Asahi Pentax

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Asahi Pentax logo on a Pentax K1000

The Asahi Pentax series of cameras, by the Asahi Optical Co., Ltd. (旭光学工業株式会社, Asahi Kōgaku Kōgyō kabushiki gaisha, shortened in logos as AOCo), was a pivotal development in modern photography. They were the earliest Pentax cameras.

Background

An Asahi Pentax S3 camera, facing slightly off-center, with a roll of 35mm film to one side to provide scale
Asahi Pentax S3 camera

In 1957, the Asahi Optical Company (later "Pentax") introduced the Pentax, a 35 mm Single-lens reflex camera (SLR) camera which was so well received that it influenced the design of 35 mm SLRs worldwide for years to come.

The Pentax and its later development and likewise classic 1964

multinational company
, eventually leading the company to rename itself "Pentax" after its seminal product.

Features and market impact

The Asahi Pentax of 1957 featured:

  • Rapid-wind film advance lever. Earlier 35 mm SLRs, with the sole exception of Exakta's left-handed lever, had knob winders;
  • Film rewind crank, likewise a first for 35 mm SLRs;
  • Instant mirror return, unique to the Pentax and its immediate predecessor, the
    Asahiflex IIb
    ;
  • Microprism focusing aids on the focus screen, unique to the Pentax.

Moreover, the Pentax placed controls in locations that would become standard on 35 mm SLRs from all manufacturers, such as the right-handed rapid wind lever, the bottom right mounted rewind release. It also had a film speed reminder around the film rewind crank, a location that remained standard until the dial went from being merely a reminder to the photographer to actually controlling the light meter built into later SLRs.

The two photographic giants,

Canon and Nikon did not introduce their own SLR cameras until 1959 with the Canonflex and the F-series
respectively. By contrast, the Pentax offered these features at a relatively low price, introducing many photographers to 35 mm SLR photography.

The Pentax became so dominant that the

used so successfully until then.

See also

References