Adjustable eyeglass mount for a head set
Adjustable eyeglasses
Adjustable head electronic flash unit
Adjustable legs for video camera
Adjustable length temple for spectacles
Adjustable mounting column
Adjustable mounting column
Adjustable optical coupler device
Adjustable photoflash holder
Adjustable stand for mounting a video camera
Adjustable support for digital camera
Adjustable support-type holder for binoculars
Adjusting handles for base assembly for microscopes
Adjustment attachment for spectacle temples
Adjustment lever for attachment to a scope adjustment ring
Adornment for eyeglass temples
Advertisement sign projecting device
Aerodynamic visor-lens sunglasses
Afocal telescope converter attachment for a binocular or similar
Agglutination viewer with fiber optic light pipe and magnetic ma