With film it's just as easy really, if you understand the film your using and what your camera does. Example. I rendered Half Dome in Yosemite, nearly to Daylight status with Tripod, Kodak's 400 speed film, wide open lense, B setting and a seven minute Marlboro smoke, in total sky darkness. The only give away that it was taken at night, was the warm glow of tungsten lighting on the snow near the cabin I was shooting in front of....