CPC G01M 11/0257 (2013.01) [H04N 23/63 (2023.01)] | 10 Claims |
1. A lens apparatus evaluating method comprising the steps of:
acquiring first data on a performance of the lens apparatus, which changes along with use of the lens apparatus, the first data including an aberration of the lens apparatus after use of the lens apparatus;
acquiring second data on a first reference performance of the lens apparatus, the second data including an initial aberration of the lens apparatus before use of the lens apparatus;
acquiring third data on a design performance of the lens apparatus, the third data including predefined reference aberration of the lens apparatus as designed; and
determining a deterioration degree of the performance of the lens apparatus using the first data, the second data, and the third data.
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