The flattener slips into the 2" focuser. A high-quality, non-focal-reducing Field Flattener optimised for DSLR imaging on refractor telescopes with focal ratios around f/5.5 to f6.0. 0.85x Focal Reducer/Flattener. This is not an issue for visual observations as eyepieces can partially compensate this aberration. For example, a 0.8x reducer placed at the working distance provides a reduction of $298.00. Astro-Physics. Containing Multi-Coated optics and housed by a sturdy but light weight aluminum body, Model: skywatcher_field_flattener. For the Perfect field for astrophotography, all at BuyTelescopes.com. Flattener / Reducer / Correctors. The M42x0.75 adapter adds 3 mm, so the sensor needs to be 52 mm from the face of the adapter. Field Flattener, Focal Reducer. Viewing 1 - 24 of 91 products. Here I show you what to measure and how to measure it. fully illuminated and corrected field diameter D=42mm; This Reducer/Flattener is designed for Triplet APO telescopes. Orion Field Flattener for Short Refractors. It will provide good illumination and flat field across 97% of full frame sized sensors. 48mm T mount for Canon EOS - Space Gray. Field Reducers and Flatteners from Takahashi, Optec, Borg and TeleVue. Used in prime-focus imaging, reducers increase photographic speed while flatteners decrease image curvature away from the center. This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7.5 ratio refactors. Refractors are affected by field curvature no matter what brand or diameter. Focal Reducer/Field Flattener for SVR102T and SV102-ACCESS. Celestron 0.7x Reducer for EdgeHD 925 (1) 439.00 Add to Basket. Full frame size. 3) Resize and co-register the RGB to the luminance in Registar. Designed with M63 threads on the telescope side, the Field Flattener and Reducer will thread directly into the telescope. Regular price $479.99 Unit price / per . Contact Us. Viewing 1 - 24 of 91 products. Full frame size. The M42x0.75 adapter is 6.25 mm thick with a working length of 1.8 mm. The Meade f/6.3 Focal Reducer/Field Flattener (4-element, 41mm diameter, multicoated lens elements) # 07545 threads on to the rear cell of any Meade SCT telescope or to other Schmidt-Cassegrain telescope brands. Compatible with both APS-C and full frame sensors, APS-C (crop sensors) and smaller recommended 55mm back focus Drops f/ratio from native f/5.8 (420mm) to f/4.93 (355mm) Reduces exposure time by 38% compared to native f/5.8 5.8 x 3.87-degree field of view when used with a full frame camera 3.79 x 2.53-degree field of v Part Number: 20225. $86.00. Features of William Optics 2" APO Apochromatic Field Flattener and 0.8x Focal Reducer for 66mm to 90mm Refractors WE-FLAT-2: This very elegant 2 reducer/field flattener has been designed for optimal results with the 66mm series of telescopes, although it is functional also with other 80 or 90mm refractors. Tele Vue DIOPTRX Astigmatism Corrector - 2.50 # DRX-0250 . The flattener is all you would want with a crop sensor. The Super-Transmission-Coated with 2-element lens system was designed and produced by William Optics, the inner flattener lenses can be set at the optimum 66mm-86mm back focus distance (Distance from flattener lens to film or CCD plane). SKU: SFFR-70APO. $479.99. New for August 2021, thread on adatper tops to choose between 42mm T-threads and 48mm T-threads. Toggle navigation 0. There are four new models of the Astro-Tech focal reducers and field flatteners designed to fit specific Astro-Tech refractor telescopes which include: AT80ED .8x Reducer/Flattener: The dedicated fully-multicoated Astro-Tech AT80EDRF converts the 560mm focal length f/7 Astro-Tech AT80ED refractor into a 448mm f/5.6 system. Designed with nearly Full frame chip-size DSLR cameras in mind. Contact Us. The M42x0.75 adapter is 6.25 mm thick. To use a telescope for photography an optical device is needed to convert your telescope from a visual instrument to a photographic camera lens. 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. Recommended for our 127mm and 152mm refracting telescopes, this field flattener/focal reducer boasts fully multi-coated optics and comes with 2 adapters to accommodate different focuser sizes. I think with the Equinox at f6.25 it should be good enough to get started with. May be used to increade field of view and reduce magnification for visual applications. Designed specifically for SV503 70mm, 80mm, and 102mm f/7 ED Refractor. In this article, well go over why back focus spacing is so important to get right, everything to consider for back focus spacing, and how to use adapters and spacers to get your back focus spacing perfect. Free Shipping Available . Tele Vue 0.8x Photographic Field Reducer and Flattener. $218.00. The Reducer/Field Flattener offers a wider field of view through your system, working to decrease the focal length of your system. The field flattener/focal reducer offers 55 mm of back focus from the rear flange. 