MB-EF-FZ-BT1 Sony FZ-EF - MetabonesEAN  4897050181706

Electronic

Viewfinder display of aperture, zoom and distance. (Distance display requires lens which supports distance information.)
Auto exposure.
Assignable function button.
Supports image stabilization (IS) lenses.
Power is supplied by camera body. No external power source is required.
Adapter firmware is user-upgradable through the built-in micro USB port.

Optical/mechanical

Extra-large, geared iris ring.
Secure breech-lock for locking the EF/EF-S mount lens solidly.
Flocking material is coated inside the opening to reduce internal reflection.

Tested Lenses
Canon EF Primes

EF 40/2.8 STM
EF 50/1.2 L USM
EF 50/1.8 II
EF 85/1.2 L II USM
EF 100/2.8 USM
EF 135/2L
EF 200/2.8 L II

Canon EF zooms

EF 28-80/3.5-5.6 II
EF 35-80/4-5.6
EF 70-200/2.8L IS USM II
EF 70-200/4L USM
EF 70-200/4-5.6L IS USM
EF 70-300/4-5.6L IS USM
EF Extender 1.4x III, EF 70-200/4 L USM

Canon EF-S

EF-S 17-35/2.8 IS USM
EF-S 18-55/3.5-5.6 IS II
Sigma

50/1.4 EX DC HSM
50/1.4 DG HSM
17-35/2.8-4 EX DG HSM
18-35/1.8 DC HSM ART
18-125/3.8-5.6 DC OS HSM

Tamron

SP 17-50/2.8
SP 24-70/2.8
SP 70-200/2.8

Tokina DX

AT-X PRO SD 11-16/2.8 (IF) DX