Holga 120TLR TWIN LENS REFLEX 120 W/COLOR FLASH - Lt. BLUE Uses 120 medium format film 2 film masks for either 12- 6x6 cm images or 16- 6x4.5cm images Normal shutter setting 1/100 of a second and bulb shutter setting 2 aperture settings, f/11 for sunny, f/8 for cloudy