1991-07-30
1994-03-15
Gellner, Michael L.
3541451, 354295, G03B 2900
Patent
active
052949486
ABSTRACT:
A camera apparatus for macrophotography is provided, having an attachment with a fixed lens, a translucent cap removably attached to the subject-side end of the attachment, and a contact disk or spacer ring attached to the subject-side of the cap and which defines a plane which includes the lens focus. The cap preferably is translucent, permitting flashtube light to be directed from the attachment to the target to be photographed.
REFERENCES:
patent: 4519684 (1985-05-01), Francis, Jr. et al.
Photomed'1, 1988, pp. 27-32.
Merkt Norbert
Schmidt Otto H.
Schneider Anton
Blankenship Howard B.
Gellner Michael L.
Heine Optotechnik GmbH & Co. KG
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