B4 2/3" to Canon EF Adaptor

An original design by Mike Tapa and Alister Chapman.

The B4 2/3" broadcast lens to Canon EF adaptor is a useful way of utilising all of your B4 mounted lenses on APS-C and Super35 sized sensor cameras such as the Canon 7D, the Canon C300 and the Blackmagic Cinema Camera EF, as well as the upcoming Blackmagic Production Camera 4K.

Please note: if using the adaptor with a Canon 1D C, the camera must be in video mode set to Super35 crop.

Solid all aluminium construction.
Chrome plated Canon EF mount.
Multi layer coated optics.
Complete with support bridge.
Complete with front and rear caps.

(Can only be used on B4 2/3" lenses with built in 2X extender engaged, HD lenses recomended)