Photographing scope of camera and change interlock feature of range of vision framework size

摘要

(57) Abstract Objective Quite, it consists of simple configuration, the photographing scope andOffer range of vision framework size change interlock feature. Constitution Change function and huai of photographing scope sizeIn the camera which possesses the change function of range of vision framework size of ndaBeing, vis-a-vis the photographing aperture of the said camera, with straight advancing motion advance and retreatThe photographing scope regulation board which it does; Vis-a-vis the above-mentioned range of vision framework, in rotationThe ri the range of vision framework regulation board which moves; The above-mentioned photographing scope regulation board operationse ru rotary Drive means; And, in revolution of the said rotary Drive meansri advancing straight exercising, the straight advancing which turns the above-mentioned range of vision framework regulation boardIt possesses Drive means, the photographing scope and range of vision framework size change runMotive structure.