Skip to content
ZWO EAFN Desktop
IMPORTANT: Starting May 14st, all orders for products that are made in China, regardless of their value, will be subjected to 30% tariffs when imported in the USA. These fees will be billed to you by the carrier, and are your responsibility.
IMPORTANT: Starting May 14st, all orders for products that are made in China, regardless of their value, will be subjected to 30% tariffs when imported in the USA. These fees will be billed to you by the carrier, and are your responsibility.

Country

Correctors and Reducers

  • Original price $493.00 USD - Original price $493.00 USD
    Original price
    $493.00 USD
    $493.00 USD - $493.00 USD
    Current price $493.00 USD

    APM Riccardi Flattener M82-M77-Model 1

    APM-RIFLAT1

    APM Riccardi Flattener M82-M77-Model 1

    Original price $493.00 USD - Original price $493.00 USD
    Original price
    $493.00 USD
    $493.00 USD - $493.00 USD
    Current price $493.00 USD
  • Original price $493.00 USD - Original price $493.00 USD
    Original price
    $493.00 USD
    $493.00 USD - $493.00 USD
    Current price $493.00 USD

    APM Riccardi Flattener M82-M77-Model 2

    APM-RIFLAT2

    APM Riccardi Flattener M82-M77-Model 2

    Original price $493.00 USD - Original price $493.00 USD
    Original price
    $493.00 USD
    $493.00 USD - $493.00 USD
    Current price $493.00 USD
  • Original price $496.00 USD - Original price $496.00 USD
    Original price
    $496.00 USD
    $496.00 USD - $496.00 USD
    Current price $496.00 USD

    APM Riccardi Reducer M63

    APM-RIRED-M63-small

    Our new reducer, calculated and designed from RiccardiMassimo Riccardi, famous optical designer from Italy, designed for APM-Telescopes a new 3 ele...

    View full details
    Original price $496.00 USD - Original price $496.00 USD
    Original price
    $496.00 USD
    $496.00 USD - $496.00 USD
    Current price $496.00 USD
  • Original price $593.00 USD - Original price $593.00 USD
    Original price
    $593.00 USD
    $593.00 USD - $593.00 USD
    Current price $593.00 USD

    APM Riccardi Reducer M82

    APM-RIRED-M82-large

    APM Riccardi Reducer M82

    Original price $593.00 USD - Original price $593.00 USD
    Original price
    $593.00 USD
    $593.00 USD - $593.00 USD
    Current price $593.00 USD
  • Original price $329.00 USD - Original price $329.00 USD
    Original price
    $329.00 USD
    $329.00 USD - $329.00 USD
    Current price $329.00 USD

    Askar 0.6x Reducer for 103APO

    ASK-ASKRE10306
    1 in stock

    Optimized for the Askar 103APO Description The Askar 103 APO offers three optional premium accessories: a 1.0x flattener, a 0.8x reduc...

    View full details
    Original price $329.00 USD - Original price $329.00 USD
    Original price
    $329.00 USD
    $329.00 USD - $329.00 USD
    Current price $329.00 USD
  • Original price $208.00 USD - Original price $208.00 USD
    Original price
    $208.00 USD
    $208.00 USD - $208.00 USD
    Current price $208.00 USD

    Askar 0.75x 71F Reducer

    ASK-ASKAR71FRED
    2 in stock

    The Askar 0.75x Reducer for the Askar 71F telescope is an essential accessory for astrophotographers looking to enhance their imaging capabilities...

    View full details
    Original price $208.00 USD - Original price $208.00 USD
    Original price
    $208.00 USD
    $208.00 USD - $208.00 USD
    Current price $208.00 USD
  • Original price $263.00 USD - Original price $263.00 USD
    Original price
    $263.00 USD
    $263.00 USD - $263.00 USD
    Current price $263.00 USD

    Askar 0.76x Reducer for 80PHQ

    ASK-ASKAR80R

    Optimized for the Askar 80PHQ Description The new Askar 3-inch 0.76x full-frame reducer, designed specifically for the 80PHQ, features...

    View full details
    Original price $263.00 USD - Original price $263.00 USD
    Original price
    $263.00 USD
    $263.00 USD - $263.00 USD
    Current price $263.00 USD
  • Original price $384.00 USD - Original price $384.00 USD
    Original price
    $384.00 USD
    $384.00 USD - $384.00 USD
    Current price $384.00 USD

    Askar 0.7x Universal Reducer for 107PHQ/130PHQ/151PHQ

    ASK-ASF107130RE

    Optimized for the Askar 107PHQ/130PHQ/151PHQ Description Askar’s newly launched 3” 0.7x full-frame reducer is designed for the 107P...

