Periscope system equipped with lens, to watch light meter.

摘要

Periscope system equipped with lens, to watch light meter, which consists of the accessory adaptable meters of any kind.Consisting of a meter sym (Office) that houses the digital clock electric or which has a display of digits displayed by a window sym sym .In front of which is mounted to a first surface mirror diagonal sym reflective image of the digits reversed in another mirror surface of the first diagonal sym sym above the meter and the image of the visualized by sym enlarger lens.