Lens Type Apochromatic Triplet Prime Lens Focal Length 540mm Diameter 91mm Aperture f/5. 25" Diagonals & Erecting Prisms. 9, 132mm at f/7, and 156mm at f/7. The STM coatings and superb quality provide excellent optical performance and unmatched value. I really like what I’ve read up on William Optics and would like to purchase one. $99. This very elegant 2" reducer/field flattener has been designed to optimize the flat-f. . 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. Rated 0 out of 5 $ 1,698. 38 comments. 72. 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. Transfer easily. FLUOROSTAR TM is a thin film coating that is designed to be applied over primed and. 9, 132mm at f/7, and 156mm at f/7. 9) Flattener/Reducer: FLAT6AIII special edition for Fluorostar 91 (432 mm at f/4. Apochromatic Triplet Prime Lens. CryptoTelescope/Lens: William Optics Fluorostar 91 (540 mm at f/5. 8Kg Focal ratio: f/6. handle for cover MC5. . Ha 36 by 600 s. Wish List Compare. 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? 2y. 3″ Rack & Pinion Focuser ($2000) This is a good example of an APO refractor that is designed and packaged primarily for the Astrophotography market. Its always a shame to take off the visual back on these. I know it becomes slow with f/13. Fluorostar is a water-based and ultra-thin film roof coating formulated with Kynar Aquatec®, a world. 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. 00. I'm looking forward to this coming Christmas. 9, 132mm at f/7, and 156mm at f/7. When I looked at the fov it matched the Esprit 100ED I was also looking into buying for imaging. View full details Original price $2,697. 9 Focuser : 3. 91mm. Though it could also be sensor tilt. ASKAR FRA400 Quintuplet refractor with 72mm aperture and f/5. 00. 40mm. $8,898. Wish List Compare 【Refurbished】Gran Turismo 81 IV-Space Grey . 3" Rack & Pinion Focuser - Gold Version. 1. The three-element optical design features a 91mm. 72) Filter: Chroma 36mm HA 3nm Telescope Filter - Unmounted. The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. Altair Wave Series 115 F7 ED Triplet 1 6. leaning towards the latter. I'm testing out a new scope and flattener/reducer. My first YouTube video! Watch as I unbox the William Optics Fluorostar 91 and give my initial thoughts and impressions. Wish List Compare. 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. These corrective optics work best at a specific distance away from their glass elements, most commonly 55mm. Focuser Bracket William Optics FD80. 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. The Fluorostar’s connectivity functionalities help increase workflow efficiencies in any clinical applications. 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. Canon EF, RF Nikon F, Z Sony E Pentax K Micro Four Thirds (M4/3) FUJI X. The FLT 91 is an Apochromatic refractor with a focal length of 540 mm and an aperture of f/5. Add to Cart 3 in stock Yes, our inventory is accurate! See It In Person - On Display In Our Showroom!. Really enjoying the new setup. William Optics Fluorostar Series: Optolong L-Ultimate filter: ZWO ASI 2600MC PRO: ZWO AM5: In these collections OSC About. William Optics Fluorostar 91 0. In stock. William Optics. Diameter. Download: free Website: Printables. Add to Cart. 9 APO Refractor in Red with 32mm UniGuide and P-FLAT6AIII. 00 Select options. 900. 62. 1. Do you have a. 00. 25 inch RotoLock) 2019 All New Slide-base 50mm UniGuide Scope (with a Unique 1. That is just about the limit of the sky, guiding and diffraction limit for a 91mm aperture. 