    View full details
    Original price $384.00 USD - Original price $384.00 USD
    Original price
    $384.00 USD
    $384.00 USD - $384.00 USD
    Current price $384.00 USD
  • Original price $219.00 USD - Original price $219.00 USD
    Original price
    $219.00 USD
    $219.00 USD - $219.00 USD
    Current price $219.00 USD

    Askar 0.8x Reducer for 103APO

    ASK-ASKRE10308
    2 in stock

    Optimized for the Askar 103 APO Description Specifications The Askar 103 APO offers three optional premium accessories: a 1.0x flattener, a ...

    View full details
    Original price $219.00 USD - Original price $219.00 USD
    Original price
    $219.00 USD
    $219.00 USD - $219.00 USD
    Current price $219.00 USD
  • Original price $219.00 USD - Original price $219.00 USD
    Original price
    $219.00 USD
    $219.00 USD - $219.00 USD
    Current price $219.00 USD

    Askar 1x Field Flattener for 103APO

    ASK-ASKFL10310
    2 in stock

    Corrects field curvature and coma Overall CNC machined The overall weight is 0.58kg. Description The 1x flatten...

    View full details
    Original price $219.00 USD - Original price $219.00 USD
    Original price
    $219.00 USD
    $219.00 USD - $219.00 USD
    Current price $219.00 USD
  • Original price $274.00 USD - Original price $274.00 USD
    Original price
    $274.00 USD
    $274.00 USD - $274.00 USD
    Current price $274.00 USD

    Askar 2.5" F/3.9 Full Frame Reducer for FRA400 and FRA500

    ASK-ASKAR7256RD
    1 in stock

    2.5" focal reducer designed for Askar FRA400 and FRA500 telescopes Reduces focal ratio to f/3.9, optimized for full-frame sensors Desc...

    View full details
    Original price $274.00 USD - Original price $274.00 USD
    Original price
    $274.00 USD
    $274.00 USD - $274.00 USD
    Current price $274.00 USD
  • Original price $439.00 USD - Original price $439.00 USD
    Original price
    $439.00 USD
    $439.00 USD - $439.00 USD
    Current price $439.00 USD

    Askar 3" F/3.9 Full Frame Reducer for FRA600

    ASK-ASKAR656RD

    3" focal reducer designed specifically for the Askar FRA600 telescope Reduces focal ratio to f/3.9, optimized for full-frame sensors D...

    View full details
    Original price $439.00 USD - Original price $439.00 USD
    Original price
    $439.00 USD
    $439.00 USD - $439.00 USD
    Current price $439.00 USD
  • Original price $308.00 USD - Original price $308.00 USD
    Original price
    $308.00 USD
    $308.00 USD - $308.00 USD
    Current price $308.00 USD

    Baader Alan Gee Telecompressor Mark II

    BAA-2454400

    A common limitation that plagues owners of most popular Schmidt-Cassegrain telescopes is the narrow field size and high magnifications produced by ...

    View full details
    Original price $308.00 USD - Original price $308.00 USD
    Original price
    $308.00 USD
    $308.00 USD - $308.00 USD
    Current price $308.00 USD
  • Original price $873.00 USD - Original price $873.00 USD
    Original price
    $873.00 USD
    $873.00 USD - $873.00 USD
    Current price $873.00 USD

    Baader Fluorite Flatfield Converter

    BAA-2458200

    Apochromatic, multi-coated fluorite lens system 10-times higher line resolution than the world best projection eyepieces The FFC fits on every T-2...

    View full details
    Original price $873.00 USD - Original price $873.00 USD
    Original price
    $873.00 USD
    $873.00 USD - $873.00 USD
    Current price $873.00 USD
  • Original price $929.00 USD - Original price $929.00 USD
    Original price
    $929.00 USD
    $929.00 USD - $929.00 USD
    Current price $929.00 USD

    Baader M68 Field Flattener

    BAA-2458260

    3-lens field corrector for BAADER APO 95/560 CaF2 Travel Companion 76.11mm backfocus, 52mm corrected field of view Telescope side M68a thread, cam...

    View full details
    Original price $929.00 USD - Original price $929.00 USD
    Original price
    $929.00 USD
    $929.00 USD - $929.00 USD
    Current price $929.00 USD
  • Original price $252.00 USD - Original price $307.00 USD
    Original price
    $252.00 USD - $307.00 USD
    $252.00 USD - $307.00 USD
    Current price $252.00 USD

    Baader MPCC Mark III (Multi Purpose Coma Corrector) - 2"

    Options available

    Coma corrector for Newton telescopes, that reduces neither the focal length nor the image field of your telescope Large lenses for completely vign...

