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prime35mmvintage

Super Takumar 50mm f/1.4

Asahi Optical · 1964-1971

A legendary vintage lens prized for its dreamy rendering and beautiful bokeh. The thorium glass versions are mildly radioactive but produce stunning images.

Known for

  • Portraits
  • Creative photography
  • Video
  • Vintage look

Considerations

  • Radioactive (thorium versions)
  • May be yellowed
  • Lower contrast wide open
  • M42 mount requires adapter

Optical Characteristics

Sharpness (wide)
3/5
Sharpness (stopped)
5/5
Contrast
3/5
Flare Resistance
3/5
CA Control
3/5
Vignetting Control
3/5
Distortion Control
4/5

Bokeh: Beautiful, swirly wide open

Rendering: Vintage glow, dreamy wide open

Color: Warm (may yellow with age)

Versions

8-element (early)

1964-1966

8 elements/6 groups, non-radioactive

Early version, different formula, no thorium

7-element (thorium)

1966-1971

7 elements/6 groups, radioactive

Contains thorium oxide, may yellow over time

The 7-element version contains thorium and may develop yellow tint. UV exposure helps. The rendering is beloved for its vintage character.

Common Issues

  • Yellowing
  • Radioactivity
  • Sticky aperture
  • Focus ring stiffness

Buying Guide

Check for yellowing - hold to light. Radioactivity is mild and safe for normal use. UV exposure can clear yellowing. The 8-element version is non-radioactive.

Specifications

MountM42 Screw
Focal Length50mm
Max Aperturef/1.4
Min Aperturef/16
Aperture Blades8
Min Focus0.45m
Filter Size49mm
Weight245g

Optical Design

FormulaDouble Gauss
Elements7
Groups6
CoatingMulti-Coated
SpecialThorium glass (radioactive)

Pricing

£80 - £150

Typical used price

Mint: ~£200

Prices rising for clean copies

Adapts To

Sony EFujifilm XCanon RFNikon ZPentax K

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