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. FLAT6AIII special edition for Fluorostar 91 . I hope this helps. Gran Turismo 81 IV. Lo scorso anno avevo presentato sulle pagine di Binomania due rifrattori WIlliam Optics da 61mm e 81 mm della serie Zenithstar. Can I use a 2. Our Price: $1,998. I ordered a William Optics FLT 91 Fluorostar 91mm f/5. Pier Extension for AM5 Mount. STAR 91 Ml 21 SPECIFICATION M92 M92 M83 Focal Length : 540mm Diameter : 91 mm Aperture : f/ 5. Fluorostar. Rated 0 out of 5 $ 1,998. The three-element optical design features a 91mm aperture using FPL-53 glass. Posted 07 March 2022 - 08:46 PM. Great in aiding in quick diagnoses when time is of the essence. 3" R&P Focuser. 6 focal ratio, ideal for wide-field imaging of the deep sky Petzval design ensures flat field across 44mm image circle, while two ED elements virtually eliminate chromatic aberration Rotatable 3” rack-and-pinion focuser, M68-M48 adapter, 2” adapter ring, and 1. 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. 8 in 150 mm aperture. The STM-coatings and superb quality provide excellent optical performance andFluorostar 91 Mini PC / UPB2 Mount . Telescope/Lens: William Optics Fluorostar 91 (540 mm at f/5. Jul 18, 2022. All New Adjustable Flat6AIII with M92 thread adapter for use with the new WO FLT91 telescope (M48-threaded T-mount not included). With a 3-element triplet design and FPL-53 glass, this William. WO Fluorostar 91 FPL 53 Triplet - posted in Refractors : Ive been using a Zhumell 130 dob for several months. 100+ bought in past month. 00. 72) Filter: Chroma 36mm HA 3nm Telescope Filter - Unmounted; Filters: ZWO Premium LRGB Imaging Filter Set - 36mm Round Unmounted (Used only RGB)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. 2019 All New Slide-base 50mm UniGuide Scope (with a Unique 1. RGB Each 6 by 300 s. WO is offering a special edition Flat6AIII, it's the same FF/FR, but it. An Avro Lancaster bomber built in Ontario by Victory Aircraft Ltd. Add to Cart. The features of the Fluorostar 91 RotoLockWilliam Optics Fluorostar 91 FPL53 Triplet APO Refractor with 3. I am fairly new to Astro (about 8 mo) as my first scope is a Celstron 8SE. 30 Add to cart; Sale! Fluorostar 91 APO ₹ 203,103. · 157 views I can use another set of eyes on this issue I'm running into. My question is, will I notice a substantial improvement in the quality/ resolution of my images with a new scope? I'm looking at a 90mm triplet such as the StellaMira 90mm ED Triplet or the William Optics Fluorostar FLT 91, basically the biggest, fastest scope my mount will cope with. William Optics Fluorostar 91 Triplet APO Refractor Telescope with 3. Wish List Compare. 56% Hot. The William Optics FLT 91 is the perfect apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. Aperture (mm): 120Equipment explorer: William Optics Fluorostar 91 / FLT91 AstroBin's equipment database is entirely maintained by the community. 69 arc-seconds. Telescope Accessory - William Optics FLAT 6A III 0. Wish List Compare. 0 mm in spacers and still the same problem. Its a nice scope, but its too large to carry in my truck. 4 Image circle: 44mm Objective lens: Quintuplet air-spaced APO (including two ED glass)William Optics Fluorostar 91 Triplet APO Refractor Telescope with 3. As low as $3,298. RotoLock Adapters; Camera / T-Mount Adapters; Mounting. 25" · Antlia Red 1. Fluorostar 91 APO. add to list Tags Pegasus Astro Powerbox Advance. Not that this was with a 2. Hey, Brian, FWIW, I'd avoid the FLT 91. 99. It is an active star-forming region, home to many young, hot stars that are still in the process of forming. Just ordered a Space Gray William Optics FLT 91 Fluoro Star 91mm f/5. º 5477779_1 GE OEC Medical Systems GmbH. The FLT 91 is a superb instrument and I will be using it regularly when the nebula season returns this summer. Add to Cart. Quick view Compare Add to Cart. The Zenithstar 103 has been discontinued. Wish List Compare. com. Product Details. 95+[フォーカサー]デュアルスピード 3. Starts at $1998. . N. 00. Be the first to review this product . 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. Naturally, they had a non-EC show up as in stock the next day. P-FLAT6AIII-M92. 