Robert's travel time from office to home, about one hour, usually. In effect, application of the extension principle reduces computation of p Z to a problem in functional optimization. Your way of doing it would certainly seem to give great results, but the lightbox business and studio lighting, with all the accessories necessary to keep the sleeve level and perpendicular to the camera is the sort of stuff I would have used on still-life paying shoots years ago. The concept of a Z-number may be generalized in various ways. Set a self-timer delay of whatever your camera offers — 10 seconds is ideal — to trigger the shutter only when you are out the way, everything is stable, and you are not bouncing on the floorboards.
nest...