Photographic objective with a fastening device

Details Photographic objective with a fastening device Photographic objective with a fastening device

1983-09-30

1986-02-25

Punter, William H.

354293, G02B 702, G03B 1700

Patent

active

045726124

ABSTRACT:
Disclosed is a photographic objective with a long focal length and a fastening device for a stand comprises a tubular structural element carrying optical elements, surrounded by an essentially annular holder. This holder is stationary in the axial direction and rotatable around the structural part. In addition to the fastening element capable of being joined to the stand, there is mounted in the outer wall of the holder means for locking the holder in predetermined positions.

REFERENCES:
patent: 1357996 (1920-11-01), Koehler
patent: 4249799 (1981-02-01), Iglesias

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