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)

Lens Fit Reference: 

Technical Details

Spec Build Quality: 
HE30 Aluminium Body Chrome plated Canon EF mount

Product Code: MTB4CANEF

Price excludes VAT