Focal Reducers & Reducers/Flatteners

Antares 0.5x 1.25" Focal Reducer Focal reducers can be used either visually or photographically to decrease focal length and increase true field at...

Askar 0.7x F/3.9 Full-Frame Reducer for FRA400C Specially designed for the FRA400C, this 0.7x reducer adopts a triplet lens design, it can reduce ...

ZWO FF80APO 0.76X Full Frame Reducer ZWO has also released a new 3-inch FF80APO 0.76X full frame reducer with a three-element optical design, inclu...

William Optics 0.8x Reducer/Flattener 7A This William Optics Adjustable 0.8x Reducer/Flattener is a great tool for those looking to increase their ...

William Optics 0.8x Flattener/Reducer Flat6AIII This William Optics 0.8x Flattener/Reducer has been designed to optimize the flat-field imaging p...

William Optics 0.72x Reducer/Flattener 8 The William Optics 0.72x Reducer/Flattener 8 was made for 6 -7.8 F ratio refractors. This high-quality fla...

Tele Vue Focal Reducer 0.8x for NP Scopes  In astronomy, a reducer is used to reduce the effective focal length of a telescope, which increases the...

Tele Vue 0.8x Reducer/Flattener for 102 Scopes The Tele Vue 0.8x Reducer/Flattener for 102 Scopes reduces telescope focal length to 80% while flatt...

TEC 0.9x Field Corrector-Reducer Produced in house, the Field Reducer Corrector, flattens the field of telescopic viewing and reduces the focal rat...

Takahashi 0.7x Reducer TOA-35  The Takahashi TOA-35 0.7x Reducer for TOA-130, TOA-150 & TSA-120 consists of 4 elements in 3 groups and utilizes...

Takahashi Reducer-QE 0.73x The Takahashi Reducer-QE 0.73x reduces the focal length of the FSQ-106ED and FSQ-85ED telescopes by 0.73X, increasing th...

Takahashi Mewlon Reducer Flattener 0.8X The Takahashi Mewlon Reducer Flattener 0.8X is designed specifically for the Mewlon series of telescopes, a...

Takahashi FL 0.93X Flattener This field corrector is specific to the FOA-60 refractor. It provides a corrected image circle of 44 mm in diameter, c...

Takahashi FC-35 0.66x Reducer The Takahashi FC-35 0.66x Reducer is a 0.66X reducer designed to work with the FC-100DF, FC-125, FS-102, FS-128 and F...

Takahashi F/3 0.6X Reducer for FSQ-106 & FSQ-130 The Takahashi F/3 0.6X Reducer for FSQ-106 & FSQ-130 converts the FSQ-106 and -130 refract...

Takahashi 76D 0.73x Reducer   The classical focal reducer of Takahashi FC-76D and FC-100D refractors   The 76D RD reducer is dedicated to Takahashi...

Takahashi 65D FU Reducer 0.65X Dedicated 0.65x RD-FU reducer for the FCT-65D telescope. New FU reducer series incorporates FLUORITE lens elements f...

Takahashi 645 Reducer-QE  0.72x  The focal reducer for medium-format imaging with the FSQ-106EDX4 refractor   The 645RD QE0.72x focal reducer is a...

Takahashi 645 Reducer-CA 0.72X The Takahashi 645 Reducer-CA 0.72X reduces the focal length of the CCA-250 telescope by 0.72X, increasing the s...

Takahashi 645 0.72x Reducer QE  The Takahashi 645 0.7x Reducer QE for FSQ-130 reduces the focal length of the FSQ-130ED telescope by 0.7X, increasi...

Takahashi 0.73X Reducer CR The Takahashi Reducer CR 0.73X is a is compatible with the Mewlon 250 CRS and FSQ-106EDX4 telescopes, providing a f...

Apex ED 0.65x Reducer / Flattener With the Apex ED reducer, an f/5.5 apo refractor becomes an incredibly fast f/3.6 astrograph. A slower f/9 telesc...

Starfield Adjustable 0.8x Universal 2" Reducer Suitable for refractor telescopes from 70 to 102mm aperture with focusers of 2". The Starfield 0.8x ...

Sky-Watcher Reducer/Corrector (.85x) for Evostar 120 0.85x Focal Reducer/Corrector for Sky-Watcher Evostar 120 ED APO is designed for serious As...

Sky-Watcher Reducer/Corrector (.85x) for Evostar 100 0.85x Focal Reducer/Corrector for Sky-Watcher Evostar 100 ED APO is designed for serious Astro...

Sky-Watcher 0.77x Reducer/Flattener for EvoStar 150DX 34mm fully illuminated field, compatible with both APS-C and full frame sensors 89mm back-f...

Sky-Watcher 0.77x Reducer/Flattener for Esprit 150 36mm fully illuminated field, compatible with both APS-C and full frame sensors 90mm back-focu...

Sky-Watcher 0.77x Reducer/Flattener for Esprit 120 34mm fully illuminated field but can handle full frame as well 95mm back-focus (55mm when back...

Shelyak Focal Reducer 0.63x  This reducer is made of a 3-lenses apo, coated against reflections. Mechanically, it is mounted directly behind a ...

SharpStar 94EDPH 0.8x Focal Reducer The 2.5" 94EDPH f/4.4 full-frame reducer is dedicated for Sharpstar 94EDPH astrograph. At one end of the reduce...

SharpStar 76EDPH 0.8x Focal Reducer The 2.5" 76EDPH f/4.5 full-frame reducer is dedicated for Sharpstar 76EDPH astrograph. At one end of the reduce...

PlaneWave .66x Reducer for CDK20/ CDK24 The PlaneWave .66x Reducer for CDK20/ CDK24 is designed specifically for flat field telescopes like the CDK...

PlaneWave .66x Reducer for CDK12.5 / CDK14 / CDK17 This is a reducer designed specifically for flat field telescopes like the CDK. This reduces the...

Optec Lepus-STL 0.62X Optec's #19405 Lepus-STL is a special version of the Lepus telecompressor featuring a male STL 2.156"x24tpi thread in place o...

Optec Lepus HD - C8 EdgeHD Lepus 0.62X telecompressor lens designed especially for use with the Celestron EdgeHD C8 OTA. A standard SCT 2"x24tpi Ce...

Optec Lepus HD - C14 EdgeHD Lepus 0.62X telecompressor lens designed especially for use with the Celestron EdgeHD C14 OTA. A large 3-1/4 -inch Cele...