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Depending on the temperature and humidity, the protecting filter may mist because of vapor or your breath. To ensure that the viewfinder is always clear, replace the protecting filter with a fog-proof filter (Part No. 1-547-341-11, not supplied).
Fitting the fog-proof filter
Detach the protecting filter from the packing ring, and replace it with the fog-proof filter.
Be sure to correctly assemble the fog-proof filter, the packing ring, and the eyecup so that the reassembled eyepiece is waterproof.
Note
When cleaning the fog-proof filter, wipe it very gently with a soft cloth to avoid impairing the anti-fogging coating.
Detach the protecting filter from the packing ring.
For more information, see Section 5-2-4 “Detaching the Eyepiece” (page 5-15).
2 Remove the eyecup from the eyecup holder.
3 Remove the protecting filter together with the packing ring from inside the eyecup holder.
Detach the eyepiece unit from the viewfinder.
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Chapter 6 Maintenance