Reducers - Correctors

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

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

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

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...

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 Takahashi Extender-Q 1.6X is designed to work with the FS and FC series of Takahashi telescopes.  It extends th...

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...

The Takahashi Extender QE 1.6X is a combination optical extender and field flattener designed speicifically for the FSQ...

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

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

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

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

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

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