Wide-angle zoom lens with removed forward entrance pupil

Irina L. Livshits-Anitropova; Michael M. Russinov; Igor G. Bronchtein

doi:10.1117/12.322008

21 September 1998 Wide-angle zoom lens with removed forward entrance pupil

Irina L. Livshits-Anitropova, Michael M. Russinov, Igor G. Bronchtein

Proceedings Volume 3482, International Optical Design Conference 1998; (1998) https://doi.org/10.1117/12.322008
Event: International Optical Design Conference, 1998, Kona, HI, United States

Abstract

Some ideas of design zoom lenses with removed forward entrance pupils (pinhole zoom lenses) are presented. The methodology and current status will be discussed in this paper. Number of examples illustrate approaches proposed: optical extension adapter which allows to use together a pinhole lens with fixed focal length and video-camera zoom lens to form a zoom pinhole lens; three positive components, including linearly moving collective lens to provide variable focal length.

Citation Download Citation

Irina L. Livshits-Anitropova, Michael M. Russinov, and Igor G. Bronchtein "Wide-angle zoom lens with removed forward entrance pupil", Proc. SPIE 3482, International Optical Design Conference 1998, (21 September 1998); https://doi.org/10.1117/12.322008

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