C Mount to M42 Screw Thread Lens Mount Adapter Inner 25.4mm with flange

C Mount to M42 Screw Thread Lens Mount Adapter Inner 25.4mm Outer M42 C-M42

RMS-M52 Flange Adapter RMS Thread to 52mm x0.75 for microscope objective Camera

M30 x0.75 Female To M42 x1 Male thread Screw Camera Lens Adapter M30-M42 flange

M32-M42 M32 x0.75 Female To M42 x1 Male thread Screw Camera Lens Mount Adapter

RMS-M58 Flange Adapter RMS Thread to 58mm x0.75 for microscope objective Camera

M35-M42 M35 x0.75 Female To M42 x1 Male thread Screw Camera Lens Mount Adapter

M25-M42 M25 x0.75 Female To M42 Male thread Screw Camera Lens Adapter