Mec 16 SB

The MEC 16 SB is a German 16 mm subminiature camera launched in 1957 by Feinwerktechnik GmbH of Lahr, Germany. The lens is a Rodenstock^{[broken anchor]} Heligon 1:2/22mm with diaphragm working on principle of "cat's pupil". The MEC 16 SB was designed by A. Armbruster. It is the first camera with built-in exposure meter, capable of measuring the light through the lens, the so-called Through-the-lens metering (TTL).

MEC 16 SB

MEC-16 SB 16mm subminiature camera
Overview
Maker	Feinwerktechnik Gmbh
Type	subminiature camera
Lens
Lens mount	Rodenstock Heligon 1:2/22mm
Sensor/medium
Sensor size	16 mm
Recording medium	Film
Exposure/metering
Exposure	built-in
Exposure metering	TTL
General
Made in	Germany

Focal plane shutter functions at B,1/30,1/60,1/125,1/250,1/500,1/1000

Though it is not a single-lens reflex camera, it has been recognized for being the first camera having a serially integrated exposure meter (Gossen), capable of measuring light through its picture-taking lens, connected.

MEC-16 uses single or double perforated 16mm film in special metal cassette. Frame size 10x14mm.