Optitek Prolock-i EF-FZ Mark III adapter

This adapter allows Canon EF mount lenses on Sony’s F3, F5 and F55 cameras, with full electornic iris control.

Positive locking mechanism for unmodified, stock Canon EF mounted lenses.
Electronics built inside allow for control of iris via buttons or Hand controller and accept OptiTron EFF (electronic follow focus for focus control via the AF motors built into the AF lenses.
Image stabilization is activated on lenses so equipped.
Lens information display in the camera VF and data stream for recording.
Mark3 advantages/features:
New latest generation processors.
Auto initialization for iris.
1/8 stop iris increments.
No more “1 step per button click” now when you hold down the button the iris opens and closes smoothly.
Full compatibility with the newest Tamron 24-70 f2.8 VC, 70-200 f2.8VC, 15-30 f2.8VC lenses.

Camera Mount Sony FZ
Lens Mount Canon EF
Physical Dimensions H: 3.0 x W: 3.2 x D: 1.2″ / H: 7.6 x W: 8.2 x D: 3.2 cm
Weight 5 oz / 143 g

Front cap
Rear cap

Related Products

Lenses, Prime Lens Sets
Lenses, Prime Lens Sets

Let's talk

Projects are unique, and their requirements are individual. Our experts are on hand to build, engineer, crew, and plan bespoke solutions for your shoot. In even the most challenging environments, we power your productions.