Binoculars, telescope, or the like
Biological specimen holder for microscopic examination
Bioptic telescope system embedded into a spectacle lens
Bioptic telescope system for use with bifocal spectacle
Booster lens for a microscope
Borescope
Borescope with simultaneous video and direct viewing
Bottle telescope
Braced microscope
Branch image pickup and view system
Bright and dark field switching device and microscope
Bright-field transmitted-light lighting device for microscopes
Brightness intensifier tube with alignment marker
Broadband telescope
Building with roof mounted periscope
Camera attachment system and illuminating system for a microscop
Can telescope
Carriage for optical elements in an optical sighting device
Carriage for optical elements in an optical sighting device
Case for holding a binocular