Binoculars
Binoculars capable of quickly moving lens covers to a retracted
Binoculars having correction device correcting alignment errors
Binoculars having diopter adjustment
Binoculars having displaceable optical elements
Binoculars having lens barrels movable between open and...
Binoculars including separate focusing and diopter adjustment
Binoculars of the center focus type with lock means for locking
Binoculars with a convergence angle correction mechanism
Binoculars with adaptive reticle display and associated methods
Binoculars with an integrated laser rangefinder
Binoculars with built-in gyroscope for steadying
Binoculars with dioptric and focus adjustment
Binoculars with extraction of a portion of light rays
Binoculars with light-shielding mechanism
Binoculars with variable and fixed focus adjustments
Binoculars, telescope, or the like
Bioptic telescope system embedded into a spectacle lens
Bioptic telescope system for use with bifocal spectacle
Bottle telescope