Flatteners, Correctors, Reducers & ADC

ZWO Atmospheric Dispersion Corrector ZWO Atmospheric Dispersion Corrector (ADC) is used to reduce the effect of atmospheric dispersion on lunar and...

Askar 103APO 1x Full-frame Flattener The Askar 103 APO comes with three optional premium accessories, a 1.0x flattener, a 0.8x reducer, and a 0.6x ...

Celestron Reducer-Corrector Imagine having two telescopes in one — a long focal length instrument for lunar and planetary work and a short focal le...

Antares 0.63x Focal Reducer for SCT The Antares 0.63x Focal Reducer for SCT is the standard thread-on F/6.3 4-element fully multicoated reducer use...

Celestron Reducer Lens .7x - EdgeHD 800 Celestron’s new EdgeHD 800 Reducer Lens .7x  feature a custom 4 element optical design engineered to mainta...

Starizona Field Flattener for SkyWatcher EvoGuide 50ED The new Starizona EvoFF field flattener turns the Skywatcher Evoguide 50 into a sharp, po...

Askar 103APO 0.8x Full-Frame Reducer The 0.8x reducer can bring Askar 103APO's focal ratio down to F5.4. This is a standard reducer with field flat...

SharpStar 61EDPHⅢ f/4.5 Full-Frame Reducer The special full-frame reducer of 61EDPH Ⅲ: One end of the thread is M68 × 1, connected to the focuser; ...

Starizona SCT Corrector IV 0.63X Reducer / Coma Corrector Performance   The diagram above shows how the SCT Corrector improves the off-axis spot s...

SVBONY SV209 1.0x Flattener for SV550 80F6 M63x1  75 filter thread for the use of 2" filters in the camera adapter Maximum working distance from th...

Celestron Reducer Lens .7x - EdgeHD 925 Celestron’s new EdgeHD 925 Reducer Lens .7x  feature a custom 4-element optical design engineered to mainta...

Baader 2" Mark III MPCC Multi Purpose Coma Corrector Coma corrector for Newton telescopes, that reduces neither the focal length nor the image...

Askar 0.7x Full Frame Reducer for FRA400/FRA500 5.6 The Askar new FRA400/FRA500 F3.9 full-frame reducer reduces the telescope’s effective focal rat...

Antares 0.5x 2" Focal Reducer Focal reducers can be used either visually or photographically to decrease focal length and increase true field at th...

Askar 0.75x Reducer for Askar 71F Telescope Get ready for brighter images and a wider field of view for your Askar 71F! More details on...

Daystar Flat Cap Imaging Diffuser The DayStar FlatCap is a Gaussian diffuser that is temporarily installed over the front of your telescope when t...

Askar 50EDPH 0.84x Reducer  The Sharpstar 50EDPH comes with an optional specific 0.84x reducer， which is optimized for the Sharpstar 50EDPH and can...

SVBONY 0.5X Focal Reducer 1.25" Fits all standard 1.25" scope eyepieces Its role is to shorten the focal length, increasing the field of view, usua...

SVBONY 1.25 inch 0.5x Focal Reducer 0.5x focal reducer cuts the telescope's focal length in 0.5 times of original's to get a wider field of viewFul...

SVBONY SV209 Focal Reducer/Field Flattener 0.8x for SV550 122F7 This 0.8X focal reducer/field flattener is designed specifically for prime focus as...

Askar 120APO 1x Full-frame Flattener The Askar 120 APO comes with three optional premium accessories, a 1.0x flattener and a 0.8x reducer. Introduc...

Takahashi TOA-645 Flattener kit for TOA-130 The Takahashi TOA-645 field corrector kit for imaging with TOA-130 refractor Takahashi has adapted its...

Nexus 0.75x Newtonian Focal Reducer/Coma Corrector Turn your Newtonian telescope into a fast, high-quality astrographic instrument with the Sta...

Celestron Reducer Lens .7x - EdgeHD 1100 Celestron’s EdgeHD reducers feature a custom 5 element optical design engineered to maintain the flat-fiel...

Askar 103APO 0.6x Full-Frame Reducer The 0.6x reducer can bring the Askar 103APO's focal ratio down to F4 while also providing field flattening. As...

ZWO FF107APO/FF130APO 0.7× Universal Reducer ZWO has released a new 3-inch 0.7× full frame reducer that is compatible with the FF107APO and FF130AP...

ZWO FF65APO 0.75× Full Frame Reducer ZWO has released a brand-new FF65APO 0.75× full frame reducer with a four-element optical design. It has a red...

Askar 0.7x Universal Reducer for 107PHQ/130PHQ/151PHQ Askar’s new-launched 3” 0.7x full-frame reducer adapts for 107PHQ, 130PHQ & 151PHQ. It ha...

SharpStar 61EDPHⅢ Full Frame Flattener 61EDPH Ⅲ is also equipped with a special full-frame flattener, providing users with more options. The flatte...

Starfield Optics 1.0x Field Flattener The Starfield 1.0x Field Flattener enhances the imaging capabilities of refractors by eliminating field curva...

William Optics Longer Adjusting Adapter for FLAT68III, FLAT7A This adjustable adapter offers a convenient, efficient way to upgrade your WO diagona...

William Optics Flattener FLAT68III The William Optics Flattener 68III was made for 6 -7.5 F ratio refractors. This high-quality flattener has been ...

William Optics Flat61 for ZenithStar 61 This flattener is for ZenithStar 61.            Technical Specifications Telescope Side Connection M54x...