Supporting structure for supporting a rotatable ring

Switching mechanism for camera device

Switching/moving structure of a zoom lens

Systems and methods for reducing rain effects in images

Taking lens device

Taking lens drive unit

Telescoping type of zoom lens and cam mechanism therefor

Three-lens-unit zoom optical system

TV camera lens driving device and TV camera lens

Two-focus switchable lens

Two-stage lens driving device

Variable focal length lens unit

Variable focal length optical system

Variable focus lens device in camera

Variable power lens barrel and camera

Variable zoom lens hood

Variable-focus photographic camera

Variable-magnification optical system and image-taking...

Viewfinder and camera having a viewfinder

Viewfinder mounting structure for camera