| 摘要 |
PROBLEM TO BE SOLVED: To provide a regulator of an interchangeable lens, which accurately measures deviations between optimum focus positions for open F values and that for an F value of an AF sensor and records them in the interchangeable lens. SOLUTION: In the regulator of the interchangeable lens, a Hartman plate 20 provided with a plurality of pairs of pinholes correspondingly to a plurality of open F values of a photographic lens 23 is arranged between an interchangeable lens unit 12 and an infinity collimator 11, and a CCD 41 is arranged in a prescribed position in the vicinity of an imaging surface of the interchangeable lens unit 12. Optimum focus positions corresponding to open F values of the photographic lens 23 and the aperture F value of the AF sensor are calculated in a personal computer 43 on the basis of intervals of the plurality of pairs of pinholes of the Hartman plate 20 and those of a plurality of pairs of pinholes on the CCD 41, and this information is recorded in a flash ROM 31 in a CPU 30. COPYRIGHT: (C)2005,JPO&NCIPI |