9) Flattener/Reducer: FLAT6AIII special edition for Fluorostar 91 (432 mm at f/4. 3" Rack & Pinion Focuser - Gold Version. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. 8 Guiding Cameras ZWO ASI290MM Mini Acquisition details Dates: April 14, 2021Page 15 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : FLT91 > Flat 6AIII @ 5. This scope is amazing, and huge shout out to AgenaAstro for getting me this in su. I have since added another 1. Fluorostar series; Gran Turismo series New; ZenithStar series; Guider series New; Finder series; Binoculars; Eye Pieces. item 8 Sky-Watcher Esprit 150mm ED Triplet APO Refractor #S11430 Sky-Watcher Esprit 150mm ED Triplet APO Refractor #S11430. Was wondering what people thought of them. 5" Focuser) As low as $8,198. 7. The three-element optical design features a 91mm aperture using FPL-53 glass. 9 APO Triplet Refractor Telescope FPL-53. 9 Imaging APO Triplet Refractor FPL-53 - Australian Authorised dealer Add the FLAT6AIII 0. Focal Length. 8 works well on light mounts (as well as big ones). Fluorostar 91 APO . I couldnt get focus until I figured out to remove it. Victoria’s modern rock @ 91. (The pixel size is 4. Here is my imaging train: William Optics Fluorostar 91 FPL53 Triplet APO Refractor William Optics FLAT6AIII x0. Add to Cart. Wish List Compare. Images of space, taken by amateurs. As low as $4,378. I'm also including the Flat 6AIII 0. Swap to the smaller Allen key and with a torch find the two screws at 45 degrees so just rotate the focus adjuster to see them. The three-element optical design features. The STM coatings and superb quality provide excellent optical performance and unmatched value. 1mm from the back of the flat to the camera chip. William Optics Fluorostar 91 Triplet APO Refractor Technical Specifications. Intl. Be the first to review this product . . . Add to Wish List. There are a few superficial scratches on the tube but the optics are great. 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 294MC. WO Fluorostar 91 - new scope. 00. William Optics Fluorostar 91 / FLT91 Imaging Cameras QHYCCD QHY183C Mounts iOptron CEM26 Software Pleiades Astrophoto PixInsight · Russell Croman Astrophotography BlurXTerminator · Russell Croman Astrophotography NoiseXTerminator · Stefan Berg Nighttime Imaging 'N' Astronomy (N. The STM-coatings and superb quality provideEasyQuest. To me, it looks like the scope for observers and imagers who want go greater than four inches but cannot afford the FLT 132 cost and weight but want something bigger than the FLT 91 and sticking with William Optics for the colors build quality. 00. Fluorostar 91. Warranty: 2 jaar . 72X (TKA36580L) · William Optics Flat6A III. 2y. 00 My account / Register. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. 25" WA 1. The visionary team of designers and engineers at William Optics spared no effort in selecting the finest. T-FLT-91. Page 1 of 2 - My Fluorostar 91 has arrived - posted in Refractors : My Fluorostar 91 (FLT 91) just arrived. 00. The eccentricity plot has a weird looking, but it's rather uniform, from 0. View as Grid. 8 focal reducer, which brings the FLT 91 to a focal length of 432 mm at f/4. I bought it used and I know I need to do a factory reset on it. The three-element optical design features a 91mm aperture using FPL-53 glass. 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. Not super happy with the debugging. 9 and reduces to f/4. 00. My camera is an ASI. The three-element optical design features. William Optics. And attached is a FWHM-Eccentricity analysis of the luminance data. I was also lucky enough to find the 0. Because of. Add to Cart. Nickname. Fluorostar 120. 00 - Original price $2,897. 