Lensless 4 x 5x22 Pinhole Camera Baltic Birch 4x5, 75mm WA3B

75mm/3", Wide Angle. The baltic birch 4 x 5 Pinhole Camera from Lensless features a 3 lens. Lensless Cameras are constructed of different woods. Each model has a tiny hole 1/64 or smaller precisely drilled in the front panel. The shutter is simply a small hinged metal plate that the photographer swings up and down to begin and end the exposure. The imitated focal length is determined by the length of the camera. The format is determined by the size of the back of the camera which accepts the film holder. Since it is designed to accept a sheet film holder there is no need to load the camera in the dark.This is a baltic birch 4 x 5 Pinhole Camera with a focal length equivalent of 75mm which is a wide angle lens for this format. Average exposure in bright noon-day sun is 4 seconds using 400 ISO film.