Rear focusing type zoom lens system
Rear focusing zoom lens
Rear focusing zoom lens
Rear focusing zoom lens
Rear-focus type zoom lens suppressing fluctuation of aberration
Rear-focus type zoom lens with movable second and fourth lens un
Rear-focus zoom lens device and video camera
Rear-focus-type zoom lens
Rear-focusing telephoto lens system
Reduced diameter camera lens barrel with lens shift device and i
Reduction gear mechanism
Reflecting type of zoom lens
Reflecting type of zoom lens
Reflecting type of zoom lens
Reflex, magnifying optical system
Refractive multispectral objective lens system and methods...
Resetting mechanism for electronic theodolite
Retractable type lens barrel
Retractable type lens barrel
Retractable zoom lens