reducers-correctors-flatteners

Celestron’s new EdgeHD reducer Lens 0.7X features a custom 4 element optical design engineered to maintain the flat-field performance of our award...

0.85x Focal Reducer/Corrector for Sky-Watcher EVOSTAR ED72 Designed for serious Astro-Imagers. Optimized for the Sky-Watcher EVOSTAR ED72, this sup...

The Bintel 0.75x RC Reducer is a simple reducer made by GSO for cameras with smaller CCD chips. This 2 element reducer reduces the focal length...

Reduces an astrophotography refractor’s effective focal length by a factor of 0.8x, providing a shorter, more optically fast focal ratio. Designed ...

SkyWatcher F5 Coma Corrector is optimised for use with Sky-Watcher f/5 Newtonian reflecting telescopes, this field correcting lens provides flat pi...

Normally available for pickup or shipping approx. 2-3 business days from your order SkyWatcher f4 Aplanatic Coma Corrector Only for use with F4 New...

Celestron Reducer 0.7x Edge HD1100 Celestron’s new EdgeHD reducers feature a custom 5 element optical design engineered to maintain the flat-field ...

Tele Vue 0.8x Reducer/flattener 400-600mm Model TRF-2008 Tele Vue 0.8x Reducer/flattener 400-600mm converts TV-85 to 480mm f/5.6 and TV-76 to 380m...

0.9x thread-on reducer/corrector produces a flat field across the entire image while shortening exposure time by 24%. Optimized for Evolux 62mm ref...

Reduces the focal length of a Sky-Watcher Esprit 120ED to 644mm and a focal ratio to f/5.4. Provides a pin-point, edge to edge non-vignetted image.

Tele Vue 0.8x Reducer/Flattener RFL-4087 TV-102 and TV-102is Model FL-4087 Tele Vue 0.8x Reducer/flattener TV102 is a 0.8x Reducer/Flattener for T...

OPTEC Lepus .62x Telecompressor is optimized for 100mm of distance between the last lens surface and the image plane. Measured from the telecompre...

Sky-Watcher 0.85x Focal Reducer/Flattener For 80/100/120/150ED DS-PRO Designed for serious astro-photographers. Each model is optimised for the cor...

0.9x thread-on reducer/corrector produces a flat field across the entire image while shortening exposure time by 24%. Optimized for Evolux 82mm ref...

ZWO has released a new 3-inch FF80APO 0.76X full frame reducer with a three-element optical design, including one element made of ED glass. Its red...

ZWO has released a new 3-inch 0.7× full frame reducer that is compatible with the FF107APO and FF130APO telescopes. It has a three-element optical ...

ZWO has released a brand-new FF65APO 0.75× full frame reducer with a four-element optical design. It has a reduction factor of 0.75x, which gives t...

TeleVue Reducer for TV-NP127is and TV-NP101/NP101is A reducer has the optical property of decreasing the effective focal length of a telescope. Th...

36mm fully illuminated field, compatible with both APS-C and full frame sensors 90mm back-focus (55mm when back focus spacer and M48 ring installe...

Tele Vue BIG Paracorr - Type 2 (3inch) BIG Paracorr Type-2 for 3" Focusers Tele Vue's 3" BIG Paracorr Type-2, designed by Paul Dellechiaie, extends...