Nauticam Extension Ring 70 with Focus Knob User manual

Please follow the instructions below to mount the Extension Ring on a port.
1.
Confirm that the e
xtension rin
g is unlocked,
Press the RED bar to unlock the locking device of
the extension ring.
2.
Align the " " mark on the extension ring with
the WH TE dot on the port.
3.
Gently push the extensio
n ring towards the
port until it cannot go any further.
1

4.
Turn the extension ring clockwise until the white
dot on the extension ring aligns with the white
dot on the port.
5.
Push the locking device inwards. Ensure that the
extension ring is securely locked with the port.
6.
To unlock press the RED bar to release the locking
device and reverse the above procedures.
2
Press
Push inwards

*Please refer to the housing manual for procedures to mount the port on the housing.
7.
M
ake sure the control k
nob is at its most
outwards position before mounting/ un-
mounting the port. The knob should be left at
this position until it is made sure that the lens
and focus gear is properly installed.
8.
Engage the gear by pushing the knob
inwards, then turn the knob both ways to
check if the lens focuses.
3

The control knob of this extension ring can be used with focus gear of Canon EF 11-24mm f/4 USM (P.N.
19551) and Canon EF 16-35mm f/2.8L II USM (P.N. 19527). The control knob is set to be use with 19551 by default.
To use 19542 a larger cog (supplied) have to be installed. Please follow the instruction below for changing the cog of
the control knob.
------ END ------
4
1. ndentify of cogs.
For 19551
C1124-F
For 19542
C1635II-F
2.
Remove the cog by unscrewing the screw
.
3.
Replace with the correct cog and install it
back to the shaft of the control knob by
tightening the screw.