Combined riflescope and camera

Combined riflescope elevation adjustment knob and windage adjust

Combined riflescope eyepiece housing and switch assembly

Combined service equipment receptacle and holder for spectacles

Combined studio and field television camera lens shade

Combined sunglasses and visor

Combined telescope and mounting ring for handicapped patients

Combined ultraviolet lamp and magnifying lens for authenticating

Combined visor and eye shield

Compact microscope

Compact night vision device

Compact night vision monocular

Compact spotting scope

Compact spotting scope

Compact spotting scope

Compact spotting scope

Computer aided drafting portable viewer

Concentrator lens

Condensing lens system

Confocal microscope imaging head