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Helios 40-2 85mm f/1.5

KMZ/Valdai · 1958-1990

The 'King of Swirl'. This massive Soviet portrait lens creates the most extreme swirly bokeh of any production lens. Based on the Zeiss Biotar 75mm f/1.5. A cult favourite for portrait photographers seeking distinctive character.

Known for

  • Artistic portraits
  • Creative photography
  • Video
  • Character work

Considerations

  • Very heavy at 900g
  • Soft wide open
  • Strong flare
  • Expensive for Soviet lens

Optical Characteristics

Sharpness (wide)
3/5
Sharpness (stopped)
4/5
Contrast
3/5
Flare Resistance
2/5
CA Control
3/5
Vignetting Control
3/5
Distortion Control
4/5

Bokeh: Extreme swirl - most pronounced of any lens

Rendering: Dreamlike, ethereal, unique

Color: Warm, vintage character

Versions

Helios 40 (original)

1958-1970

Zebra pattern, preset aperture

Rare and collectible

Helios 40-2

1970-1990

Black body, auto diaphragm

More common, still excellent

Based on the legendary Carl Zeiss Biotar 75mm f/1.5. The most extreme swirly bokeh of any production lens. Heavy but capable of extraordinary images.

Common Issues

  • Focus ring stiffness
  • Aperture oil
  • Sample variation

Buying Guide

Test focus smoothness - the heavy glass requires good helicoid. Check aperture for oil. The swirl effect should be dramatic. Worth the premium for unique character.

Specifications

MountM42 Screw
Focal Length85mm
Max Aperturef/1.5
Min Aperturef/22
Aperture Blades10
Min Focus0.8m
Filter Size67mm
Weight900g

Optical Design

FormulaDouble Gauss
Elements6
Groups4
CoatingSingle Coated

Pricing

£150 - £350

Typical used price

Mint: ~£500

Premium Soviet lens with collector appeal

Adapts To

Sony EFujifilm XCanon RFNikon ZMicro Four Thirds

Compatible Cameras

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