Reducers - Correctors

Optimised for the Evostar-120ED PRO, this superb quality accessory effectively reduces the telescope’s focal length by a...

This field flattener is optimized for Evostar 80ED Pro telescopes. This high-quality optical accessory reduces the focal...

This superb quality accessory effectively reduces the telescope's focal length by a factor of 0.85x and provides much im...

This superb quality accessory effectively reduces the telescope's focal length by a factor of 0.85x and provides much im...

Two-element design incorporating one ED element. Reduces the standard focal length of the Evolux-62ED by a factor of 0.9...

Two-element design incorporating one ED element. Reduces the standard focal length of the Evolux-82ED by a factor of 0.9...

The TS Superflat TS GPU coma corrector is one of the best correctors for astrophotography through fast Newtonians...

An optically-matched M48-fitting doublet field flattener for Sky-Watcher's Esprit 120 ED PRO triplet refractor. ...

Optimized for the super-fast Skywatcher F4 Newtonian telescope, this coma corrector ensures pinpoint stars right out to...

An optically-matched M48-fitting doublet field flattener for Sky-Watcher's Esprit 150 ED PRO triplet refractor. ...

The flattener is a lens that evens out the field, as this is slightly curved by the primary optics. Astrophotographers c...

The flattener is a lens that evens out the field, as this is slightly curved by the primary optics. Astrophotographers c...

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

This corrector increases the speed of your Newtonian telescope and corrects the Newtonian coma. The exposure times can b...

Celestron’s EdgeHD reducers feature a custom 4-element optical design engineered to maintain the flat-field performance...

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

For Epsilon-130D users who want to shoot at longer focal lengths than the native 430mm, Takahashi offers a 1.5x extender...

The Epsilon 160 extender provides a 1.5 times increase in focal length and is comprised of 7 optical elements in 5 group...

The TOA-35 Reducer is designed for the TSA102/TSA120/TOA130/TOA150...

This extender is specific to the hyperbolic Newtonian optical formula of the Takahashi Epsilon-180ED. The focal length i...