Nokia RM-51 Service Manual page 217

RM-51
Camera module troubleshooting Nokia Customer Care
Figure 165 Flicker in an image; object illuminated by strong fluorescent light
Bright light outside of image view
Especially the sun can cause clearly visible lens glare phenomenon and poor contrast in images. This happens
because of undesired reflections inside the camera optics. Generally this kind of reflections are common in all
optical systems.
Figure 166 A lens reflection effect caused by sunshine
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