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  1. Tele Vue 0.8X reducer/photographic field flattener for TV-85/Pronto

    $353.00
    Sky & Telescope called this TeleVue 0.8X reducer/field flattener lens "a must-have for someone planning to use the TV-85 photographically." Even better, it can work its image-improving magic with any brand of 400mm to 600mm refractor . . .
  2. Astro-Tech 0.8x reducer/field flattener for Astro-Tech AT80EDT triplet apo refractor

    $169.95
    This economical 0.8x focal reducer and field flattener is designed specifically for astrophotography with the Astro-Tech AT80EDT 80mm f/6 triplet apo refractor. 
  3. Astro-Tech AT152EDT .72x Reducer Field Flattener

    $299.00

    The Astro-Tech AT152FF 0.72x focal reducer/field flattener is designed specifically for prime focus astrophotography with the AT152EDT triplet refractor.

  4. Astro-Tech .8x Reducer Field Flattener For the 60ED Optical Tubes

    $139.95
    Looking to make your Astro-Tech (or variant) scope faster and flatter for photography? Then the .8x reducer/flattener is exactly what your are looking for.
  5. Astro-Tech 0.8x reducer/field flattener for Astro-Tech AT102EDL Doublet apo refractor

    $199.95
    This 0.8x focal reducer and field flattener is designed specifically for astrophotography with the Astro-Tech AT102EDL f/7 apo refractor.
  6. Astro-Tech 0.8x reducer/field flattener for Astro-Tech AT90CFT triplet apo refractor

    $199.95
    This 0.8x focal reducer and field flattener is designed specifically for astrophotography with the Astro-Tech AT90CFT 90mm f/6 triplet apo refractor. 
  7. Celestron F/6.3 reducer/corrector for Schmidt-Cassegrains

    $169.95
    This combination f/6.3 focal reducer and field corrector works with all Celestron 5" through 14" Schmidt-Cassegrain telescopes, as well as all Meade 8" through 16" SCTs . . .
  8. Astro-Tech Dedicated 0.8x reducer/field flattener for the Astro-Tech AT102ED refractor

    $99.95
    This Astro-Tech 2" 0.8x reducer/field flattener is designed for astrophotography while using your Astro-Tech ED102ED refactor.
  9. Astro-Tech 0.8x reducer/field flattener for f/6 refractors Old Style with 42mm Adapter only.

    $149.95
    This economical Astro-Tech 2" 0.8x reducer/field flattener is designed for astrophotography with f/6 focal ratio refractors, but will also work well with refractors in the f/5.5 to f/7 range . . .
  10. 0.8X reducer/field flattener/corrector for photography for Mewlons

    $436.00
    This Takahashi 0.8x reducer/field flattener/corrector lens is designed to work specifically with Takahashi Mewlon 8.3" to 11.8" Dall-Kirkham catadioptric reflectors . . .
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