Optical: systems and elements – Lens – With support
Patent
1995-01-09
1996-05-28
Ben, Loha
Optical: systems and elements
Lens
With support
359813, G02B 702
Patent
active
055217648
ABSTRACT:
A device according to the invention enables a high-precision adjustment of lenses or lens groups in a mounted high-performance lens system at any time. The lens or lens group to be adjusted is fixed in a lens mount which is held in a frictional engagement in a first mount. The fit clearance between the lens mount and first mount which is arranged in the high-performance lens system so as to be substantially virtually free of play radially is at least as great as the desired adjustment region. Piezoelectric translators are arranged in the wall region of the lens mount so as to be parallel to the optical axis and act against the contact-pressing force bringing about the frictional engagement during the adjustment process so that the force required for the displacement of the lens mount in the first mount via radially acting adjusting members is small.
REFERENCES:
patent: 3704658 (1972-12-01), Uesugi
patent: 3989358 (1976-11-01), Melmoth
patent: 4387970 (1983-06-01), Brueggemann
patent: 4929073 (1990-05-01), LaPlante et al.
patent: 4961627 (1990-10-01), Swain et al.
patent: 5339193 (1994-08-01), Korpert et al.
OE Report No. 67, p. 13, Jul. 1989, Published by the Society of Precision Instrument Engineers (SPIE).
Balogh Istvan
Schmidt Joerg-Peter
Ben Loha
Jenoptik GmbH
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