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Astro-Physics F/7.7 Field Flattener for 160 F/7.5 StarFire EDF

As CCD chip size continues to increase, more and more serious imagers are looking for precision optical devices to assist them in their endeavors. Back in "the old days," medium format film cameras were the kings for astro-imagers, and Astro-Physics developed the 4" Giant Focuser and individual Prime Focus Field Flatteners for its faster focal ratio, big refractors to take full advantage of the film size. CCD cameras have now reached the size where they too can benefit from larger components designed to fit the 4" Focuser.


These optics were specifically designed to work with the very popular SBIG lines of cameras, especially the STL line.

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