An original design by Mike Tapa and Alister Chapman. Now with our new locking Canon mount for a solid fit All new stainless steel EF mount, Sony E mount and locking ring. Simply fit the lens in the normal way, then turn the ring to pull the lens in tightly The B4 2/3" broadcast lens to Sony E-mount package is a useful way of utilising all of your B4 mounted lenses on any Sony E mount camera with S35 or APS-C mode By detaching the E-mount from the rear of the package, it can also be used on APS-C sized sensor cameras such as the Canon 7D and the Canon C300, as well as the Canon 1D C and the new Sony A7s (both when used in Super35 crop mode only). Solid all aluminium and stainless steel construction.Multi layer coated optics.Complete with the updated LOCKING MTF Canon EF to Sony E-mount adaptor.Complete with support bridge.Complete with Canon front and rear caps. (Can only be used on B4 2/3" lenses with built in 2X extender engaged. HD lenses recommended)
