Design and fabrication process for a lens system optically...

Design and fabrication process for a lens system optically...

Designing method of zoom optical system

Detachable zoom lens assembly

Detection device for a confocal microscope

Device and method for assembling lens into lens barrel

Device for adjusting air gap between lenses

Device for adjusting the eccentricity of a lens in a frame

Device for beam guiding a laser beam

Device for controllably moving an optical element

Device for controlling a zoom lens

Device for correcting perspective distortions

Device for detecting zoom lens positions and apparatus employing

Device for determining focal position of zoom lens

Device for displacing an optical element along the optical axis

Device for driving object lens

Device for emitting light diverging along imaginary plane

Device for equalizing light strength of light source

Device for equalizing the back foci of objective and camera

Device for guiding and controlling displacement of a mobile memb