Optics lens 31 mm, F = 9, 1 element focusing, 1 m ~ infinite shutter speed 1/120s film transport manual rewind and rewind film format 135 film (24 x 36 mm) ISO recommended ISO 200/400 search field = 70% power source, 1 x AAA battery (not included) Dimensions 11. 19 (W) x 19679(W) x 677(H) x 67(H) x 44(D) Weight: 170g; Main plastic material: ABS