Follow Focus Camera Accessory Device

摘要: A focussing accessory device comprises a ring rotatable with control of video camera responsive to rotation knob. main body the is supported on single mounting rail assembly for relative pivotal movement adjust an orientation camera. The knob coupled input transmission body. An output meshes in engagement ring. reversibly reverse location and output. index marker provided about axis independently therefrom. annular indexing member selectively by magnetic elements which permit only one orientation.