Nokia RM-57 Service Manual page 307

RM-57/58
Camera Module Troubleshooting Nokia Customer Care
Figure 75 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. This is normal behaviour; do not change the camera module.
Figure 76 A lens reflection effect caused by sunshine
Issue 1 Company Confidential Page 8–9
Copyright ©2005 Nokia. All Rights Reserved.