Fast aspherical zoom lens system
Fast wide angle zoom lens
Fast zoom lens system
Finder optical system
Finite conjugate distance zoom lens system
Fisheye lens system and a fisheye zoom lens system
Fisheye lens system and a fisheye zoom lens system
Five-element telescopic zooming lens
Five-group zoom lens and projection display device including it
Fixed focus, optically athermalized, diffractive infrared...
Flexible printed circuit board supporting structure of lens barr
Focal length changeable lens system
Focus adjusting apparatus of zoom lens
Focus adjusting apparatus of zoom lens
Focus adjusting mechanism and portable electronic device...
Focus adjustment method of zoom lens system
Focus corrector for zoom projection lenses used with...
Focusable virtual image display
Focusing a laser beam
Focusing a laser beam