Camera and lens barrel for use in the camera
Camera capable of displaying the level of visual effect
Camera having an aperture controllable shutter
Camera system
Camera system having power zoom lens
Camera with diaphragm restriction clearing section
Camera with learning function
Device and method for sensing brightness
Diaphragm device having full-open aperture diameter electrically
Image forming apparatus and image forming method
Lens control device
Optical apparatus and shooting system including zoom...
Optical fstop/resolution apparatus and method for specified...
Photometry device
Retractable zoom lens