3" Field Flattener .7x Focal Reducer for ED APO 152mm 127mm 140mm Refractor . 1 of 1. $86.00. Celestron .7x Reducer Lens for EdgeHD 925 # 94245 . This Flattener was designed to reduce the focal length of the Meade Series 6000 APO Refractors to expand the field of view with the camera being used. Reduces Focal Length by 20%; Widens Field & Shortens Exposure Time; The Reducer/Field Flattener offers a wider field of view through your system, working to decrease the focal length of your system. Regular price $479.99 Unit price / per . WO Flat6A lll will provide good illumination and flat field across 97% of full frame sized sensors. Free US Shipping. Sale Sold out. The 0.8X focal reduction converts the an f-7 refractor to f-5.6. Free Shipping Available . Vendor Explore Scientific MFG Part: FFFR507X-00. Explore Scientific Zero X Field Flattener 2 Inch M48 for ED80 and ED102. Browse our full product choice for the tools and merchandise you need to tackle the task at hand. The new v2 of the EvoFF has a 55mm backfocus and is now compatible with DSLRs as well as popular astronomical CMOS and CCD cameras. Reducer / Flattener; Correctors; Coma Correctors; Brands. Information; Reviews (0) Article number: TKA20580B: Availability: Order Now! For the correct adjustment the reducer/flatener includes a adjustment flange. The APO triplet optics of the Field Flattener and Reducer was made with Ohara glass and fully multi-coated to provide good illumination and a beautifully flat field across 97% of full frame sensors. They turn almost every refractor, Newtonian or other telescope into an astrograph. Field Flattener, Focal Reducer. SCA Damps Vibration The all-around adjustable tightness rubber contact damps unwanted vibrations from the telescope provides you a sturdy attachment on your telescope for a stable image capture. It will provide good illumination and flat field across 97% of full frame sized sensors. Apex ED .65 Reducer Flattener Motor Focusers Motor Focusers. Reducer/Field Flatteners For CCD, photographic, and visual applications. The SkyWatcher field flattener and reducer for the Evostar 72ED transforms your telescope into a professional astrograph. Reducer / Flattener. William Optics 2" APO Field Flattener and 0.8x Focal Reducer WE-FLAT-3 is part of our massive variety of . Much appreciated. The Reducer/Corrector is easy to install by threading the unit onto the rear cell of your Schmidt-Cassegrain telescope (or the reducer plate of the C11 and C14). Free US Shipping. William Optics Adjustable 0.8x Reducer / Field Flattener 73R for Z73 Telescope # P-FLAT73R . MSRP: Was: Now: $969.00. a modified 5D and the FLT110. Field Flattener, Focal Reducer. 2) Remove the reducer and shoot the galaxy in luminance. A reducer is in a sense the opposite of a barlow: It focuses the light from the scope to a smaller area, the effect is a shorter focal ratio and a smaller image circle. MicroTouch Wired MicroTouch Wireless Hyperion Astrograph Hyperion Astrograph. All New Adjustable Flat6AIll field flattener (T-mount not included) Field flattener / X0.8 Reducer. An important advancement in high-resolution focal reduction systems, the Meade 4-element, multi-coated f/6.3 Focal Reducer/Field Flattener threads on to the rear cell of any LX90, LX200 or other Schmidt-Cassegrain model and is typically used with an Off-Axis Guider or T-Adapter. To connect to the 2.5 hex focuser, purchase item number 510366. These reducers can also be used for visual observing with SCT scopes with eyepieces with a field stop as large as 24-27mm. For both imaging and visual observing, these reducers also improve image sharpness at the edge of the field by correcting for coma and field curvature. Features of William Optics 2" APO Apochromatic Field Flattener and 0.8x Focal Reducer for 66mm to 90mm Refractors WE-FLAT-2: This very elegant 2 reducer/field flattener has been designed for optimal results with the 66mm series of telescopes, although it is functional also with other 80 or 90mm refractors. The Meade focal reducer comes in a small box. Full frame size. Petzval telescopes