Asahi Takumar 83mm F/1.9 Type 1

Short telephoto prime lens • Film era • Discontinued

  • Announced:
  • · 1953
  • Production status:
  • ● Discontinued
  • Country of design:
  • · Japan
  • Original name:
  • · Asahi-Kogaku Takumar 1:1.9 f=83mm
  • Class:
  • · Fast full-frame short telephoto prime lens
  • System:
  • · Asahiflex M37 (1952)

Model history (3)

■Asahi Takumar 83mm F/1.9 Type 1P7 - 41.10m⌀49 1953 ●
■Asahi Takumar 83mm F/1.9 Type 2P7 - 41.10m⌀49 1955 ●
■Asahi Takumar 83mm F/1.9 [322]P7 - 41.10m⌀49 1957 ●

Specification

Optical design:
35mm full frame
83mm
F/1.9
7 elements in 4 groups
M37 [45.5mm]
29.2° (35mm full frame)
Diaphragm mechanism:
Diaphragm type:
Preset
Aperture control:
Preset ring + Aperture ring
20 (twenty)
Focusing:
1.10m
<No data>
Focusing modes:
Manual focus only
Manual focus control:
Focusing ring
Physical characteristics:
370g
⌀57×58mm
Accessories:
Screw-type 49mm
Screw-type round
Not available

Sources of data

  • The Ultimate Asahi Pentax Screw Mount Guide 1952-1977 book by Gerjan van Oosten (1999).
  • Asahi Flex model II instruction manual.
  • How to use Asahiflex model II instruction manual.

Manufacturer description

Unique among the TAKUMAR lenses. Along with the TAKUMAR 135mm telephoto lens, aberrations are reduced to the ultimate value shown by wave optics. Especially the spherical aberration is smaller than any lens made in Japan. Most suitable for portraits, night photography, stage pictures as well as for general photographs.

Other short telephoto prime lenses in the Asahiflex M37 system

■M37 mount (2)
Asahi Takumar 83mm F/1.9 Type 2P7 - 41.10m⌀49 1955 ●
Asahi Takumar 100mm F/3.5P3 - 31.40m⌀33.5 1952 ●

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