Basketball hoop glasses
Basketball-shaped magnifying viewer
Basketball-type binoculars
Battery grip for single-lens reflex camera
Battery housing of rifle scope or similar article
Beam splitting adjustable C-mount optical coupler
Beam splitting adjustable optical coupler
Bean bag camera support
Bendable spectacle temple
Bifocal lens or similar article
Bifocal magnifier
Bifocal safety glasses
Bill clip-on, tilt-up sunglasses
Binocular
Binocular
Binocular
Binocular
Binocular
Binocular
Binocular