| 摘要 |
PROBLEM TO BE SOLVED: To determine whether a focus is deviated forward or rearward easily when fine adjustment of an auto-focus is performed. ! SOLUTION: The auto-focus fine adjustment auxiliary tool comprises: a base part formed of a slender sheet or a plate body, on the surface of which patterns are displayed with equal intervals in a longitudinal direction; and a target plate standing in the vicinity of a center of the base part, so that the surface thereof faces an angle of 90 degree or more and less than 180 degree with respect to the base part surface, disposed in parallel to a line segment on the base part surface orthogonal to the longitudinal direction of the base part, and on the surface of which a pattern is displayed. ! COPYRIGHT: (C)2015,JPO&INPIT |
