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Optical Accessories
Universal Follow Focus Device FF-3
With the Universal follow focus device the operator can
focus the lenses from his working position. He uses the
follow focus knob or a flexible shaft to focus. This can
be attached on the left or the right side. The switchable
step-down gear allows the lens to be optimally adapted
to the scene. The Universal follow focus device can be
used on prime and zoom lenses. Mounting is also
possible if the matte box or other accessories are
attached. Markings can be made on and removed from
the marking disks. The groove and pin ensure that the
markings can be reproduced.
Mounting
Depending on the lens used, the adjustable arm can be
swung onto the lens geared ring from above or below,
and the gear shaft can be attached from in front or behind.
• Snap the Universal follow focus device onto the
support rods.
• If appropriate mount the lens support.
• Attach the lens and turn the follow focus ring to infinity.
• Attach the gear to the swing arm from in
front or behind and fasten with the knurled knob .
• Slide the follow focus device onto the support rods
and swing the swing arm onto it so that the gear shaft
locks into the toothed drive ring on the lens allowing
no free play.
• Set the swing arm in place with the locking screw .
• Clamp the follow focus device onto the support rods
with the locking lever .
• Check for play by turning the follow focus device
in both directions.
• If appropriate reset: loosen the clamps from the follow
focus device and loosen the swing arm, reset the play
and retighten the clamps.
• For use from the right side: attach the right-hand focus
knob and fasten with the locking knob .
• When using some short focal range lenses, the
extension included with the device should be mounted
on the right side of the follow focus device. The focus
knob is then attached to the extension.
• The follow focus lever which is included with the
device can be attached left or right on the focus knob.
• If using a flexible shaft: slot in the shaft right or left on
the focus knob. Set up the focus knob at the other end
of the shaft.
• Turn the marking disk into the desired position
and fasten with the knurled knob .
The locking lever can be fastened in various
positions:
• Pull the locking lever outwards and turn in the desired
direction.