C mount
From emboxit
- http://www.widescreen-centre.co.uk/Catalogue/SLR%20Lens%20Mount%20Adapters.html
- http://www.edmundoptics.com/optomechanics/modular-mounting-components/c-mount-components/
- http://www.truetex.com/micad.htm
- http://www.bhphotovideo.com/c/product/116967-REG/General_Brand_C_Mount_Adapter_for_Pentax.html
- http://en.wikipedia.org/wiki/Lens_mount