C-mount Reduction Lens Adapter for Microscope CCD CMOS USB Camera 0.3X 0.4X 0.5X

0.3/0.4/0.5X C-mount Adapter Lens f CCD CMOS Industrial Camera Digital Eyepiece

0.4X Microscope C Mount Adapter Reducing Relay Lens for USB Eyepiece CCD Camera

0.3X C-mount Microscope Adapter for CCD Cmos Camera Digital Eyepiece Relay Lens

Microscope Adapter 1X C-Mount 23.2mm Adapter For CCD Camera Eyepiece LensAdapter

5MP USB CMOS Camera HD Digital Electron Microscope Eyepiece W/C Mount Adapter

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Microscope C-mount Adapter for USB Camera Digital Eyepiece Relay Lens 1 X