The back focus is a critical spacing that must be obtained if one is using a Flattener or Reducer. 4 Videos. Be the first to review this product . GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. Lens Type Apochromatic Triplet Prime Lens Focal Length 540mm Diameter 91mmFluorostar 91. There are also many 500 f/4 (125mm aperture) and 600 f/4 (150 mm aperture) lenses. 91mm. Gran Turismo 81 IV. Hot. You may remember my review of the William Optics Zenithstar 61 APO, which also used this glass. Made with CNC. Price jumps out as the obvious difference $3210 vs $1999 though availability and color might be a consideration. 900. . . 00 - $2,897. 00. $67. Regular price. 25, 2022 Frames: 58. . Triplet Air spaced lens, TMB design, Triplet Air spaced lens, TMB. Heavy-Duty Focuser with Integrated Camera Rotator, Tube Rings, Soft Case and Accessories. 5x Televue Powermate (one of the best premium extenders) on William Optics FLT 91 Fluorostar (or say WO FLT 132), and use it to capture galaxies? Plan to use it with ZWO ASI 2600mm camera. WO Fluorostar 91 - new scope. 3" R&P Focuser Image Circle : >43mm Retracted Length : 441 mm Extended Length : 51 Omm Dew Shield Circumference : 383mm Dew Shield Diameter . William has absolutely accomplished his goal, and now has a number of very popular refractor telescope lines. เครื่องเล่น หูฟัง ลำโพง. I have somewhat narrowed it down between an Esprit 100 or the William Optics Fluorostar 91. I just purchased a William-Optics Fluorostar 91 telescope and Flat 68 iii field flattener, and have a question about connecting a ZWO ASI 533 MC Pro camera. This is a top of line material used in only the finest refractor telescopes. 25 , , , , , Download: free Website: Thingiverse. As low as $4,378. How to install the FLAT6AIII on the William Optics Fluorostar 91 Triplet. RGB Each 6 by 300 s. 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. All New Adjustable Flat6AIII (T-mount not included) 1 Review. $ 293. AstroBin is an image hosting platform and social network for amateur. Sh2-140 is an emission nebula in the constellation of Cepheus. $293. 00 Add to cart. The Fluorostar’s connectivity functionalities help increase workflow efficiencies in any clinical applications. Email: [email protected] Optics Fluorostar 91 / FLT91 Imaging Cameras ZWO ASI294MC Pro Mounts iOptron CEM70G Acquisition details Dates: Jan. William Optics Fluorostar Series:. $2,494. Add to Cart. Quick view Compare Choose Options. William Optics. Special Edition FLAT6AIII Adjustable Reducer / Flattener for William Optics Fluorostar FLT 91 Telescopes. 900. 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 PixInsightSky-Watcher Esprit 100ED · William Optics Fluorostar 91 / FLT91 Imaging Cameras ZWO ASI2600MM Pro · ZWO ASI294MC Mounts Sky-Watcher EQ6-R Pro Filters Astronomik CLS-CCD 36mm · Astronomik Deep-Sky Blue 36mm · Astronomik Deep-Sky Green 36mm · Astronomik Deep-Sky Red 36mm · Astronomik H-alpha CCD 6nm 36mm. Page 1 of 2 - My Fluorostar 91 has arrived - posted in Refractors : My Fluorostar 91 (FLT 91) just arrived. Equipment: Williams Optics fluorostar 91 with flattener. The three. Add to Cart. 25" Accessories ZWO ASIAIR Plus · ZWO EAF · ZWO EFW 8 x 1. FREE delivery Fri, Nov 17 on $35 of items shipped by Amazon. More Information. Important - colour may differ from photo, we will have this photographed shortly. January 18, 2023. T-FLT-91. As low as $1,998. 132K subscribers in the kolkata community. Qty. Here is my FLT 91/Reducer combo with a 2600MC, so the chip is bigger and the pixels are smaller, both of which put a larger strain on the optics. 877 arc-sec/pixel* Thus, the median FWHM of 3. FLAT6AIII special edition for Fluorostar 91 . Ken Bates. The thing you can immediately notice is the smaller overall FWHM (2. . Its a nice scope, but its too large to carry in my truck. FLAT6AIII special edition for Fluorostar 91. 0. 3″ Rack & Pinion Focuser ($2000) This is a good example of an APO refractor that is designed and packaged primarily for the Astrophotography market. 02. Mounting Rings;Telescope/Lens: William Optics Fluorostar 91 (540 mm at f/5. I recently acquired the William Optics Fluorostar 91 as both a visual and imaging telescope. 72X (TKA36580L) · William Optics Flat6A III. Telescope/Lens: William Optics Fluorostar 91 (540 mm at f/5. 00. 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. • Can be used in both autofocus and manual modes. 9 Focuser : 3. 35%. 2019 All New Adjustable Flat6AIII (T-mount not included) 2019 All New Adjustable Flat6AIll (T-mount not included) PRODUCT DESCRIPTION: Field flattener / X0. As low as $1,998. 