RM-994/ RM-995/ RM-996
Camera Module Troubleshooting
NOKIA INTERNAL USE ONLY Page 113
Copyright © 2013 Nokia. All rights reserved.
Effects of dirty or defective camera lens protection window
The following series of images demonstrates the effects of fingerprints on the camera protection window.
Note: The effects of any dirt in images can vary very much; it may be difficult to judge if the window
has been dirty when some image has been taken or if something else has been wrong. That is
why the cleanness of the protection window should always be checked and the window should be
wiped clean with a suitable cloth.
Figure 28 Image taken with clear protection window
Figure 29 Image taken with greasy protection window
Bright point light sources might cause images that have flares around the light source if the protection
window is dirty. A smeared fingerprint may be hard to see on the protective window but if will affect the
image quality. These flares can be avoided by cleaning the window with a suitable cloth.
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