1. Homemade eyepieces

    by , 11-12-2012 at 04:05 PM
    Some design with eyepiece lens sets, this eyepiece set was bought from surplusshed. They cal it super plossl. Received two achromats and one DCX (5 elements in 3 groups).

    The approximate specs are:
    26mm focal length
    Possibly a bit more than 60º apparent field of view
    Eye relief of about 12mm
    Initial impressions are of a sharp on axis eyepiece, with field curvature, good for seeing star fields, limited use for faint objects due to coatings. Nice images daytime. ...

    Updated 11-14-2012 at 01:51 AM by gmazza

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    Do it yourself astro gear
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