[LENS RING ADAPTER] This C Mount microscope camera adapter is designed for 120X, 180X, and 300X magnification lenses, making it an essential tool for connecting cameras to microscopes with a working diameter of 42mm or 50mm. [PRECISE DIMENSIONS] With an inside diameter of 42mm/50mm and an outside diameter of 50mm/58mm, this adapter ensures a secure fit for various microscope setups, crafted from aluminum alloy for reliable performance. [WIDE COMPATIBILITY] for microscopy applications, this adapter seamlessly connects C Mount cameras to microscope lenses, enhancing imaging capabilities for research, education, or industrial purposes. [LIGHTWEIGHT MATERIAL] Made from lightweight yet sturdy aluminum alloy, this adapter resists wear while maintaining accuracy for clear and stable imaging results.