4. 00. The visionary team of designers and engineers at William Optics spared no effort in selecting the finest. Messier 48 can be found 14 degrees to the southeast of Procyon, the. As I may sell the 100, I can live with. William Optics Fluorostar 91 / FLT91 Imaging Cameras ZWO ASI2600MM Pro Mounts Sky-Watcher HEQ5 PRO Filters Chroma Blue · Chroma Green · Chroma H-alpha 3nm Bandpass · Chroma OIII 3nm Bandpass · Chroma Red Accessories Pegasus Astro Powerbox Micro · William Optics Flat6A III · ZWO EAF · ZWO EFW 7 x 36mm SoftwareThe Fluorostar 110 is designed to work with both 1 1/4 inch and 2 inch diameter eyepieces in various focal lengths, for both daytime and nighttime viewing. William Optics FLT 156 - posted in Refractors : For those who may be interested, William Optics has just listed its Fluorostar 156 f/7. +. With a 3-element triplet design and FPL-53 glass, this William Optics 91 mm f/5. 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. In stock. . Pegasus Astro Indigo Filter Wheel (7 position, 2" or 50mm filters) 1 32. William Optics FLT 91 vs GT81 - posted in Refractors : Hi everyone, just after a bit of advice please. Other suggestions welcomed. Images of space, taken by amateurs. 9) Flattener/Reducer: FLAT6AIII special edition for Fluorostar 91 (432 mm at f/4. All New 50mm Guiding Scope. f/5. 3" ラックアンドピニオン. $656. 00. Filter: Chroma 36mm OIII 3nm Telescope Filter - Unmounted. We found other products you might like! New William Optics Flattener 68III. The William Optics FLT 91 is the perfect apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. 56% Hot. Telescope/Lens: William Optics Fluorostar 91 (540 mm at f/5. 72) Filter: Chroma 36mm HA 3nm Telescope Filter - Unmounted; Filter: Chroma 36mm OIII 3nm Telescope Filter - Unmounted; Mount: Sky-Watcher EQ6-R Pro (Used iOptron Tri-pier with Adapter 8036-TK)The William Optics Fluorostar 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. 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. View as Grid. 72) Filter: Chroma 36mm SII 3nm Telescope Filter - Unmounted; Filter: Chroma 36mm HA 3nm Telescope Filter - Unmounted;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. William Optics Fluorostar 91 Triplet APO Refractor Telescope with 3. Its always a shame to take off the visual back on these. Im looking for a reasonably sized. Filter: Chroma 36mm OIII 3nm Telescope Filter -. 00 £299. As low as $4,378. Add to Cart. 31 micron pixel camera, so 0. add to list. 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. The three-element optical design features a 91mm aperture using FPL-53 glass. 9, 132mm at f/7, and 156mm at f/7. Adapters. It is part of the large star-forming region of the Cepheus molecular nebula complex. 9 Focuser Dual Speed 3. So, if you have a filter that is 3mm thick, you need to add 1mm of spacing to your imaging train to retain the correct back focus. RotoLock Adapters; Camera / T-Mount Adapters; Mounting. Remove the temperature gauge off the telescope. Add to Cart. Download: free Website:. 72. 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. 99. Add to Cart. If your camera chip is too close or too far away, then the elements will not actually perform their intended corrections. Jay En Em. 00 Regular Price $1,568. The STM-coatings and superb quality provideEasyQuest. Install the large ring M92-M63 adaptor onto the onto the reducer - take this opportunity to make sure the optics are free from dust and keep it covered until you install it on the scope 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. 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. I would really appreciate any comments that my help with making choice from those that have had some experience with either scope or either. Page 4 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : Seems like there is a pretty large shipping fee to. Each subs are fives minutes long and each panel is eights hours of exposure so. 05 Servicemanual_Fluorostar_050201. 9 Triplet Apo Refractor. Using the appropriate T-Mount and T-ring, users can create a functional imaging setup with the FLT91. 00. Zygo test available at additional cost. Add to Cart. OK, I'm tempted by the FLT 91 I already have a WO 6A III 0. 8x reducer (6Aiii), you must be 62. 8 focal reducer, which brings the FLT 91 to a focal length of 432 mm at f/4. SH2-91. 00. As low as $3,298. Product Details. The Zone at 91-3, Victoria, British Columbia. Page 11 of 23 - WO Fluorostar 91 - new scope - posted in Refractors : Thats with the WO reducer for this scope and a QHY268. It is an active star-forming region, home to many young, hot stars that are still in the process of forming. Telescope/Lens: William Optics Fluorostar 91 (540 mm at f/5. 