Handbook for the SX-56 Full Frame camera Issue 1, 25
th
October 2017
3) Grip the upper and lower shutter wall plates and ease the shutter assembly forwards, you can then tilt
it downwards to rest on the bench top. Note that the shutter blind drums are not fixed to the motor
shafts (sliding fit, flatted holes are used) and it may slide off the motors. Do not worry if this happens -
just rotate the motor shafts to align with the flats in the shutter drums and slide them back on.
The sapphire chamber window is now easily accessible for cleaning. Although the sapphire is extre-
mely hard and scratch resistant, be careful not to damage the anti-reflective coating. It is generally best
to use an air cannon or soft brush to remove any loose particles. More stubborn particles can be shifted
by spraying with a good quality lens cleaning solution and wiping with a soft ‘microfibre’ cloth.
