Focusing a laser beam

Focusing a laser beam

Focusing apparatus for a folded collimating lens in an X-ray ima

Focusing apparatus for a surveying instrument

Focusing apparatus for an optical apparatus

Focusing apparatus in projection television

Focusing apparatus of a telescopic lens system

Focusing control apparatus with aberration compensation

Focusing device

Focusing device and a telescopic tube module thereof

Focusing device and a telescopic tube module thereof

Focusing device and imaging device

Focusing device comprising a Luneberg lens including a...

Focusing device for a binocular instrument

Focusing device for an optical mechanism

Focusing device for digital camera module

Focusing device of binocular

Focusing drive for optical instruments

Focusing in microscope systems

Focusing lens control apparatus with automatic and manual focus