Method and apparatus for internally zeroing a sight

Method and apparatus for preventing application of excessive...

Method and apparatus for producing diffracted-light contrast...

Method and apparatus for three-dimensional microscopy with enhan

Method and apparatus for three-dimensional microscopy with...

Method and apparatus providing improved visual capabilities...

Method and arrangement for changing the spectral composition...

Method and device for adjusting eye range by means of...

Method and device for changing light in an adjustable manner

Method and device for focusing and diopter compensation of a...

Method and system for mirror telescope configuration

Method and system for wide-field multi-photon microscopy...

Method for adjusting a lamp relative to an illuminating beam...

Method for adjusting a microscope and microscope with a...

Method for adjusting confocal microscope

Method for automatically aligning telescope

Method for beam control in a scanning microscope,...

Method for correcting optical wavefront errors and optical...

Method for examining a specimen

Method for external excitation of subwavelength light sources th