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C. G. Anderson | all galleries >> Caves and Caving >> StenLight S7 Review > 5 degree and 25 degree collimator beam pattern
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5 degree and 25 degree collimator beam pattern
23-SEP-2005

5 degree and 25 degree collimator beam pattern

This combination still shows the shadow halo induced by the 5 degree collimator, though the overall patterns is more diffuse.

Be advised these screen shots were made by a rear projection technique. The lamp was approximately 1 foot behind the screen and the camera about three feet in front. They are only meant to show beam pattern and artifacts.

Olympus C-8080WZ
1/3s f/2.8 at 16.1mm iso50 full exif

other sizes: small medium original
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