9. . Basic Information: Telescope: William Optics FLT 91 with FLAT 6AIII reducer. $293. As low as $1,568. The three. Fluorostar series; Gran Turismo series New; ZenithStar series; Guider series New; Finder series; Binoculars; Eye Pieces. I have the Fluorostar 91 Triplet, but. Add to Cart-23. Just ordered a Space Gray William Optics FLT 91 Fluoro Star 91mm f/5. WO Gran Turismo 81 . 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. → Refractors. William Optics FLT 91 Fluorostar 91mm f/5. So far, the stars are looking better and better as I back it out more. Dielectric Coating Diagonals; Erecting Prisms; Accessories. 9, 132mm at f/7, and 156mm at f/7. Or fastest delivery Thu, Nov 16. Next session will see me adding a total of 2mm. 95+[フォーカサー]デュアルスピード 3. is gaining a new lease on life at the B. I have question for any owners of this scope who may have a Moonlite focuser. 8x flattener hereAdd. Add to Cart. William Optics Fluorostar 91 The FLT 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a mid. 9 Imaging APO Triplet Refractor FPL-53 ProAstroz William Optics Fluorostar FLT91 f/5. Add to Cart. WarpAstron WD-17S 1 3. 9. 00. Lens Type: Apochromatic. Sort By. The 10 minute sub exposures picked up the nebulosity I wanted but starlight drowned out everything. 00. 1. The three-element optical design features a 91mm aperture using FPL-53 glass. The STM-coatings and superb quality provide excellent optical performance and unmatched value. 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. Edited by e34stx, 13 April 2021 - 04:46 AM. Details and Features. As low as $730. William Optics offers another model of apochromatic triplet refractor, the Fluorostar. Warranty: 2 jaar . 72) Filter: Chroma 36mm HA 3nm Telescope Filter - Unmounted. 9 Triplet Apo Refractor with Carry Case - Space Gr. Main Equipment, not all are listed here. Free shipping. 6 Refractor with All-New 2014 model 3. 00-425243-01. The tube weighs just 3. 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. The three-element optical design features a 91 mm aperture using FPL53 glass. 72) Filter: Chroma 36mm HA 3nm Telescope Filter - Unmounted. 00. Really enjoying the new setup. 6M subscribers in the astrophotography community. Heywood. Now Only $1,398. That, or purchase a new. 9kg (8. . 3. William Optics Fluorostar 91 Triplet APO Refractor Telescope with 3. 18, 2023 Frames: 57. 1mm from the back of the flat to the camera chip. 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. 291bs / 5. That does not mean that it cannot be used visually, with an eyepiece, for the visual observer who wants the very best image. “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”. Add to Wish List. Fluorostar comes with an excellent amount of internal storage - up to 60,000 images. Be the first to review this product . You're reviewing: FLAT6AIII special edition for Fluorostar 91. Add to Cart. 9 Fluorostar. To calculate how much back focus spacing you need to add, take the thickness of the filter and divide it by 3. 9 APO Triplet Refractor Telescope FPL-53 William Optics Fluorostar 91 FLT91 f/5. I have since added another 1. More than a playlist. Fluorostar 91 Trailer. 24 +$12. 00. 8x reducer (6Aiii), you must be 62. Adapters. The FRA is also a natural f/5. 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. The STM coatings and superb quality provide excellent optical performance and unmatched value. In Stock. The STM-coatings and superb quality provide excellent optical performance and unmatched value. Note: Adjustment Distance for DSLR and Mirrorless Cameras (and other cameras with the same backspacing) is 5. Takahashi. 9) Flattener/Reducer: FLAT6AIII special edition for Fluorostar 91 (432 mm at f/4. Part number Ganymedes: WO-A-F120GD-RP33 . 8 These are premium instruments primarily aimed at astrophotographers, but they can also be used for visual observations. 3" R&P Focuser. I can only see that the WO has a better focuser (not too much) and a thermometer, other than. The three-element optical design features a 91mm aperture using FPL-53 glass. 00 Select options. New-36. OpticsPlanet, Inc is an Authorized US Distributor for William Optics Telescopes. 8Kg Focal ratio: f/6. It is located on the edge of a vast dark complex and can be taken in long exposure. I know it becomes slow with f/13. The fluorostar 91 with the 0. 35%. 9 APO Refractor in Red with 32mm UniGuide and P-FLAT6AIII. 16, 2023 · Feb. Now Only $998. 