractor #S11430 Sky-Watcher Esprit 150mm ED Triplet APO Refractor #S11430. 38 comments. Hope you enjoy the image! Happy Holidays! The Soul Nebula is sometimes also known as the Embryo Nebula or IC 1848, which is an emission nebula located in the constellation Cassiopeia. 00. $959. The tube weighs just 3. 5) Reducer/Flattener: William Optics FLAT7A (624mm at F/5. The W-O documentation is pretty sparse (!), but their Flat 68iii page shows the back focus adjustment for a DSLR to be “5 mm (need additional adapter)”. I'm looking forward to this coming Christmas. AstroBin is an image hosting platform and social network for amateur astronomers and astrophotographers. Great in aiding in quick diagnoses when time is of the essence. 25”-2” adapter Includes. +. Benny Sachdev. Backfocus is adjustable up to 15 mm, and, once set, is held in place by a locking ring. 3" Rack & Pinion Focuser - Space Grey Version. ر. Hot. The three-element optical design features a 91mm aperture using FPL-53 glass that delivers high contrast colour-free images and an impressive 0. The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. The three-element optical design features a 91mm aperture using FPL-53 glass. 00. Regular price $4,378 1 in stock View. Fluorostar 91 APO Triplet Refractor. Its a nice scope, but its too large to carry in my truck. 20 Ricky Graham #. ر. 510mm. CryptoTelescope/Lens: William Optics Fluorostar 91 (540 mm at f/5. William Optics Gran Turismo 81 f/5. 【Refurbished】Fluorostar 91 APO-Red . 488 votes and 14 comments so far on Reddit84Pcs M6 x 8mm,12mm,16mm,20mm,30mm,40mm Hex Pan Head Cap Bolts Nuts Screws Assortment Set 304 Stainless Steel Allen Socket Drive Machine Screws with Wrench (84PCS M6 Hex Screws Nuts) 404. add to list Tags Pegasus Astro Powerbox Advance. · 157 views I can use another set of eyes on this issue I'm running into. 25" · Antlia Luminance 1. 00. Wolf–Rayet stars are evolved, massive stars that have completely lost their outer hydrogen and are. The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. 9 Imaging APO Triplet Refractor FPL-53 - Australian Authorised dealer Add the FLAT6AIII 0. 72) Filter: Chroma 36mm HA 3nm Telescope Filter - Unmounted. Be the first to review this product . 9 Triplet APO. 510mm. $2,494. My first YouTube video! Watch as I unbox the William Optics Fluorostar 91 and give my initial thoughts and impressions. Be the first to review this product . As low as $1,568. 25" Diagonals & Erecting Prisms. The STM coatings and superb quality provide excellent optical performance and unmatched value. Extended Length. 72) Filter: Radian Telescopes 2" Triad Ultra Quad-band Narrowband Filter; Mount: Sky-Watcher HEQ5 Pro (Rowan Belt Modification for better tracking and autoguiding)“Fluorostar” is a brand name of a line of WO refractors. View full description. Putting the motor in place should be obvious at this point. The FLT 91 employs FPL-53 glass and has an optical design consisting of three elements. EUR; GBP; Need Help? +62 812 7806 1789; About Us; Order Tracking; Contact UsTechnical details Telescope: William Optics Fluorostar 91 and Fla t6AIII focal reducer/flattener (fl=432 mm). Had to fiddle with the installation as I ended up putting the mount screws into one of the focusing tighteners and so it wasnt able to focus, but once Id figured that out and used the different mounting holes on the bottom of the. Posted 07 March 2022 - 08:46 PM. Unit price. I would really appreciate any comments that my help with making choice from those that have had some experience with either scope or either. I have it, and the optics are great, but the mechanics has sag and tilt. Only 1 Left!William Optics Flourostar 91 with 3. 00. 