Use Of Special Glasses In Visual Objective Lenses

lain A. Neil

doi:10.1117/12.940205

10 June 1987 Use Of Special Glasses In Visual Objective Lenses

lain A. Neil

Proceedings Volume 0766, Recent Trends in Optical Systems Design and Computer Lens Design Workshop; (1987) https://doi.org/10.1117/12.940205
Event: OE LASE'87 and EO Imaging Symposium, 1987, Los Angeles, CA, United States

Abstract

Continuous development of lenses for photographic applications has led to the design of a variety of high performance objective lenses. Several fixed focal length lens designs are concentrated upon in the paper with particular attention being paid to the utilization of special glass types and how they influence the overall performance of the final lens design. The paper also illustrates how severe requirements imposed at the design stage have resulted in substantial improvements in overall performance compared to previous lens designs. Important features including low f/number, low T/number, low residual secondary colour and constant colour balance are described for different focal length lenses.

Citation Download Citation

lain A. Neil "Use Of Special Glasses In Visual Objective Lenses", Proc. SPIE 0766, Recent Trends in Optical Systems Design and Computer Lens Design Workshop, (10 June 1987); https://doi.org/10.1117/12.940205

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