aside, where the field curvature is corrected in the telescope, if you are using a refractor for deep sky astrophotography, then you need a field flattener to correct for the field curvature of your instrument. The new FC/FS Multi-Flattener 1.04X is designed as a universal replacement to previous flatteners in the FS and FC series of fluorite doublet telescopes. This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7.5 ratio refactors. The APO triplet optics of the Flat6AIII are made with Ohara glass and fully multi-coated to provide good illumination and a beautifully flat field across 97% of full frame sensors. $544.55. It reduces the telescopes focal ratio by a factor of 0.63. Full frame size. Sky-Watcher has taken the last 8 years worth of user input and data from their ground-breaking portable AZ-GTi and Star Adventurer camera tracker and put it to good work in their next portable astroimaging platform. Full frame size. 229.00 Inc VAT & Warranty. TAKAHASHI REDUCER / FLATTENER FOR MEWLON . 169.00 Inc VAT & Warranty. Takahashi's field flattener uses a two element design. The flattener has an optical diameter of 45.5 mm and offers reduced vignetting compared to narrower T2 types. 1) Shoot the target with flattener in RGB or LRGB. 3" FIELD FLATTENER .7X FOCAL REDUCER. This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7.5 ratio refactors. Quick view. Low Stock. New Adjustable Flat73A for Z73. In stock. Apex ED .65 Reducer Flattener Motor Focusers Motor Focusers. Add to Cart. Corrective optics are a very important component, especially in astrophotography. Field Flatteners and Reducer/Flatteners. For the Perfect field for astrophotography, all at BuyTelescopes.com. Reducer/Field Flatteners For CCD, photographic, and visual applications. $408.18. It will provide good illumination and flat field across 97% of full frame sized sensors. The amount of reduction is simply the percentage by which a reducer shortens the effective focal length of a telescope and is calculated as (1 Reduction Factor) x 100%. Using Photographic Field Flatteners (and Reducer/Flatteners) Refractor telescopes are made to be used visually with an eyepiece. * Sign up for our Newsletter. Meade's Focal Reducer/Field Flattener is a fully multi-coated, 3 element design to help the astro-photographer capture wide field photographs of the night sky with the Series 6000 APO's. 177g / 6.24oz / 0.39lb. It will provide good illumination and flat field across 97% of full frame sized sensors. WO Flat 6AIII will provide good illumination and flat field across 97% of Inside the case is the focal reducer with caps on both ends. TS PHOTOLINE 2" Flattener and Field Corrector for Refractors With the TSFLAT2, a professional field corrector for apochromats, EDs and normal Fraunhofer achromats is available to the astrophotographer. Vendor Explore Scientific MFG Part: FFFR507X-00. This revolutionary new WO AFR-IV Adjustable Flattener / 0.8x Reducer was made for 500-1000mm refractors. Availability - In stock. The 2" Field Flattener Accepts 2" Filter Thread The field flattener corrects the inherent spherical aberration of curved lenses which, if left uncorrected, causes images to appear distorted at the edges of the field of view. (That's the fly in the ointment if you don't have it. Low Stock. Price: $179.00 . VAT) Nikon DSLR 0.8x Reducer Flattener kit for Starwave 70ED F6 Refractor 119.00 99.17 (ex. Standard 2" filters can be added to the reducer/flattener when imaging. Field Reducers and Flatteners from Takahashi, Optec, Borg and TeleVue. Designed with nearly Full frame chip-size DSLR cameras in mind. The EvoFF is compatible with cameras having APS (28mm) or smaller sensors. Provides much improved field-edge correction. Designed with nearly Full frame chip-size DSLR cameras in mind. The field flattener corrects the inherent spherical aberration of curved lenses which causes distortion at the edges of the field of view. Our Price: $134.00. Meade f/6.3 Series 4000 Focal Reducer/Field Flattener. $29.00. $829.00. Super high precision COPPER T mount for Nikon full frame Cameras. Atlanta Hobby Ships Worldwide! While this Astro-Tech #ATR8 0.8X reducer/field flattener is designed for prime focus astrophotography with quality f/6 focal ratio apo refractors such as the Astro-Tech AT72ED and AT130 apo, it will also work well with Astro-Tech and other brand refractors in the f/5.5 to f/7 range that use a 2" focuser. Please be noted that these are just examples for 55mm back focal length, you need to know