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First, I am amazed at the things you have done in the last three years. I have talked about you to dozens of people but it was pre-ArsDigita. A lot of water under the bridge in three years!! Obviously, your web experience is impressive and the photography is fantastic. I shoot a Mamiya M645 when I am not chasing my 2, 6 and 8 year old boys around with my wife and when we get a chance to travel. Carried that sucker across Australia/New Zealand and the Middle East. Sorry for the aside, but the point of my comment was...you state "If the film or imaging sensor has the property of silver halide crystals that a threshold certain number of photons are needed before any image will be registered, it may be desirable to pre-flash the entire frame before trying to capture shadow detail. The question here: How many exposures and of what kind do I need with a static subject to completely capture the scene for all practical aethestic purposes?" With the recent phenomenal advances ...