For precise control of lenses with range smaller than 320°, in/out range calibration is available.
Price: 1.580 €
Its matchless option of memorizing four different focus or zoom positions, allows automatic recall at any point of shooting with simplistic memory buttons located on the ergonomic control panel. The replay speed between the stored positions is also adjustable. The system allows remote recording and trigger command for Cannon DSLRs. For night working mode, there is a practical glowing ring.
All Recall Focus Duo runs on rechargeable lithium batteries, which allow up to 6 hours of work. The set includes spare battery as well, so it is very convenient for out-of-door sets.