C Mount (25mm 0.75mm Thread Pitch) to T T2 (42mm 0.75mm Thread Pitch) C Mount-T2 mm Male to Female Coupling Ring Adapter for Lens Filter

C Mount (25mm 0.75mm Thread Pitch) to T T2 (42mm 0.75mm Thread Pitch) C Mount-T2 mm Male to Female Coupling Ring Adapter for Microscope trinocular phototube

Sonew 10MP HD Network Camera Lens 75mm Focus Length Manual Aperture Industrial Lens C Mount

CamDesign Sides Pinch Snap-On Front Lens Cap/Cover Compatible with Canon, Nikon, Sony, Fujifilm Pentax All DSLR Lenses (95 MM)