This monocle made from the body of lens Canon lens 50/1.8 STM. It has fast, accurate and silent autofocus. The main difficulty encountered by the photographer when shooting mechanical monocles is associated with focusing. Focus should be made on the maximum contour sharpness and not by the maximum contrast. This can be difficult to do. When shooting this monocle such complexity is absent. For the most accurate autofocus, the lens is reflash and its autofocus algorithm is changed.

The autofocus speed of the monocle allows you to shoot dynamically changing scenes. For example, in genre photography and street photography. High precision auto focus makes it easy to focus on low contrast details. This greatly facilitates the process of shooting in any weather in any conditions. The 45 mm focal length of the monocle is suitable for a wide range of subjects. The monocle can be used on Canon cameras with FX and APS-C format sensor.