AdoramaTV Presents Digital Photography One on One. In this week's episode Mark answers questions from viewers in this viewer feedback special. Topics include: motion blur and its relation to aperture, shutter speed and exposure, good and bad bokeh, black and white photos, the inverse square law, speedlights and the Lastolite EZYBox, noise in pictures and ISO settings.

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Send your questions to: AskMark@Adorama.com

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