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Enjoy Free Shipping on Orders Over $500 + Same-Day Dispatch (Before 3 PM*) *Some exclusions apply

Image correctors for telescopes and astrophotography

Image correctors for telescopes are essential imaging accessories for improving optical quality and optimizing your astrophotography images. They correct defects in your instrument, such as coma, distortion, or field curvature, and ensure sharp, uniform images across the entire surface of the sensor area.

Among these correctors, you will find field flatteners for a perfectly flat field, coma correctors for mirror telescopes, focal reducers to increase brightness and field of view, atmospheric dispersion correctors, and focal reducers. Each accessory is designed to adapt to different configurations and telescopes, allowing for maximum flexibility.

Whether you are a beginner or an experienced astrophotographer, the use of image correctors improves the accuracy and final rendering of your captures. They are particularly useful for deep sky photography or for large sensor cameras, ensuring that every detail is captured with fidelity and sharpness. Discover our selection of image correctors for telescopes to get the most out of your equipment and achieve professional-quality images.

Original price $966.00 - Original price $966.00
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$966.00
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Current price $966.00

Takahashi Reducer-QE 0.73x (TKA36580)

Takahashi

Takahashi Reducer-QE 0.73x The Takahashi Reducer-QE 0.73x reduces the focal length of the FSQ-106ED and FSQ-85ED telescopes by 0.73X, increasing th...

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Original price $966.00 - Original price $966.00
Original price
$966.00
$966.00 - $966.00
Current price $966.00
Original price $1,246.00 - Original price $1,246.00
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$1,246.00
$1,246.00 - $1,246.00
Current price $1,246.00

Takahashi FC-35 0.66x Reducer (TKA19580)

Takahashi

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

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Original price $1,246.00 - Original price $1,246.00
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$1,246.00
$1,246.00 - $1,246.00
Current price $1,246.00
Original price $868.00 - Original price $868.00
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$868.00
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Current price $868.00

Takahashi 76D 0.73x Reducer (TKA18580)

Takahashi

Takahashi 76D 0.73x Reducer   The classical focal reducer of Takahashi FC-76D and FC-100D refractors   The 76D RD reducer is dedicated to Takahashi...

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Original price $868.00 - Original price $868.00
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$868.00
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Current price $868.00
Original price $400.00 - Original price $400.00
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$400.00
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Current price $400.00

Innovations Foresight Adjustable Focal Reducer - AFR - for ONAG (ONAG-AFR)

Innovations Foresight

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

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Original price $400.00 - Original price $400.00
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$400.00
$400.00 - $400.00
Current price $400.00
Original price $282.00 - Original price $282.00
Original price
$282.00
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Current price $282.00

Innovations Foresight Astigmatism corrector for ONAG XM and SC (ONAG-A-CORR)

Innovations Foresight

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...

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Original price $282.00 - Original price $282.00
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$282.00
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Current price $282.00
Original price $350.00 - Original price $350.00
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$350.00
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Current price $350.00

Optec Lepus HD - C8 EdgeHD (19409)

Optec

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...

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Original price $350.00 - Original price $350.00
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$350.00
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Current price $350.00
Original price $413.00 - Original price $413.00
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$413.00
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Current price $413.00

Optec Lepus HD - C14 EdgeHD (19414)

Optec

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...

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Original price $413.00 - Original price $413.00
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$413.00
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Current price $413.00
Original price $350.00 - Original price $350.00
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$350.00
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Current price $350.00

Optec Lepus-STL 0.62X (19405)

Optec

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...

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Original price $350.00 - Original price $350.00
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$350.00
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Current price $350.00
Original price $413.00 - Original price $413.00
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$413.00
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Current price $413.00

Optec Lepus HD - C11 EdgeHD (19411)

Optec

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...

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Original price $413.00 - Original price $413.00
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$413.00
$413.00 - $413.00
Current price $413.00
Original price $413.00 - Original price $413.00
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$413.00
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Current price $413.00

Optec Lepus HD - C9.25 EdgeHD (19410)

Optec

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...

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Original price $413.00 - Original price $413.00
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$413.00
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Current price $413.00
Original price $131.00 - Original price $131.00
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$131.00
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Current price $131.00

TEC ADC Adapter Set (ADCSET)

TEC

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...

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Original price $131.00 - Original price $131.00
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$131.00
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Current price $131.00
Original price $6,248.00 - Original price $6,248.00
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$6,248.00
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Current price $6,248.00

TEC Atmospheric Dispersion Corrector (TECADC)

TEC

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

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Original price $6,248.00 - Original price $6,248.00
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$6,248.00
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Current price $6,248.00
Original price $1,349.00 - Original price $1,349.00
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$1,349.00
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Current price $1,349.00

TEC 0.9x Focal Reducer Corrector (FRC)

TEC

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

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Original price $1,349.00 - Original price $1,349.00
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$1,349.00
$1,349.00 - $1,349.00
Current price $1,349.00
Original price $629.00
Original price $629.00 - Original price $629.00
Original price $629.00
$520.00 - $534.65
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Current price $520.00

Starizona Apex ED 0.65x Reducer / Flattener

Starizona

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...

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Original price $629.00
Original price $629.00 - Original price $629.00
Original price $629.00
$520.00 - $534.65
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Current price $520.00
Save up to $109.00 Save $0.00
Original price $2,272.00 - Original price $2,272.00
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$2,272.00
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Current price $2,272.00

PlaneWave .66x Reducer for CDK20/ CDK24

Planewave

PlaneWave .66x Reducer for CDK20/ CDK24 The PlaneWave .66x Reducer for CDK20/ CDK24 is designed specifically for flat field telescopes like the CDK...