4mm This William Optics 2" Field Flattener and Reducer has been designed to optimize the flat-field iMost of their scopes don't appear to have counterparts with any other manufacturer. The new William Optics Fluorostar FLT 91 is a three element air-spaced apochromatic refractor with a focal ratio of f/5. Page 1 of 2 - William Optics Fluorostar 91 Focuser Issue - Response from WO themselves. Both set ups look attractive and suitable to my needs. The reducers always look. Takahashi. Both about the same price. Wish List Compare. Download Manual. The 68III is at least twice as big and twice as heavy as the 6AIII. There's an initial grub screw to remove which will them expose the screws holding the gauge to the shaft. Fluorostar 91 BUY NOW New for 2021 - The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. Each subs are fives minutes long and each panel is eights hours of exposure so. The red trim has grown on me, and my wife likes it. $2,697. Hot. item 4 William Optics Fluorostar 91 FLT91 f/5. The three-element optical. William Optics Fluorostar 91 Triplet APO Refractor Telescope with 3. Add to Cart. 00-425212-01. Diameter. The STM-coatings and superb quality provide excellent optical performance and unmatched value. ) So indeed, FRA600 performs noticeably better with the reducer. Note: Adjustment Distance for DSLR and Mirrorless Cameras (and other cameras with the same backspacing) is 5. Fluorostar 91 APO. 95+. 00. Filter: Antlia 36mm OIII 3nm Narrowband Filter -. I. 25" Diagonals & Erecting Prisms. As far as adjusting the initial backspacing it can be done indoors. Back Ordered. Cloudy Nights. “続いて> FLT-91鏡筒とセットでおすすめなのがフラットナーレデューサー”FLAT6AIII”. . 9 Fluorostar. - posted in Refractors : Dear all, First and foremost, I dont have a real connection with William Optics nor am I affiliated with them, and I am not a spokesperson for them. Ive become a fan of Williams Optics. 1. 9, 132mm at f/7, and 156mm at f/7. There are also many 500 f/4 (125mm aperture) and 600 f/4 (150 mm aperture) lenses. Retracted Length. STAR 91 Ml 21 SPECIFICATION M92 M92 M83 Focal Length : 540mm Diameter : 91 mm Aperture : f/ 5. Available with red, gold or space gray accents. 7. The three-element optical design features a 91mm aperture using FPL-53 glass. You're reviewing: FLAT6AIII special edition for Fluorostar 91. Add to cart. $4,139. William Optics Fluorostar 91 / FLT91 Imaging Cameras ZWO ASI533MC Pro Mounts ZWO AM5 Filters Antlia ALP-T Dual Band 5nm 2" Accessories William Optics Flat68 III · ZWO ASIAIR Plus Software Pleiades Astrophoto PixInsight Guiding Telescopes Or Lenses ZWO 30mm Mini Guider Scope Guiding Cameras ZWO ASI120MMThe Soul Nebula is a large emission nebula located in the constellation Cassiopeia, about 7,000 light-years from Earth. If your sensor is say at 48mm or at 67mm away, you may still see curvature, or still have coma affecting your images. Fluorostar 91 APO. Fluorostar is a water-based and ultra-thin film roof coating formulated with Kynar Aquatec ®, a world renowned. add to list. The William Optics FLT 91 is the perfect apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. Lens Type Apochromatic Triplet Prime Lens Focal Length 540mm Diameter 91mmFluorostar 91. In Stock. FLO had the FLT 91 in stock in red so I took the plunge, my guide scope is the William Optics 50mm with a ZWO 290MM and the main camera is a ZWO. not quite sure on the purpose, FLAT in the name makes me think it's a flattener? DSLR Attachment - William Optics 48mm T-Ring for Canon EOS - I'm guessing I need something else to complete connection to the telescope. 00. OCAL Electronic Collimator 1 9. Having two flatteners/focal reducers is like having two telescopes with different focal lengths. 00 Original price. add to list. 9 APO Refractor in Red with 32mm UniGuide and P-FLAT6AIII. P-FLAT6AIII-M92. January 18, 2023. 30 Add to cart; Sale! Fluorostar 91 APO ₹ 203,103. Reviews. I really like what I’ve read up on William Optics and would like to purchase one. This is a NEW listing. I do however, use their instruments for astrophotography and so I was surprised by the general feedback regarding their newly released. 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. add to list. Looks like a straight fit with the WO adapter. The W-O documentation is pretty sparse (!), but their Flat 68iii page shows the back focus adjustment for a DSLR to be “5 mm (need additional adapter)”. Its a nice scope, but its too large to carry in my truck. : +1-847-513-6201. William Optics offers another model of apochromatic triplet refractor, the Fluorostar. The Zenithstar 103 has been discontinued. I’m on the verge of purchasing a new refractor, I currently have an EQ6 R pro, a SkyWatcher 200 PDS and a Canon R6. The Esprit+EQ8 are probably a "handful" in terms of handling, but I have seen people use it in they backyard without a permanent installation. Diameter. You may remember my review of the William Optics Zenithstar 61 APO, which also used this glass. Download: free Website: Thingiverse. $ 293. 