    View full details
    Original price $252.00 USD - Original price $307.00 USD
    Original price
    $252.00 USD - $307.00 USD
    $252.00 USD - $307.00 USD
    Current price $252.00 USD
  • Original price $255.00 USD - Original price $255.00 USD
    Original price
    $255.00 USD
    $255.00 USD - $255.00 USD
    Current price $255.00 USD

    Baader RCC I Rowe Coma Corrector

    BAA-2956800

    The RCC I (Rowe Coma Corrector) is a Coma Corrector from Dave Rowe with Triplet Lense design for f/4 Newtons The RCC works from f/3.5 to f/6 - it ...

    View full details
    Original price $255.00 USD - Original price $255.00 USD
    Original price
    $255.00 USD
    $255.00 USD - $255.00 USD
    Current price $255.00 USD
  • Original price $200.00 USD - Original price $200.00 USD
    Original price
    $200.00 USD
    $200.00 USD - $200.00 USD
    Current price $200.00 USD

    Celestron Reducer - Corrector

    CEL-94175

    Features This combination focal reducer and field corrector lens accessory works with all Celestron 5", 6", 8", 9 1/4", 11" and 14" Schmidt-Cassegr...

    View full details
    Original price $200.00 USD - Original price $200.00 USD
    Original price
    $200.00 USD
    $200.00 USD - $200.00 USD
    Current price $200.00 USD
  • Original price $849.00 USD - Original price $849.00 USD
    Original price
    $849.00 USD
    $849.00 USD - $849.00 USD
    Current price $849.00 USD

    Celestron Reducer Lens .7x - EdgeHD 1100

    CEL-94241
    1 in stock

    Features The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 1100 one full F-Stop faster than f/10, reducing your exposure time by half to capture ...

    View full details
    Original price $849.00 USD - Original price $849.00 USD
    Original price
    $849.00 USD
    $849.00 USD - $849.00 USD
    Current price $849.00 USD
  • Original price $849.00 USD - Original price $849.00 USD
    Original price
    $849.00 USD
    $849.00 USD - $849.00 USD
    Current price $849.00 USD

    Celestron Reducer Lens .7x - EdgeHD 1400

    CEL-94240

    Features The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 1400 one full F-Stop faster than f/11, reducing your exposure time by half to capture ...

    View full details
    Original price $849.00 USD - Original price $849.00 USD
    Original price
    $849.00 USD
    $849.00 USD - $849.00 USD
    Current price $849.00 USD
  • Original price $419.00 USD - Original price $419.00 USD
    Original price
    $419.00 USD
    $419.00 USD - $419.00 USD
    Current price $419.00 USD

    Celestron Reducer Lens .7x - EdgeHD 800

    CEL-94242
    2 in stock

    Features The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 800 one full f-stop faster than f/10, doubling the equivalent exposure at f/10 4-eleme...

    View full details
    Original price $419.00 USD - Original price $419.00 USD
    Original price
    $419.00 USD
    $419.00 USD - $419.00 USD
    Current price $419.00 USD
  • Original price $439.00 USD - Original price $439.00 USD
    Original price
    $439.00 USD
    $439.00 USD - $439.00 USD
    Current price $439.00 USD

    Celestron Reducer Lens .7x - EdgeHD 925

    CEL-94245
    2 in stock

    Features The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 9.25" one full F-Stop faster than f/10, reducing your exposure time by half to capture...

    View full details
    Original price $439.00 USD - Original price $439.00 USD
    Original price
    $439.00 USD
    $439.00 USD - $439.00 USD
    Current price $439.00 USD
  • Original price $139.00 USD - Original price $139.00 USD
    Original price
    $139.00 USD
    $139.00 USD - $139.00 USD
    Current price $139.00 USD

    David Astro 0.6x Universal Reducer - 2"

    DAV-FF0.6X
    3 in stock

    55mm back focus Works with f/5 to f/7 refractors Compatible with APS-C size cameras or smaller. Accepts 2" filters Optimized for refractors with...

    View full details
    Original price $139.00 USD - Original price $139.00 USD
    Original price
    $139.00 USD
    $139.00 USD - $139.00 USD
    Current price $139.00 USD
  • Original price $119.00 USD - Original price $119.00 USD
    Original price
    $119.00 USD
    $119.00 USD - $119.00 USD
    Current price $119.00 USD

    David Astro 0.8x Universal Reducer - 2"

    DAV-FF0.8X
    2 in stock

    55mm back focus Works with f/5 to f/7 refractors Compatible with APS-C size cameras or smaller. Accepts 2" filters Optimized for refractors with...

    View full details
    Original price $119.00 USD - Original price $119.00 USD
    Original price
    $119.00 USD
    $119.00 USD - $119.00 USD
    Current price $119.00 USD