field flattener reducer

William Optics 2" APO Field Flattener and 0.8x Focal Reducer WE-FLAT-3 is part of our massive variety of . 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. Meade f/6.3 Series 4000 Focal Reducer/Field Flattener. The field flattener/focal reducer offers 55 mm of back focus from the rear flange. It will provide good illumination and flat field across 97% of full frame sized sensors. 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 The Reducer/Field Flattener offers a wider field of view through your system, working to decrease the focal length of your system. Flattener / Reducer / Correctors. Orion ED80T CF. 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%. 0.77x Reducer/Flattener for Esprit 120 0.9x thread-on reducer/corrector produces a flat field across the entire image while shortening exposure time by 24%. Field Flattener, Focal Reducer. * Sign up for our Newsletter. Price: $179.00 . 2) Remove the reducer and shoot the galaxy in luminance. Corrective optics are a very important component, especially in astrophotography. Reduces Focal Length by 20%; Widens Field & Shortens Exposure Time; SkyWatcher Esprit 80 Field Flattener . Videos Glossary Tutorial Index Apex ED .65 Reducer Flattener Motor Focusers Motor Focusers. 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. 3" FIELD FLATTENER .7X FOCAL REDUCER. Toggle navigation 0. * Sign up for our Newsletter. Model: skywatcher_field_flattener. 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. (Distance from flange surface to film or CCD plane). 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. single exposure, 15 seconds at ISO 1600, with flattener. The new ASKAR 0.7x FLATTENER AND REDUCER for FRA600. 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. It will provide good illumination and flat field across 97% of full frame sized sensors. Be sure to select the appropriate flattener/reducer for your particular telescope. Sale Sold out. This is not an issue for visual observations as eyepieces can partially compensate this aberration. $240.00. 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. The Antares focal reducer comes in small box. 3" Field Flattener .7x Focal Reducer for ED APO 152mm 127mm 140mm Refractor . Backorder. SKU: BAA-FF-M68 . Free US Shipping. 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. Toggle navigation 0. Free US Shipping. 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. Sky-Watcher Field Flattener for Esprit-100. Canon 6D. 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. Takahashi's field flattener uses a two element design. 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. The SkyWatcher field flattener and reducer for the Evostar 72ED transforms your telescope into a professional astrograph. Reducer / Flattener. Once installed, you can add additional accessories like T-Adapters, 1.25 Visual Back, Star Diagonal, or Off-Axis Guider. Baader - M68 Field Flattener, Works with Zeiss APQs and Baader APO 95/560 Travel Companion . It helps a lot with a full frame sensor but is not full frame perfection. VAT) PlanoStar 0.8x Reducer for 115 EDT-X with M92 3.7" Focuser - M72x1 rear female thread 299. 1 review. Reducer/Field Flatteners For CCD, photographic, and visual applications. 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. The Flat 6AIll will provide good illumination and flat field across 97% of full frame sized sensors. Hyperion 12.5" Hyperion 16" Pixel Resolution + Field of View Equivalent Exposures Ideal Exposure Time Eyepiece Projection Misc Misc. The CAA 0.8x Reducer/Field Flattener is an optimal accessory for those who are interested in astrophotography- Perfect to use with any camera of your choice! For 80/100/120/150ED DS-PRO. Designed specifically for SV503 70mm, 80mm, and 102mm f/7 ED Refractor. Full frame size. The flattener is installed between the telescope and the camera. Vendor Explore Scientific MFG Part: FFFR507X-00. On the contrary, when a refractor is used for astrophotography, a curved field will 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). Reducer/Field Flatteners For CCD, photographic, and visual applications. Tele Vue DIOPTRX Astigmatism Corrector - 2.50 # DRX-0250 . 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. The flattener slips into the 2" focuser. Regular price $479.99 Unit price / per . Designed with nearly Full frame chip-size DSLR cameras in mind. fully illuminated and corrected field diameter D=42mm; This Reducer/Flattener is designed for Triplet APO telescopes. Reducer / Flattener. The Meade focal reducer comes in a small box. May be used to increade field of view and reduce magnification for visual applications. 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 M42x0.75 adapter is 6.25 mm thick with a working length of 1.8 mm. In stock. 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! Shop B&H for our huge inventory of Focal Reducers & Field Flatteners from top brands like Vixen Optics, Sky-Watcher, Celestron and Tele Vue, at great prices. ASKAR 0.7x FLATTENER AND REDUCER for FRA400 & FRA500. Full frame size. 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). 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 SKU: TKA31587S. This optical device is a field flattener (or reducer/flattener). This revolutionary new WO AFR-IV Adjustable Flattener / 0.8x Reducer was made for 500-1000mm refractors. 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. For the Perfect field for astrophotography, all at BuyTelescopes.com. Hyperion 12.5" Hyperion 16" Hyperion Focal Reducer EvoFF v2 - Field Flattener for SkyWatcher EvoGuide 50ED Starizona. 169.00 Inc VAT & Warranty. Required exposure times are hence shorter and the optics 'faster'. The reducing factor is 0.8X. Atlanta Hobby Ships Worldwide! Availability - In stock. $119.00 0.85x Focal Reducer/Flattener. 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. Notice: About small format, 174, 178, 385, 290, 224, 185, etc. For the Perfect field for astrophotography, all at BuyTelescopes.com. 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. Viewing 1 - 24 of 91 products. All Field Flatteners and Focal Reducer have a specification for the distance between the CCD. MicroTouch Wired MicroTouch Wireless Hyperion Astrograph Hyperion Astrograph. 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. 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. To use a telescope for photography an optical device is needed to convert your telescope from a visual instrument to a photographic camera lens. Free Shipping Available . 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. It's quite expensive.) It will provide good illumination and flat field across 97% of full frame sized sensors. Will also provide much improved results on refractors with focal lengths narrowly outside this optimised f/range. They turn almost every refractor, Newtonian or other telescope into an astrograph. Fitting is M48 at both ends. $ 279.95. The field flattener/focal reducer offers 55 mm of back focus from the rear flange. Covers for Astro-Physics 2.7" Field Flatteners with 6x7 Outer Bayonet, set of 2. Free Shipping Available . The M42x0.75 adapter is 6.25 mm thick. The 0.8X focal reduction converts the an f-7 refractor to f-5.6. The M42x0.75 adapter adds 3 mm, so the sensor needs to be 52 mm from the face of the adapter. 1 Review. a modified 5D and the FLT110. Designed with nearly Full frame chip-size DSLR cameras in mind Regular price $479.99 Unit price / per . Price: $800.00 . 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. Explore Scientific Zero X Field Flattener 2 Inch M48 for ED80 and ED102. Contact Us. Tele Vue 0.8x Photographic Field Reducer and Flattener. The Reducer (for focal length reduction) is an optical accessory that allows a more favourable aperture ratio. New Adjustable Flat73A for Z73. The new Starizona EvoFF field flattener turns the Skywatcher Evoguide 50 into a sharp, portable, wide-field imaging scope. 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. Provides FSQ-106EDX4 like field flatness on the FSQ-85EDX . 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. Optimised for the Sky-Watcher Evostar ED PRO (and equivalent Equinox) APO refractors. In Stock. Designed with nearly Full frame chip-size DSLR cameras in mind. The backfocus is 74,1 mm. SKU: 100021299. The flattener is all you would want with a crop sensor. Celestron 0.7x Reducer for EdgeHD 925 (1) 439.00 Add to Basket.