Vintage Tessina subminiature camera 35mm Twin Lens Reflex with accessories . Camera works great, It has been film tested.The lens is a Swiss made Tessinon f / 2.8 25mm. The resolution of this lens is excellent.There is an all mechanical shutter mechanism. It makes 18 exposures on half roll of 35mm film , half frame size. The camera comes with removable sights , Frame finder, and a Prism viewfinder.At the back of the camera are four attachment notches, allowing the ...camera to be attached to a neck chain or a leather wrist band. A spring loaded stub acts as a lock and prevents the camera from falling off the wrist mount. Specifications;35 mm (standard) film (needs loader)Frame size: 14 x 21 mmDimensions: 25 x 68 x 53 mm (2.5 x 2 x 1 inches)Twin Lens ReflexMain lense and viewer: 25 mm f/2.8 TessinonViewer: ground-glass on top of the cameraAperture: variable down to f/22Shutter speed: 1/2 to 1/500 sec, plus BFilm advance: spring-loaded clockwork (5 - 8 exposures)The almost 400 parts used in making the Tessina are manufactured to the same standards as for Swiss watches. The Tessina is an elegant camera, built with the precision of a fine watch.