ASA (Astrosysteme Austria)

Showing 1 to 20 of 31 total
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  1. ASA - 0.72X 4" Cassegrain Reducer Corrector

    SKU: ASA-4CAKORRR

    This item is special order. Delivery times will vary. Place your order today and your card will not be charged until the item ships.

    The ASA 4" 0.72X Cassegrain Reducer Corrector will enhance your pictures from your Cassegrain telescope, by getting rid of coma and field curvature problems!

    Call for pricing.
  • ASA - 0.77x Schmidt-Cassegrain Reducer Corrector - 2"

    SKU: ASA-2SCKORR

    Wait Time is 3-5 Days

    The reducer will correct the focal length down by a factor of 0,77x. It is perfectly suitable for perfect image performance onto APS-C format sized CCD chips.
    Call for pricing.
  • ASA - 0.84x 4" Ritchey-Chretien Reducer Corrector

    SKU: ASA-4RCKORRR

    This item is special order. Delivery times will vary. Place your order today and your card will not be charged until the item ships.

    The ASA 0.84X 4" Ritchey-Chretien Reducer Corrector will enhance your pictures from your Ritchey-Chretien telescope, by eliminating both coma and field curvature problems! This corrector lens is designed for use on R-C telescopes having an aperture of 0.4meter (15.75") or larger, and an f/number of f/8 or slower

    Call for pricing.