Flatteners, Correctors, Reducers & ADC

Starfield Optics 0.6x Field Flattener The Starfield 0.6x Reducer doubles as a field flattener. The unique optical accessory is a must for anyone th...

Askar 80PHQ 0.76x Full Frame Reducer The Askar new 3 inch 0.76x full frame reducer,with a triplet design and specifically for the 80PHQ, offers a 0...

Innovations Foresight Adjustable Focal Reducer - AFR - for ONAG Innovations Foresight provides a near infrared (NIR) optimized adjustable focal red...

Innovations Foresight Astigmatism corrector for ONAG XM and SC This 1.25″ astigmatism corrector drops in the ONAG XM and SC guider port focuser dra...

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...

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 - C11 EdgeHD Lepus 0.62X telecompressor lens designed especially for use with the Celestron EdgeHD C11 OTA. A large 3-1/4 -inch Cele...

Optec Lepus HD - C9.25 EdgeHD The Celestron C9.25 EdgeHD OTA is unique among Celestron's EdgeHD models with a slightly slower primary mirror compar...

TEC ADC Adapter Set TEC is now offering the Baader 2″/T-2 Nosepiece and the Blue Fireball 2″ /T-2 Adapters for the Gutekunst Atmospheric Dispersion...

TEC Atmospheric Dispersion Corrector The goal of the atmospheric dispersive corrector (ADC) is to compensate the dispersive impact of the earth atm...

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

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...

SVBONY SV193 2-Inch 0.8x Focal Reducer/Flattener for SV503 ED Refractor Designed specifically for SV503 70mm, 80mm, and 102mm f/7 ED Refractor.The ...

PlaneWave .7x Reducer for CDK700 This reducer lens is designed specifically for flat field telescopes like the CDK700. Reduces the f/ratio of the ...

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...

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 ...

Tele Vue DIOPTRX Adapter for all NT6 The Tele Vue DIOPTRX Adapter for all NT6 converts eyepieces with small eyeguards to larger eyeguards, so DI...

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 Paracorr Tunable Top with 1.25" Adapter The Tele Vue Paracorr Tunable Top with 1.25" Adapter is the tunable top from the standard Tele Vue...

Tele Vue Large Field Corrector The Tele Vue Large Field Corrector optimizes images at the edge of field when imaging through the Tele Vue-NP101, NP...

Tele Vue DIOPTRX Astigmatism Corrector Your telescope's focuser is used to compensate for your near- or far-sightedness; DIOPTRX™ compensates for y...

Tele Vue Big Paracorr Type 2 Tele Vue’s 3″ Big Paracorr Type 2, designed by Paul Dellechiaie, extends the Paracorr type 2’s optical benefits for im...

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...

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

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 Quattro Coma Corrector Delivers stunning wide-field views with pinpoint stars to the edge of the field. Magnification remains unalte...

Starfield Optics 0.8x Reducer Flattener The Starfield Optics 0.8x Reducer Flattener is a must for anyone that is imaging with a DSLR or dedicated a...

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...

Sky Watcher EvoStar 72ED Reducer-Corrector Adapter Allows your EvoStar 80 Reducer/Corrector to be mounted to your EvoStar 72 ED telescope. In ...