Canon EOS Camera Adapter with large 1.875" (47.6mm) diameter stainless steel bayonet and 2†nosepiece. To be used with DSLR cameras. (PFCLEOS) - Astro-Physics
Camera Lens Mounts - Everything You Need to Know About Lens Mounts
Camera Lens Mounts - Everything You Need to Know About Lens Mounts
Camera Lens Hood Es-68 Bayonet Mount For Canon Ef 50mm F/1.8 Stm 49mm Filter Lens (incompatible With 50mm F/1.8 Ii) - Camera Lens Hoods - AliExpress
Introduction to Lens Mounts and Lens Adapters | B&H eXplora
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Polaroid Bayonet Lens Mount Adapter, Canon EOS Lenses to the Pentax Q Camera Body - Walmart.com
FotodioX Pro Lens Mount Adapter Kit R35-EOS-GFX-PRO B&H Photo
Amazon.com : NEEWER 18mm HD Wide Angle Compatible with Sony ZV1 Camera & 2 in 1 10x Macro Additional Lens with Extension Tube, Bayonet Mount Lens Adapter, Screen Protectors and Cleaning Kit : Electronics