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 Aries Productions Astro Pixel Processor (APP) · Pleiades Astrophoto PixInsightWilliam Optics Fluorostar 91 / FLT91 Imaging Cameras ZWO ASI294MC Pro Mounts iOptron CEM70 Filters Optolong L-Ultimate 2" Accessories Primaluce Lab EAGLE4 Software Pleiades Astrophoto PixInsight Guiding Telescopes Or Lenses William Optics UniGuide 50 Guiding Cameras ZWO ASI120MM MiniTakahashi FSQ-106EDP · William Optics Fluorostar 91 / FLT91 Imaging Cameras ZWO ASI2600MC Pro Filters Optolong L-Pro 2" Accessories Takahashi 645 Reducer QE 0. 3" Rack & Pinion Focuser - Space Grey Version. Filters: Chroma SHO 3nm - 36mm. Back Ordered. OK, I'm tempted by the FLT 91 I already have a WO 6A III 0. SWAN 2" SWAN 1. . Whether you call it The City of Joy or by its former name Calcutta, this city has…Using this adjustable field flattener makes astrophotography with the William Optics 73 mm ZenithStar APO Refractor even better. C. Glass is the same, but you can pay extra for the report on the WO. The FLT91 Fluorostar lens is designed to be compatible with various camera mounts, including Canon EF and RF, Nikon F and Z, Sony E, Pentax K, Micro 4/3, and Fuji X T-Mounts. 4mm. Only 1 Left!William Optics Flourostar 91 with 3. Add to Cart. Add to Cart-23. $293. Takahashi. QC issues described here are something that one would not expect from such established producer. As low as $1,998. Equipment Check - posted in Equipment (No astrophotography): Noob here, just want someone to sanity check my start up of my newest hobby. The confused or confusing information that WO puts out re 68III backfocus is unhelpful as has been noted. Mount: Sky-Watcher EQ6-R Pro (Used iOptron Tri-pier with Adapter 8036-TK)Telescope/Lens: William Optics Fluorostar 91 (540 mm at f/5. 510mm. Now Only $1,398. 34 degrees X 1. WO FLT91 and Moonlite Focuser - posted in Refractors : Yeah, yeah! Go ahead and blame me for the beautiful weather. Add to Cart. Identical to the standard FLAT6AIII optically but with an additional adapter to fit the FLT 91 telescope. 9) Flattener/Reducer: FLAT6AIII special edition for Fluorostar 91 (432 mm at f/4. Service_manual_GE_OEC_Fluorostar_7900. As low as $3,298. EAF Manual EAF Manual EN V1. Email: [email protected] Optics Fluorostar 91 / FLT91 Imaging Cameras ZWO ASI294MC Pro Mounts iOptron CEM70G Acquisition details Dates: Jan. 9 aperture, this Fluorostar model strikes a balance between a wide field of view and detailed imagery, ideal for casual, serious stargazers and wide field imagers. If your camera chip is too close or too far away, then the elements will not actually perform their intended corrections. Benny Sachdev. 0. Whereas the WO 91 is a natural f/5. Wish List Compare 【Refurbished】Gran Turismo 81 IV-Space Grey . add to list Tags BEE-LINK SER5 Pro wall mount and USB Drive Carrie. Fluorostar 91. 72) Filter: Chroma 36mm HA 3nm Telescope Filter - Unmounted. FOA-60 Ortho Apochromatic Refractor. 813. The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. 3. Price jumps out as the obvious difference $3210 vs $1999 though availability and color might be a consideration. William Optics Fluorostar 91 (See my sig line) Astrophotagraphy. I have a Williams Optics FLT 91 with a diagonal. 25" · Antlia Green 1. All reactions: 155. Seems like an unreleased scope with their new internal focus system. ln. 0 mm in spacers and still the same problem. Add to Cart. The red trim has grown on me, and my wife likes it. Im having trouble finding honest reviews on the Fluorostar 93. Download Manual. 焦点距離はx0. 00. 75 thread on the opposite end. William Optics Fluorostar 91 by William Optics. Fluorostar comes with an excellent amount of internal storage - up to 60,000 images. Hours of Operation. 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 PixInsight Guiding Telescopes Or Lenses. Step 5: set the Fluorostar 91's focal length to 21mm. With twin handles that double as shoulder straps, allowing the case to be used as a rucksack, and additional. Showing 40 ads per page. T-FLT-91. Sh2-140 is an emission nebula in the constellation of Cepheus. 