One light and varying the Aperture

Wine glass one light experiment
One light with a gel and varying apertures

This was a very simple setup.  A roll of white seamless paper, a Q Flash at 1/64th power being triggered by a Pocket Wizard (any flash and any triggering system would work fine), a wine glass camera and tripod.  I used ISO 200 for optimal image quality and shot from f2.8 in the upper left corner to f22 in the lower right corner.  Shutter speed was a constant 1/160.  With flash the exposure is almost solely controlled by aperture.  At some point if I slowed down the shutter speed to around 1/10th of a second the ambient (room) light might start to influence the exposure.

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