Asahi Takumar 50mm F/3.5 Type 1

Standard prime lens • Film era • Discontinued

  • Announced:
  • · 1952
  • Production status:
  • ● Discontinued
  • Country of design:
  • · Japan
  • Original name:
  • · Asahi-Kogaku Takumar 1:3,5 f=50mm
  • Class:
  • · Slow full-frame standard prime lens
  • · Pancake lens
  • System:
  • · Asahiflex M37 (1952)

Model history (2)

■Asahi Takumar 50mm F/3.5 Type 1 • Pancake lensM4 - 30.75mA32 1952 ●
■Asahi Takumar 50mm F/3.5 Type 2 • Pancake lensP4 - 30.75mA32 1953 ●

Specification

Optical design:
35mm full frame
50mm
F/3.5
4 elements in 3 groups (Tessar)
M37 [45.5mm]
46.8° (35mm full frame)
Diaphragm mechanism:
Diaphragm type:
Manual
Aperture control:
Aperture ring
12 (twelve)
Focusing:
0.75m
<No data>
Focusing modes:
Manual focus only
Manual focus control:
Focusing ring
Physical characteristics:
160g
⌀47×23mm
Accessories:
Slip-on 32mm
Not available
Not available

Source of data

  • The Ultimate Asahi Pentax Screw Mount Guide 1952-1977 book by Gerjan van Oosten (1999).

Manufacturer description

Standard lens of Tessar type, especially corrected against astigmatism and chromatic aberration. Most suitable for close-ups and reproduction because of the wide angle vision, as well as for scenery, persons, snaps. etc.

From the editor

Standard lens for the Asahiflex I. Flat front ring.

Other standard prime lenses in the Asahiflex M37 system

■M37 mount (2)
Asahi Takumar 50mm F/3.5 Type 2 • Pancake lensP4 - 30.75mA32 1953 ●
Asahi Takumar 58mm F/2.4P5 - 30.61m⌀39 1954 ●

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