Sony A-Mount Lenses to C-Mount Cameras w/ Aperture Dial - Pro Adapter – Fotodiox, Inc. USA
Slit Lamp Adapter for Canon / Nikon SLR
Novagrade Digiscoping Adapter for Canon DSLR Cameras UA-00CA-01
Canon and Nikon SLR/DSLR Camera Adapter for Microscopes – AmScope
Globalmediapro ZD-E6 Dummy Battery Adapter for Canon DSLR Cameras
Full Metal Telescope Camera Adapter T Ring + 1.25" Telescope Mount Adapter + Extension Tube for Nikon DSLR / Canon EOS DSLR|Monocular/Binoculars| - AliExpress
VariMag II Microscope Camera Adapter System - VariMag II DSLR Microscope Adapter System