9) triple apo. 5" Focuser) As low as $8,198. William Optics Fluorostar 91mm. I can only say that Esprit owners seem well satisfied and and the same is true of Willams Optics scope owners. Dielectric Coating Diagonals; Erecting Prisms; Accessories. High-Quality Refractor Telescopes, Binoculars, Eyepieces, Diagonals and other Optical Accessories. Now Only $998. Aperture: 91 mm. SKU. 4. Quick view Compare . Jul 18, 2022. And attached is a FWHM-Eccentricity analysis of the luminance data. . $2,697. Brands / Companies 910 ; Cameras 3302 ; Sensors 465 ; Telescopes & lenses 3721 . 95 FREE! Add to Cart. 3 shares. FLT-91 / Flat 68iii elongated stars? - posted in Experienced Deep Sky Imaging: First light on my W-O Fluorostar 91 / Flat 68iii, and could use some advice. Jack uses a William Optics Fluorostar (FLT) 91. 17Kg. 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. Fluorostar 91 Trailer. Be the first to review this product . SKU. Mounting Rings;Business, Economics, and Finance. Combined with the Flat7A flattener by William Optics, it produces a fast aperture ratio of f/5. 4mm spacing is more or less a. Started by mewmartigan , Sep 09 2020 06:02 AM «. Focuser. Most of the work went into de-emphasizing the stars to make the nebulosity stand out. The three-element optical design features a 91mm aperture using FPL-53 glass. Altair Wave Series 115 F7 ED Triplet 1 6. 00. I personally own and enjoy the William Optics FLT 132 apochromatic refractor, and can attest to the exceptional image quality of the Fluorostar series. Write Your Own Review. The three-element optical design features a 91mm aperture using FPL-53 glass. Extension Tube Length. Ah used telescope stuff! I have always enjoyed finding a deal – boats, cars, jewelry (for my significant other of course), and yes, telescopes – well you name it, I am into getting a deal. My current SW 100ED APO is a fine scope but as I tend to be a "grab n go" kind of guy, the shorter tube of the FL 91, mounted on my Porta II really appeals to me. Apochromatic Triplet Prime Lens. SKU. 510mm. William Optics Fluorostar 91 Apo Triplet William Optics Flat 6A III 0. add to list Tags Pegasus Astro Powerbox Advance. 25" Diagonals & Erecting Prisms. This is a top of line material used in only the finest refractor telescopes. 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. 0. 99. 0 Items - $0. 00. Im trying to sort out the best way to diagnose and adjust out the tilt (I assume its tilt) Im seeing on my FLT91 setup. 38 comments. Experience the best of the line: the Williams Optics FLT151 Triplet APO f/6. (Pre Order)New Fluorostar 156 (Innovative Bahtinov Mask Cover (Patented) included) As low as $7,398. William Optics Fluorostar 91 / FLT91 Imaging Cameras ZWO ASI2600MC Pro Mounts Sky-Watcher EQ6-R Pro Acquisition details Dates: Feb. º 5477779_1 GE OEC Medical Systems GmbH. Quick view Compare Choose Options. TALK TO AN EXPERT : 919833974700. Description For FLT 91 ONLY! Special edition flattener/reducer with adapter for the Fluorostar 91 telescope. Both the Fluorostar 91 and Redcat 71 are dropping in the December/January time frame. 4. WO Fluorostar 91. Qty. 9, 132mm at f/7, and 156mm at f/7. The ZWO EAF will definitely fit on the coarse focus knob on left side. Business, Economics, and Finance. Extension Tube Length. If I had to do it over again, I would completely skip the Zenithstar. I have the Redcat 51 and loved the quality. I found a great deal on a used William Optic Fluorostar 91 APO with the. It is about 70 times more luminous than the Sun. More Information. A-F120. 5599179_3 GE OEC Fluorostar Compact/Series 17. Posted 07 March 2022 - 08:46 PM. Hot. William Optics Fluorostar 91 FLT91 f/5. 75") 933: William Optics Gran Turismo 71 APO Refractor with Flattener: Triplet Refractor: 71 mm (2. 72) Filter: Chroma 36mm HA 3nm Telescope Filter - Unmounted. 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). • Flexible installation for use on a variety of refractors, Newtonians, schmidt cassegrain and other Optical TubeWilliam Optics Fluorostar 91 / FLT91 Imaging Cameras QHYCCD QHY268 Pro M Mounts Software Bisque Paramount MX+ GEM Filters Chroma Blue 36 mm · Chroma Green 36 mm · Chroma H-alpha 3nm Bandpass 36 mm · Chroma Lum 36 mm · Chroma Red 36 mm Accessories William Optics Flat6A III SoftwareWilliam Optics Fluorostar 91 / FLT91 Imaging Cameras ZWO ASI2600MC Pro Mounts Celestron Advanced VX Filters Optolong L-eNhance 2" Accessories William Optics 0. Add to Cart. 5mm to sensor) Im guessing that everyones spacing may be slightly different and even WO basically says the 5. As low as $53.