The Konica C35 AF was the first mass-produced autofocus camera. it was first released in November 1977.

Features

This was an autofocus version of the Konica C35 Automatic camera. It featured a fixed- aperture Hexanon 38 mm f/2.8

autofocus An autofocus (or AF) optical system uses a sensor, a control system and a motor to focus on an automatically or manually selected point or area. An electronic rangefinder has a display instead of the motor; the adjustment of the optical system ...

lens A lens is a transmissive optical device which focuses or disperses a light beam by means of refraction. A simple lens consists of a single piece of transparent material, while a compound lens consists of several simple lenses (''elements ...

with a

leaf shutter In photography, a shutter is a device that allows light to pass for a determined period, exposing photographic film or a photosensitive digital sensor to light in order to capture a permanent image of a scene. A shutter can also be used to all ...

, a built-in electronic flash, and an automatic exposure system to select the appropriate shutter speed. The film advance was mechanical. The shutter was electronically controlled with three speeds, 1/60, 1/125, and 1/250. The exposure system could handle film speeds from ISO 25 to ISO 400 and the built in flash had a guide number of 14 at ISO 100 covering distances from 1.1m to 5m. This camera was the first mass-produced camera with built in autofocus and used a system with an electronic version of a split-image rangefinder.

References

Konica C35 Automatic
by Luis Triguez
Konica C35 AF
from Camerapedia at Fandom * Konica C35 AF User's Manual 135 film cameras Autofocus cameras Point-and-shoot cameras C35 AF Cameras introduced in 1977 Products introduced in 1977 {{camera-stub