"An 11 year old girl enjoys a Sunday afternoon on a porch swing in her backyard. Technical: handheld D700, ISO 6400, 1/20 sec., f/127, monochrome jpeg mode (EXIF incorrectly states 35mm f/2)"
"A piece of copper foil was dented with a needle, and sanded until a hole opened. Then a piece of wire was used to de-burr the hole, which measures 0.016 inches in diameter. The foil was glued into a body cap, and mounted onto a Nikon D700 2.03 inches from the sensor for an f-number of f/127."