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Cleaning the Field Lens
• By briefly depressing the “PHASE”-button, the shutter is
positioned to protect the mirror surface from damage as
far as possible.
• Before cleaning the field lens, switch the camera’s main
switch off and disconnect the camera from the power
supply!
• Remove the lens or the protective cap.
Do not touch the mirror surface!
• Pull the ground glass ➪ photo out of the holder by its
tongue ➪ photo using the special forceps.
• Using the special forceps, first lift the field lens ➪ photo
upwards by its tongue ➪ photo then pull it out of its
holder.
• Clean the field lens with a dry, lint-free cloth.
• Make sure that the frame is completely clean.
• Using the special forceps, push the field lens as far as
it will go into the holder. A ball catch fixes the field lens
in the correct position.
• Check if the ground glass to be used and the ground
glass frame are completely clean.
• Using the special forceps, push the ground glass into
the holder as far as it will go. A ball catch fixes the
ground glass in the correct position.
• Check that the ground glass is locked in place.
tonguefield lens
Maintenance
ground glass