M42-M58 M42 x1 Female To M58 x1 Male thread Screw Camera Lens Mount Adapter

Flange M40 x1 Female To M42 X1 Male thread Screw Camera Modify Lens Adapter

M38-M42 M38 x1 Female to 42mm x1 Male Screw Thread Camera Lens adapter

RMS-M42 Suit For New RMS Thread to M42 X1 for microscope objective flat Adapter

M39-M42 M39 x1 Female To M42 Male thread Screw Camera Lens Adapter

42mm-52mm M42 x1 Female To M52 x1 Male thread Screw Camera Lens Mount Adapter

M32.5-M42 M32.5 x0.5 Female To M42 x1 Male thread Screw Camera Lens Adapter

M40-M42 Flat Modify Lens Adapter M40 x1 Female To 42mm x1 Male thread Screw