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Optical Engineering

New Criteria for the Evaluation of Interchangeable Lenses for 135 Cameras
Author(s): Hideki Kondo; Humio Yamaoka
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Paper Abstract

MTF-based simplified test conditions and proposed criteria for the evaluation of the image quality of fixed focal length lenses and zoom lenses for 35 mm cameras are described. Measurements are made for white light, in the infinite conjugate plane, on-axis and at two 0.7 field (15 mm off-axis) positions, at full aperture and f/8. The focus is set at full aperture for best MTF response at 30 mm-1 on-axis. The lenses are evaluated by exam-ining the MTF responses at 10 mm-1 and 30 mm-1. Previously proposed conditions and criteria for fixed focal length lenses are also described for reference.

Paper Details

Date Published: 1 December 1977
PDF: 4 pages
Opt. Eng. 16(6) 166601 doi: 10.1117/12.7972168
Published in: Optical Engineering Volume 16, Issue 6
Show Author Affiliations
Hideki Kondo, Japan Camera and Optical Instruments (Japan)
Humio Yamaoka, Japan Camera and Optical Instruments (Japan)


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