the back focal length of your reducer and flattener first and then arrange the adapters. Required exposure times are hence shorter and the optics 'faster'. Takahashi 645 Flattener for TOA130. A field flattener compensates for this, so you get less field curvature and an image that is closer to being in focus over the full field. (The L will pick up outlying faint fuzzies but you wouldn't need it if there weren't any.) Toggle navigation 0. $ 279.95. Figuring out the correct back focus for your telescope can be a daunting task to beginners and experienced astrophotographers alike. Availability - In stock. SKU: TKA31587S. Provides FSQ-106EDX4 like field flatness on the FSQ-85EDX . VAT) Out of stock NEWTONIAN Coma Corrector 0.95x Maxfield 190.00 158.33 (ex. Curvature of field and the effects of lens aberrations distorting the stellar images towards the edge of the field can be compensated for by the use of either Field Flatteners or Reducer/Flatteners (called reducers from now on). Baader - M68 Field Flattener, Works with Zeiss APQs and Baader APO 95/560 Travel Companion . Sale Sold out. SKU: BAA-FF-M68 . (Distance from flange surface to film or CCD plane). Stellarvue Focal Reducer / Field Flattener for SV70T. The reducing factor is 0.8X. Make sure to look at full selection of Telescope Accessories from William Optics that we provide at everyday discount prices. SKU: 100021299. In Stock. StellaMira 2" 0.8x Reducer / Field Flattener with M48 Adapter (1) 89.00 Add to Basket. Field Reducers and Flatteners from Takahashi, Optec, Borg and TeleVue. ASKAR 0.7x FLATTENER AND REDUCER for FRA400 & FRA500. Antares f/6.3 SCT Reducer/Corrector. Designed with nearly Full frame chip-size DSLR cameras in mind. Use in conjunction with a Sky-Watcher DSLR-M48 Ring Adaptor. ASKAR 0.7x FLATTENER AND REDUCER for FRA600. More On The Way . This very elegant 2 reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7.5 ratio refactors, including the new FLT91 telescope. Reduces the telescopes focal length by a factor of 0.85x. Toggle navigation 0. This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7.5 ratio refactors. The new 1 review. Named a Sky & Telescope Hot Product of the Year for 2010, the Astro-Tech photographic field flattener reduces the normal field curvature inherent in all refractors to provide you with images that are sharply focused out to the very corners of your DSLR or large format Optimised for the Sky-Watcher Evostar ED PRO (and equivalent Equinox) APO refractors. Videos Glossary Tutorial Index im considering to buy the fcd100 102mm explore scientific apo carbon fiber telescope and want to add a field flattener and reducer to this telescope. Price: $800.00 . single exposure, 15 seconds at ISO 1600, without flattener. Hyperion 12.5" Hyperion 16" Hyperion Focal Reducer EvoFF v2 - Field Flattener for SkyWatcher EvoGuide 50ED Starizona. $240.00. While technically this was designed for the F/8 system, through user experiences and our subsequent testing we have concluded that our 3-inch field flattener/reducer performs very well with our F/7.5 refractors. SkyWatcher Esprit 80 Field Flattener . Designed with nearly Full frame chip-size DSLR cameras in mind Using a field flattener is a no-brainer: just screw it at the back of your telescope or insert it in the telescope using a nosepiece. Thats it. But there are a few technical things to sort out when using a field flattener: Before buying a telescope and a flattener, you need to verify how much backfocus is available for that combination. As a focal reducer, this device will reduce your f-ratio by .7, which results in a wider field of view, brighter images and less exposure time. Super high precision COPPER T mount for Canon EOS full frame Cameras. Important Note: The following products were all designed for an optimum 55mm back focus. 1 Review. Zenithstar 73II APO. The new Starizona EvoFF field flattener turns the Skywatcher Evoguide 50 into a sharp, portable, wide-field imaging scope. The Antares focal reducer comes in small box. Integral T-Ring adaptor thread. More On The Way . Takahashi has designed the 1.04x flattener to work only with the FS and FC telescopes. By Brian Fulda This reducer/flattener is optimized for our SVR102T triplet lens and it will work with other f-7 refractors. The non-reducer flattener's back focuse distance, T-Thread shoulder to the CCD chip, requirement is 55mm. Sky-Watcher .85x Reducer/Flattener for Evostar-150ED Pro. SKYWATCHER FLATTENER & REDUCER FOR EVOLUX 62ED. This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7.5 ratio refactors. 