Difference between revisions of "Konica C35 AF"

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The [[Konica]] C35AF (nicknamed "Jasupin") is a milestone camera in that it was the world's first production [[autofocus]] camera. Launched in November 1977, it used the "Visitronic" AF system developed and produced by Honeywell (see below for description). This was a "passive" rather than the subsequently more popular "active" system (used two years later by Canon in the [[Canon_Sure_Shot/AF35M/Autoboy|AF35M]]). Konica is said to have sold one million units.
 
The [[Konica]] C35AF (nicknamed "Jasupin") is a milestone camera in that it was the world's first production [[autofocus]] camera. Launched in November 1977, it used the "Visitronic" AF system developed and produced by Honeywell (see below for description). This was a "passive" rather than the subsequently more popular "active" system (used two years later by Canon in the [[Canon_Sure_Shot/AF35M/Autoboy|AF35M]]). Konica is said to have sold one million units.
In 1980, the C35 AF was superseded by the [[Konica C35 AF2|C35 AF2]] with some cosmetic differences.
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In 1980, the C35 AF was superseded by the C35 AF2 with some cosmetic differences.
 
== Specifications ==
 
== Specifications ==
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* 35mm [[Autofocus]] & Auto exposure [[compact camera]]
 
* 35mm [[Autofocus]] & Auto exposure [[compact camera]]
 
* Lens: Hexanon 38mm f/2.8, 4 elements in 3 groups
 
* Lens: Hexanon 38mm f/2.8, 4 elements in 3 groups

Revision as of 06:25, 19 October 2009

The Konica C35AF (nicknamed "Jasupin") is a milestone camera in that it was the world's first production autofocus camera. Launched in November 1977, it used the "Visitronic" AF system developed and produced by Honeywell (see below for description). This was a "passive" rather than the subsequently more popular "active" system (used two years later by Canon in the AF35M). Konica is said to have sold one million units. In 1980, the C35 AF was superseded by the C35 AF2 with some cosmetic differences.

Specifications

  • 35mm Autofocus & Auto exposure compact camera
  • Lens: Hexanon 38mm f/2.8, 4 elements in 3 groups
  • Shutter: Programmed Leaf shutter with 3 speeds - 1/60s, 1/125s & 1/250s
  • Exposure: Fully automatic - 25-400ASA
  • Meter: CdS
  • Sensitivity: EV 9 - EV 17 with 100 asa film
  • Viewfinder: Bright Line 0.41 Magnification
  • Indication: Underexposure warning light, Parallax Correction Mark, Focus measuring square
  • Flash: GN14 - Exposure determined by range measured by autofocus
  • Film Winding: Manual - Lever wind + rewind crank
  • Features: Lens cap obscures viewfinder to prevent errors!
  • Dimensions: 132x76x54mm
  • Weight: 375 grams

The Honeywell AF system

"Designed by Honeywell for 35 mm cameras (visible light), uses a separate set of detectors and charge coupled devices along with a microprocessor to effect automatic focus. A correlation is performed between sets of detectors utilizing two different, widely separated small areas of the aperture. The technique is based, as in optical rangefinders, on the angular difference between separate receivers in superimposing the same scene. This technique effectively determines not only whether the system is out of focus, but the amount and direction of lens movement required to achieve optimum focus."

"Electronic Focus for Cameras", by N. Stauffer and D. Wilwerding March, Scientific Honeyweller, Volume 3, No. 1 March 1982

Links