Optical system having selectable field for inspection

Optical system which allows coincident viewing, illuminating and

Optical system, in particular microscope

Optical unit switching apparatus

Optical viewing device

Optical zoom system for a light scanning electron microscope

Optical zoom system for a light scanning electron microscope

Optical-path switching apparatus, optical-device switching appar

Optical-scanning microscope examination apparatus

Orientation independent differential interference contrast...

Orthogonal high accuracy microscope stage

Orthogonal motion microscope stage

Orthogonal-scanning microscope objective for vertical-scanning a

Pancratic magnification system

Parallel action angular adjustment mechanism

Parcentric objective

Patterned plastic optical components

Personal interface device for positioning of a microscope stage

Phase contrast microscope

Phase contrast microscope for short wavelength radiation and...