2. doc Adjustment from the. The FRA500 is slightly lighter and slightly smaller in length. 1 65kg (OTA only) 1 2. 25" Accessories ZWO ASIAIR Plus · ZWO EAF · ZWO EFW 8 x 1. . 00. 180. 16, 2023 · Feb. The fluorostar 91 with the 0. Hot. 8 Reducer. $284. : +1-847-513-6201. 00. . William Optics Fluorostar 91 Imaging Cameras ZWO ASI2600MC Pro Mounts iOptron CEM40 Accessories ZWO OAG · ZWO ASIAir Pro · William Optics Flat6AIII Software Astro Pixel Processor · Pixinsight 1. 95+ Strehl. Images of space, taken by amateurs. Sky-Watcher Explorer 130PDS 12. ขายกล้องดูดาว William Optics Fluorostar 132 F/7 OTA Red ในราคาที่คุณถูกใจ. The FLT 91 is the perfect apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. 00 Regular Price $1,998. 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. 86 shipping. 9 and a focal length of 540mm. Arriving in a single box, the William Optics Fluorostar FLT 91 was protected in a robust and well-padded soft carry case. The three-element optical design features a 91mm aperture using FPL-53 glass. Hot. 877 arc-sec/pixel* Thus, the median FWHM of 3. Optional. 3" ラックアンドピニオン. Add to Cart. For fun I want to have a double star shoot out with my trusty old 90 mm F10 SW achromat. Id like to think Ive come up to speed fairly quickly on. 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. FLAT6AIII special edition for Fluorostar 91 . I've tried multiple back focus adjustments and have adjusted the adjustable flattener/reducer. This flattener contains a 63 mm opening on one end that threads into the telescope, and an M48x0. William Optics Fluorostar 91 The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a mid. 8x for Fluorostar 91 - suggested by web store. A few months ago I was honored to be named an Ambassador for William Optics, and three weeks ago I received the new WO Fluorostar 91 to test (. 9. Now Only $998. Qty. I have somewhat narrowed it down between an Esprit 100 or the William Optics Fluorostar 91. 07 pixel) compared to the case without a reducer (2. Add 30 Minute Product Setup Appointment with Gear Expert to your order. The deep-sky imaging performance of that little APO is what. Review. FOA-60 Ortho Apochromatic Refractor. add to list. 3 shares. 5mm to sensor) Im guessing that everyones spacing may be slightly different and even WO basically says the 5. 00 ₹ 369,310. 00. 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. Be the first to review this product . We would like to show you a description here but the site won’t allow us. Am I on the right lines?WO Fluorostar 91 FPL 53 Triplet - posted in Refractors : Ive been using a Zhumell 130 dob for several months. Page 4 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : Seems like there is a pretty large shipping fee to. All New Adjustable Flat6AIII (T-mount not included) 1 Review. . Page 4 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : Seems like there is a pretty large shipping fee to. 00. WO Fluorostar 91 - $2k and similar focal length as my 80mm. Not managed to use my new FLT 91 yet, still waiting to source a Skywatcher EQ6 R Pro mount. 00. 3″ Rack & Pinion Focuser ($2000) This is a good example of an APO refractor that is designed and packaged primarily for the Astrophotography market. William Optics Gran Turismo 81 f/5. The three-element optical design features a 91mm aperture using FPL-53 glass. 72) Filter: Chroma 36mm HA 3nm Telescope Filter - Unmounted. 8. 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. 6 Refractor with All-New 2014 model 3. I can only see that the WO has a better focuser (not too much) and a thermometer, other than. cþl 22mm Weight : 9. Regular price $4,378 1 in stock View. 1Enjoyed a full night with a new rig consisting of WO FLT 91 and AM5 mount. 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. In stock.