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Original price $2,272.00 - Original price $2,272.00
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$2,272.00
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Current price $2,272.00
Original price $1,087.00 - Original price $1,087.00
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$1,087.00
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Current price $1,087.00

William Optics 0.8x Reducer/Flattener 7A (P-FLAT7A)

William Optics

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 ...

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Original price $1,087.00 - Original price $1,087.00
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$1,087.00
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Current price $1,087.00
Original price $330.00 - Original price $330.00
Original price $330.00
$384.00
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Current price $384.00

William Optics 0.8x Flattener/Reducer (P-FLAT6AIII)

William Optics

William Optics 0.8x Flattener/Reducer Flat6AIII This William Optics 0.8x Flattener/Reducer has been designed to optimize the flat-field imaging p...

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Original price $330.00 - Original price $330.00
Original price $330.00
$384.00
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Current price $384.00
Original price $55.00 - Original price $55.00
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$55.00
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Current price $55.00

Tele Vue DIOPTRX Adapter for all NT6 (DNA-6000)

Tele Vue

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

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Original price $55.00 - Original price $55.00
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$55.00
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Current price $55.00
Original price $288.00 - Original price $288.00
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$288.00
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Current price $288.00

Tele Vue Paracorr Tunable Top with 1.25" Adapter (ATT-2125)

Tele Vue

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...

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Original price $288.00 - Original price $288.00
Original price
$288.00
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Current price $288.00
Original price $1,754.00 - Original price $1,754.00
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$1,754.00
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Current price $1,754.00

Tele Vue Big Paracorr Type 2 (VIP-3010)

Tele Vue

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...

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Original price $1,754.00 - Original price $1,754.00
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$1,754.00
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Current price $1,754.00
Original price $624.00 - Original price $624.00
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$624.00
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Current price $624.00

Tele Vue 0.8x Reducer/Flattener for 102 Scopes (RFL-4087)

Tele Vue

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...

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Original price $624.00 - Original price $624.00
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$624.00
$624.00 - $624.00
Current price $624.00
Original price $545.00 - Original price $545.00
Original price
$545.00
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Current price $545.00

Takahashi Mewlon Reducer Flattener 0.8X (TKA70581)

Takahashi

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

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Original price $545.00 - Original price $545.00
Original price
$545.00
$545.00 - $545.00
Current price $545.00
Original price $700.00
Original price $700.00 - Original price $700.00
Original price $700.00
Current price $150.00
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Current price $150.00

Sky-Watcher 0.77x Reducer/Flattener for EvoStar 150DX (S20208)

Sky-Watcher

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...

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Original price $700.00
Original price $700.00 - Original price $700.00
Original price $700.00
Current price $150.00
$150.00 - $150.00
Current price $150.00
Save $550.00 Save $0.00
Original price $730.00 - Original price $730.00
Original price
$730.00
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Current price $730.00

Sky-Watcher 0.77x Reducer/Flattener for Esprit 150 (S20215)

Sky-Watcher

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...

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Original price $730.00 - Original price $730.00
Original price
$730.00
$730.00 - $730.00
Current price $730.00
Original price $730.00 - Original price $730.00
Original price
$730.00
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Current price $730.00

Sky-Watcher 0.77x Reducer/Flattener for Esprit 120 (S20209)

Sky-Watcher

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...

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Original price $730.00 - Original price $730.00
Original price
$730.00
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Current price $730.00
Original price $40.00
Original price $40.00 - Original price $40.00
Original price $40.00
Current price $25.00
$25.00 - $25.00
Current price $25.00

Sky Watcher EvoStar 72ED Reducer-Corrector Adapter (S20210)

Sky-Watcher

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

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Original price $40.00
Original price $40.00 - Original price $40.00
Original price $40.00
Current price $25.00
$25.00 - $25.00
Current price $25.00
Save $15.00 Save $0.00
Original price $614.00 - Original price $614.00
Original price
$614.00
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Current price $614.00

Askar 0.7x Full Frame Reducer for FRA600 (FRA600FR)

Askar

Askar 0.7x Full Frame Reducer for FRA600 The Askar 3 inch F3.9 full frame reducer features 4 elements optical design specifically for the FRA600, o...

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Original price $614.00 - Original price $614.00
Original price
$614.00
$614.00 - $614.00
Current price $614.00
Original price $687.00 - Original price $687.00
Original price
$687.00
$687.00 - $687.00
Current price $687.00

APM-Riccardi Universal Flattener Model 2 (APM-RIFLAT2)

APM

APM-Riccardi Universal Flattener Model 2 Our high-quality, universal flattener for apochromats was calculated by the famous optics designer Massimo...

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Original price $687.00 - Original price $687.00
Original price
$687.00
$687.00 - $687.00
Current price $687.00
Original price $820.00 - Original price $820.00
Original price
$820.00
$820.00 - $820.00
Current price $820.00

APM-Riccardi 0.75x M82 Reducer (APM-RIRED-M82-large)

APM

APM-Riccardi 0.75x M82 Reducer Massimo Riccardi, well-known optical designer from Italy, has calculated a high-quality 3-lens 0.75x reducer / flatt...

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Original price $820.00 - Original price $820.00
Original price
$820.00
$820.00 - $820.00
Current price $820.00
Original price $687.00 - Original price $687.00
Original price
$687.00
$687.00 - $687.00
Current price $687.00

APM-Riccardi 0.75x M63 Reducer (APM-RIRED-M63-small)

APM

APM-Riccardi 0.75x M63 Reducer Massimo Riccardi, well-known optical designer from Italy, has calculated a high-quality 3-lens 0.75x reducer / flatt...

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Original price $687.00 - Original price $687.00
Original price
$687.00
$687.00 - $687.00
Current price $687.00
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