Asahi Takumar 100mm F/3.5

Short telephoto prime lens • Film era • Discontinued

  • Announced:
  • · 1952
  • Production status:
  • ● Discontinued
  • Country of design:
  • · Japan
  • Original name:
  • · Asahi-Kogaku Takumar 1:3.5 f=100mm
  • Class:
  • · Slow full-frame short telephoto prime lens
  • System:
  • · Asahiflex M37 (1952)

Model history (2)

■Asahi Takumar 100mm F/3.5P3 - 31.40m⌀33.5 1952 ●
■Asahi Takumar 100mm F/3.5P3 - 31.20m⌀46 1957 ●

Specification

Optical design:
35mm full frame
100mm
F/3.5
3 elements in 3 groups (Cooke triplet)
M37 [45.5mm]
24.4° (35mm full frame)
Diaphragm mechanism:
Diaphragm type:
Preset
Aperture control:
Preset ring + Aperture ring
16 (sixteen)
Focusing:
1.40m
<No data>
Focusing modes:
Manual focus only
Manual focus control:
Focusing ring
Physical characteristics:
250g
⌀43×78mm
Accessories:
Screw-type 33.5mm
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

Although composed of 3 elements, aberrations are satisfactorily corrected. Recommended for taking sceneries, portraits, news pictures, etc.

Other short telephoto prime lenses in the Asahiflex M37 system

■M37 mount (2)
Asahi Takumar 83mm F/1.9 Type 1P7 - 41.10m⌀49 1953 ●
Asahi Takumar 83mm F/1.9 Type 2P7 - 41.10m⌀49 1955 ●

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