3" Rack & Pinion Focuser - Available in Red, Gold, and Space Gray. William Optics Fluorostar 91 Triplet APO Refractor Technical Specifications. 8 Reducer. Equipment. $293. 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. As low as $3,298. Lens Type: Apochromatic. 9, 132mm at f/7, and 156mm at f/7. Handle for twin-monitors Fluorostar. (Pre Order)New Fluorostar 156 (With Feather Touch 3. Some of William Optics’ most well-known telescopes include: William Optics RedCat 51; William Optics RedCat 71Observing mode: 121mm Aperture size: 65mm Net weight: 2Kg Focal length: 416mm Gross weight: 2. Looking for advice on processing in PixInsight. 02. The three-element optical design features a 91mm aperture using FPL-53 glass that delivers high contrast colour-free images and an impressive 0. To see how to install the Flat6Aiii including the correct back focus go to the following link:two flatteners/focal reducers is like having two telescopes with different focal lengths. Seems like an unreleased scope with their new internal focus system. Edited by EasyQuest, 10 September 2021 - 01:34 PM. 00. FOA-60 Ortho Apochromatic Refractor. Download Manual. Vendor William Optics Regular price $1,998 Sale price save $-1,998 Unit price / per . Agena AstroProducts is pleased to carry products from the following leading astronomy brands. item 7 William Optics Fluorostar 91 FLT91 f/5. Williams Optics Fluorostar 91 Sky Watcher AZ-EQ5 Mount ZWO ASI2600MC-P 8x50 Polar Illuminated Erect Image Silver Right Angle Finder Scope Diagonal and so far a single 52degree. 8 triplet on its website. The three-element optical design features a 91mm aperture using FPL-53 glass. The three. 00. I ordered a William Optics FLT 91 Fluorostar 91mm f/5. Reviews. When I looked at the fov it matched the Esprit 100ED I was also looking into buying for imaging. 4mm. Focuser Bracket William Optics FD80. That does not mean that it cannot be used visually, with an eyepiece, for the visual observer who wants the very best image. All New Adjustable Flat6AIII with M92 thread adapter for use with the new WO FLT91 telescope (M48-threaded T-mount not included). Sh2-140 is an emission nebula in the constellation of Cepheus. View full description. . The three-element optical design features a 91mm aperture using FPL-53 glass. Fluorostar 91 APO Triplet Refractor. 00-425243-01. William Optics Fluorostar Series: Optolong L-Ultimate filter: ZWO ASI 2600MC PRO: ZWO AM5: In these collections OSC About. Providing the supreme visual and photographic performance astronomers expect from a medium sized telescope, the William Optics Fluorostar 91 f/5. In Stock. Wish List Compare. Intl. FOA-60 Ortho Apochromatic Refractor. Page 19 of 22 - WO Fluorostar 91 - new scope - posted in Refractors : Soon after I had purchased my 91mm I had added a 2nd WO Losmandy bar at the top, and then mounted the slide base for the guidecam on top of the dovetail. Astronomers desirous of superb visual and photographic intermediate sized refractor performance will much appreciate the William Optics 91 mm f/5. This is a 2 piece U Bracket that allows a BeeLink MiniPC and Pegasus Astro UBP2 to mount on top of a Fluorostar 91 scope. The FRA500 is slightly lighter and slightly smaller in length. 18, 20221. 9) Flattener/Reducer: FLAT6AIII special edition for Fluorostar 91 (432 mm at f/4. Wish List Compare 【Refurbished】Gran Turismo 81 IV-Space Grey . Remove the temperature gauge off the telescope. FLUOROSTAR TM is a thin film coating that is designed to be applied over primed and. FLAT6AIII special edition for Fluorostar 91. Dielectric Coating Diagonals; Erecting Prisms; Accessories. I have question for any owners of this scope who may have a Moonlite focuser installed on it. All New Slide-base UniGuide 32mm Scope. SKU. 9, 132mm at f/7, and 156mm at f/7. 