Leica/Leitz Summicron-C 40mm T2.0

Leitz Summicron-C 40mm T2.0


Leitz Summicron-C PL prime lenses cover a 36mm circle, so whilst not quite Full Frame, this is larger than S-35 and feature a T2.0 aperture in PL mount. As such, they fully cover Alexa Open Gate and larger too, if the camera image sensor allows this.



PL Mount

Sensor Size/Coverage


Lens Groupset

Leitz Summicron


  • Alexa Sensor Coverage:  3:3 Ana 23.76×17.89mm
  • RED Sensor Coverage: Helium 8K 6.5K Ana Gemini 5K 6.5K Ana Monstro 7K+ 6.5K Ana.
  • Constant maximum T2.0 aperture across range.
  • All focal lengths having identical size (except for 15mm and 135mm).
  • Lightweight – most focal lengths are1.2kg-1.5kg.
  • Telecentric lens design, which helps reduce illumination fall-off from light hitting the sensor at a sever angle outside of the image circle

Common 95mm front element.

  • Classic Leitz linear focus scale.
  • Gentle focus roll on/roll off.

Leitz Summicron-C Prime Lenses

  • 40mm T2.0 Leitz Summicron-C

95mm Front lens Diameter

Focal Length 40mm
Aperture T2.0 – T22 – full close
Image Circle 36 mm
Close Focus (ft) 1’6”
Close Focus (m) 0.45
Horizontal Angle of view “Super 35” 24.9 x 18.7 mm 34.6º
Weight (lb) 3
Weight (kg) 1.3
Length (ft) 4″
Length (mm) 101
Lens Mount PL
Focus Rotation 300°
Iris Rotation 180°
Front Diameter 95mm
Summicron-C 40mm T2.0
Lens Front Cap (95mm)
Lens End Cap (PL)

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