2.7" Prime Focus Field Flattener for 130 f/6.3 StarFire GT (67PF562) Our 2.7" Field Flattener (67PF562) can be coupled to a variety of different cameras for truly superb. For the Perfect field for astrophotography, all at BuyTelescopes.com. Once installed, you can add additional accessories like T-Adapters, 1.25 Visual Back, Star Diagonal, or Off-Axis Guider. The Reducer (for focal length reduction) is an optical accessory that allows a more favourable aperture ratio. A field flattener compensates for this, so you get less field curvature and an image that is closer to being in focus over the full field. A reducer is in a sense the opposite of a barlow: It focuses the light from the scope to a smaller area, the effect is a shorter focal ratio and a smaller image circle. A field flattener flattens the field of view and ensures round and sharp stars all around the frame. Hyperion 12.5" Hyperion 16" Pixel Resolution + Field of View Equivalent Exposures Ideal Exposure Time Eyepiece Projection Misc Misc. The Takahashi FS-60C Reducer-C 0.72X converts the FS-60C from an f/5.9 to an f/4.2 wide field imaging instrument. Will also provide much improved results on refractors with focal lengths narrowly outside this optimised f/range. B&H # TERF102 MFR # RFL-4087. $635.45. * Sign up for our Newsletter. Canon 6D. Sky-Watcher Field Flattener for Esprit-100. The field flattener/focal reducer offers 55 mm of back focus from the rear face of the device. Inside the box is a "bottle" style case and a two-sided instruction sheet. Backorder. Thanks all for the replies and links. Toggle navigation 0. Notice: About small format, 174, 178, 385, 290, 224, 185, etc. Field Reducers and Flatteners from Takahashi, Optec, Borg and TeleVue. Orion ED80T CF. Reducers / Flatteners. Be sure to select the appropriate flattener/reducer for your particular telescope. Fitting is M48 at both ends. It's quite expensive.) The TS Universal 2-Inch Field Flattener for Refractors from f4 to f9 is a flat field imaging corrector for almost ALL refractors with a 2 focuser, producing pinpoint stars from centre to edge! In Stock. Looks like the Skywatcher Field Flattener works well, and at a very reasonable 65 from FLO I think I'll give that ago first before I trying a reducer/flattener as my budget is a bit small for now. Test of the TSRed279 reducer. TAKAHASHI REDUCER / FLATTENER FOR MEWLON. The flattener is installed between the telescope and the camera. MicroTouch Wired MicroTouch Wireless Hyperion Astrograph Hyperion Astrograph. Reducer / Flattener. For 80/100/120/150ED DS-PRO. The most important fact however is that the William Optics TMB field flattener is sharp to the very corner of an EOS 5D full frame camera on the FLT110, no modest feat for any telescope to achieve and excellent news for those amateurs wanting to image with e.g. Reducers and field flatteners have an optimum spacing between the camera sensor, and the rear of the unit. The flattener threads into the Feather Touch or Stellarvue 2.5 focusers (FSV25/FSV25B). Enhance your astrophotography experiences with the Explore Scientific 3in Field Flattener w/ .7x Focal Reducer for ED APO 152mm F/8 to reduce the curvature when acquiring various images. This reducer/flattener has a standard 42 mm filter thread. The field flattener/focal reducer offers 55 mm of back focus from the rear flange. This very elegant 2 reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7.5 ratio refactors. It will also work with a standard 2 focuser for earlier models. Add to cart quickshop. Explore Scientific s 3 Field Flattener .7x Focal Reducer is a multi-faceted accessory designed to enhance your astrophotography experiences. On the contrary, when a refractor is used for astrophotography, a curved field will Key Features. Designed specifically for their Esprit 120 ED APO f/7 refractor optical tube, the Sky-Watcher 0.77x Focal Reducer / Flattener is an indispensable dual-purpose accessory for astrophotography and astroimaging. The flattener helps correct spherical aberration. VAT) PlanoStar 0.8x Reducer for 115 EDT-X with M92 3.7" Focuser - M72x1 rear female thread 299.

Gaussian Integral With Finite Limits, Balcombe Grammar Intranet, Tavor Match Barrel, How To Check If Viagogo Tickets Are Valid, Is Anxiety A Punishment From Allah, Veterinary Ophthalmologist In Texas, 52 Inch Soft Shotgun Case, Brazil Shoe Size To Us Child, Mecklenburg County, Va Arrests, Christina Name Popularity,