Fluorite Crystal

50FL objective (part # 2551) and fluorite crystal

Test run for commercial production has been done.  It is expected to be available by end of this month.

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~ by tedishikawa on June 2, 2011.

2 Responses to “Fluorite Crystal”

  1. Hi Ted,

    just curious, what is the focal length of the new 50FL lens? is it same as the 50mm Achromatic (250mm)?

    thanks
    Pavel

  2. Pavel,

    It’s 400mm f.l., F8. So more intended for nature photography including lunar and solar imaging. Fluorite, 50mm aperture and F8, virtually perfect corrections as you can imagine. It’s so sharp indeed.

    Ted

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