VINTAGE KODAK No.1 Vigilant DIOMATIC Folding Pocket Camera From the 1930s The f stop goes from F6.3 to F32 It has a shutter release for less motion when taking a photo Uses Kodak 620 film. This is a unique camera which could have taken pictures in a traditional way or sitting on its side. It is intended to be a "slim pocket" design although, not slim by today's standards. It measures approx.: 7 1/4" x 1 5/8" x 3 5/8" when fully collapsed/closed. There's a small metal foot that folds in and out, so the camera can be tilted for photographs. Not tested. In beautiful clean condition. A-163