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  • $850.00 - $850.00
    $850.00
    $850.00 - $850.00
    $850.00

    Optec Alnitak Flat-Man L Large Flat Fielder

    OTC-19058

    The Flat-Man L is the big brother of the Flat-Man, for telescopes in the 8-12.5" range. The Flat-Man L uses the same electroluminescent technology ...

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    $850.00 - $850.00
    $850.00
    $850.00 - $850.00
    $850.00
  • $2,305.00 - $3,937.00
    $2,305.00 - $3,937.00
    $2,305.00 - $3,937.00
    $2,305.00

    Optec Alnitak Flat-Man XL-2 Large Flat Fielder

    Options available

    Re-designed and re-introduced in 2020, Optec's new Flat-Man XL-2 electroluminescent calibration panels make it easy to obtain your flat-field calib...

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    $2,305.00 - $3,937.00
    $2,305.00 - $3,937.00
    $2,305.00 - $3,937.00
    $2,305.00
  • $748.00 - $809.00
    $748.00 - $809.00
    $748.00 - $809.00
    $748.00

    Optec Alnitak Flip-Flat Flat Fielder

    Options available

    Alnitak Astrosystems' flagship product, the Flip-Flat, is a robotic lenscap and flat field illumination source for small to medium size refractors....

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    $748.00 - $809.00
    $748.00 - $809.00
    $748.00 - $809.00
    $748.00
  • $340.00 - $340.00
    $340.00
    $340.00 - $340.00
    $340.00

    Optec DSI 3.5" Extension Tube Set - 5 Pieces

    OPC-19890

    Rich Simons of Deep Sky Instruments and Optec have jointly developed a new, larger diameter standard spacer for large aperture telescopes. Like th...

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    $340.00 - $340.00
    $340.00
    $340.00 - $340.00
    $340.00
  • $129.00 - $129.00
    $129.00
    $129.00 - $129.00
    $129.00

    Optec DSI 3.5"x24tpi(M) to M72x1(M) Takahashi Adapter

    OPC-19917

    Optec-DSI 3.5x24tpi male thread to M72x1mm (male) Takahashi thread. Outside Diameter: 3.82" (97.0mm) Overall Height: 0.74" (18.8mm) Clear Aperture...

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    $129.00 - $129.00
    $129.00
    $129.00 - $129.00
    $129.00
  • $184.00 - $184.00
    $184.00
    $184.00 - $184.00
    $184.00

    Optec OPTEC-4300 to DSI 3.5"(F) Adapter

    OPC-19830

    The #19830 OPTEC-4300 to female Optec/DSI 3.5" threaded receiver allows any combination of our DSI 3.5-inch spacers to be easily installed on the c...

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    $184.00 - $184.00
    $184.00
    $184.00 - $184.00
    $184.00