The silica-gel container is accessible from the back side of the camera head.
The slotted desiccant chamber cap can be unscrewed e.g. by a coin. Pour out
wet silica-gel and fill the chamber with a dry one.
The desiccant container can be left open without the fear from contamination of
CCD chamber interior by dust. There is a very faint stainless steel grid between
the CCD chamber and the desiccant container, so dust particles cannot enter the
chamber itself. It is even recommended to keep the desiccant container cap off
for a couple of hours when the camera is in the room with low humidity. This
helps drying the CCD chamber interior and prolongs the silica-gel exchange
interval.
The desiccant chamber used in G3 cameras can be filled with a hot silica-gel
without a danger of damaging of the container.
Changing Filters
It is necessary to open the camera head to change filters or the whole filter
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Illustration 22: Silica-gel container is under the screwed cap with slot, left from the
cooling fans
