Multi-stage extension type zoom lens barrel

Multi-stage-extension zoom lens barrel assembly

Multi-step eyepiece

Multi-step locking eye cup twist up device

Multi-wavelength lens, and optical system, optical head and...

Multidirectional single surface optically shaped film

Multifocal lens system for digital cameras

Multifocal optical lens

Multifunctional optical device

Multilayer polymer gradient index (GRIN) lenses

Multimodal miniature microscope

Multimode optical source and image scanning apparatus using the

Multiple field of view changing apparatus for an optical system

Multiple imaging system

Multiple lens support

Multiple magnification optical system with single objective...

Multiple mirror catadioptric optical system

Multiple position lens barrel having cam cylinder with...

Multiple ramped athermal compensation apparatus

Multiple reflective lenses and lens systems