The Olympus Pen F is a 35mm half-outline camera framework. A half-outline camera, otherwise called a split-outline, is characterized as a 35mm camera that makes pictures that are 24x18mm rather than the "full edge" 24x36mm. It takes one ordinary film edge and parts it fifty. This causes a roll of 36 casings to turn into a roll of 72 edges.
Half-outline cameras became famous in the 1960's. Their ultra smaller size and their capacity to continue to create and film costs low by transforming one roll of film into two made them open and reasonable for novice picture takers. Olympus Pen F How to Shoot Vertical Video with iPhone.
A few organizations made half edge cameras, however they were more similar to toy cameras with zone centering and restricted openness control. The Olympus Pen F is the main SLR half-outline framework, giving it the most adaptability.