IBE HDx35 Mark II B4/PL Optical Adapter
For using B4 lenses on PL cameras.
The IBE HDx35 adapter allows you to use traditional broadcast B4 Lenses on a range of PL mounted cameras, such as the ARRI Amira, ALEXA Mini and FS7 to name a few.
The adapter can be converted for use directly on EF mounts upon request to allow use of B4 mount lenses on the Canon C300 EF for example.
With using the IBE HDx35 you will lose 2 stops of light.