Model: Built-in strobe ultra-compact precision camera Screen size: 8 x 11mm (Uses King HR100 film, Minox film) Lens: Azo-non 1:3.8 F14.3mm (3 elements in 3 groups), fixed focus (approx. 1m to ∞) Film advance: Knob type, 120° rotation, shutter set simultaneously Aperture: F3.8, 5.6, 8, 11 (built-in manual aperture) Shutter: Single speed, approx. 1/200 second, front shutter Film counter: Automatic reset, forward counting (S, 1-36) Built-in strobe: GN8 (ASA/ISO 100 color/m), flash interval approx. 11 seconds, approx. 50 flashes (uses 1 AAA alkaline battery), effective shooting distance approx. 1-2.5m (adjust aperture according to the distance to the subject using ASA/ISO 100 film) Finder: Reverse Galilean type, 0.45x magnification, 85% field of view Film chamber back cover: Detachable Camera size: 126 (width) x 26 (depth) x 16mm (height) Weight: 65g Accessories: Soft case, wrist strap A new battery is included to confirm the operation of the camera's built-in strobe. Strobe, shutter, etc. are in good working condition. This item was owned by a photography enthusiast and has been carefully stored for a long time.