Seagull 105, 6cm x 6cm Medium Format Twin Lens Reflex (TLR) Camera with Built-in 75mm f/3.5 Lens Seagull is specialized in R&D, manufacture and marketing of digital cameras, digital products, SLR cameras PRODUCT FEATURES:Film: 120-roll film;Frame size: 6x6 cm, pictures can be taken with a single 120 roll film Film advance: Winding crank, frame locating automatically The crank advances film with film counting and cocks the shutter synchronously Self-timer: apprpx: 8-12 sec, delay;Focusing: Precision Acute Matte focusing screen with central split-image spot