| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical position detector for a shake correcting device in which the moving amount in the detecting axis direction of a shake correcting optical system and output of a light receiving part show a linear relation, which does not have sensitivity in the direction orthogonal to a detecting direction and whose position detecting accuracy in the detecting axis direction is high, and to provide a shake correcting interchangeable lens. SOLUTION: Reflectors 3a and 3b reflecting light projected by a detector 6 are provided to move integrally with a shake correction lens 1, and have such a pattern that the gradation of variable density changes non-linearly in the detecting direction so that a signal outputted from the light receiving part of the detector 6 changes linearly to the moving amount of the reflectors 3a and 3b in the X-axis direction or the Y-axis direction. |
