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 In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane. An opt ...

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 allow ...

, a built-in

electronic flash A flash is a device used in photography that produces a brief burst of light (typically lasting 1/1000 to 1/200 of a second) at a color temperature of about 5500 K to help illuminate a scene. A major purpose of a flash is to illuminate a ...

, and an automatic exposure system to select the appropriate

shutter speed In photography, shutter speed or exposure time is the length of time that the film or digital sensor inside the camera is exposed to light (that is, when the camera's shutter (photography), shutter is open) when taking a photograph. The am ...

. 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