Holga 135 TIM Twin Image Maker 3D Half Frame 35mm Film Camera LOMO Blue Aperture : f8, f11, f22 Shutter Speed : 1/100 sec. Film to be used : 135 color film or Black/White film ASA 100/ISO 21 to ASA 400/ISO 27 Type : 135 Lens : f/8 29mm