0 mm in spacers and still the same problem. HOUSTON — Everest Systems LLC has officially launched a new, high-performance and field-applied topcoat under the Fluorostar brand name for restoring and protecting multiple types of roofing surfaces with long lasting color. The STM-coatings and superb quality provideEasyQuest. Adapters. add to list Tags Pocket Powerbox Advance Mount for C9. Free shipping. The three-element optical design features a 91mm aperture using FPL-53 glass. Sort By. f/5. WO Fluorostar 91 - $2k and similar focal length as my 80mm. I hope this helps. The new William Optics Fluorostar FLT 91 is a three element air-spaced apochromatic refractor with a focal ratio of f/5. New Fluorostar 132 (Innovative Bahtinov Mask Cover (Patented) included) 1 Review . Details. The Soul Nebula is home to a number of interesting objects, including the young open cluster of stars known as. Fluorostar 91 Mini PC / UPB2 Mount . 9AM-5:30PM CT Mon-Fri. doc 3Version 1. about 8 hrs of data over 2 nights. The three-element optical design features a 91mm aperture using FPL-53 glass. $284. The fluorostar 91 with the 0. William Optics Fluorostar 91 APO Triplet Refractor: Triplet Refractor: 91mm (3. 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. 9. The William Optics FLT 91 is the perfect apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. 【Refurbished】Fluorostar 91 APO-Red . 1. 25" · Antlia Green 1. I have a Williams Optics FLT 91 with a diagonal. Put the correct sized flex coupler on the exposed shaft and tighten the grub screws down through the hole created by the grub screw removed earlier. Extended Length. Filters: ZWO Premium LRGB Imaging Filter Set - 36mm Round Unmounted (Used only RGB) William Optics manufactures Refractor telescopes, binoculars, digital camera adapter lenses for telescopes, eyepieces, diagonals and other accessories. Whereas the WO 91 is a natural f/5. The three-element optical design features a 91mm aperture using FPL-53 glass. For the WO 1x Flat (68III), you must be 65mm. William Optics Fluorostar 91 The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a mid. 3″ Rack & Pinion Focuser ($2000) This is a good example of an APO refractor that is designed and packaged primarily for the Astrophotography market. The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. For the WO 1x Flat (68III), you must be 65mm. 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. 30 Add to cart; WO Cellphone Holder Telescope Adapter for any type of smartphones!!! Read moreThere are 91 ads in this category. 00. An Avro Lancaster bomber built in Ontario by Victory Aircraft Ltd. A-F151. OTA Weight. Gran Turismo 71 APO. 99. 3" Rack & Pinion Focuser - Gold Version. It is about 70 times more luminous than the Sun. Gran Turismo 71 APO. I selected this model because of the excellent optical quality, large number of included accessories and the avaliability of multiple options of field flatteners from William Optics. Horsehead Nebula in Narrow Band - posted in Experienced Deep Sky Imaging: Here is the Horesehead nebula, taken in narrow band with about 15hrs worth of data using the Fluorostar 91, ZWO2600MM Jump to contentHello 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. The latest scope in the FLT series is the Fluorostar 91. Images of space, taken by amateurs. William Optics Fluorostar 91 APO - Gold. 00. Now Only $1,498. Lens Type: Apochromatic Triplet Prime Lens. Details. William Optics Fluorostar 91 / FLT91 Imaging Cameras ZWO ASI2600MM Pro Mounts ZWO AM5 Filters Optolong H-Alpha 3nm 2" · Optolong OIII 3nm 2" · Optolong SII 3nm 2" Accessories William Optics Flat68 III · ZWO ASIAIR Plus · ZWO EAF · ZWO EFW 5 x 2" Software Pleiades Astrophoto PixInsightWith a focal length of 478mm, this f/5. Messier 48 can be found 14 degrees to the southeast of Procyon, the. Add to Cart. 8x reducer is almost identical FOV as the Zenithstar was, but gathers more light and faster, and the Zenithstar was not as good as the Redcat anyway. buy DETAILS. FLT 91 with the Flat 6AIII x0. Mount: Sky-Watcher EQ6-R Pro (Used iOptron Tri-pier with Adapter 8036-TK)Special Edition FLAT6AIII Adjustable Reducer / Flattener for William Optics Fluorostar FLT 91 Telescopes. 00. 00. 72) Filter: Chroma 36mm HA 3nm Telescope Filter - Unmounted. (Pre Order)New Fluorostar 156 (With Feather Touch 3.