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2 Products Found
71F
Askar 111f
$1,499.00
Askar 111F Flat-Field Quadruplet Refractor Explore the sky with the Askar 111F Flat-Field Quadruplet Refractor, a versatile self-flattened astrograph designed for both visual observing and astrophotography. Features a 111mm aperture,...
Askar 71F
$659.00
Explore the Universe with the Askar 71F Quadruplet Flat-Field Astrograph Optimal Optical Design: Features a quadruplet air-spaced APO lens with one piece of ED glass, effectively reducing chromatic aberration...