Canon EF 40mm f/2.8 STM Information.

Canon EF 40mm f/2.8 STM
Just discovered the new pancake is also part of the new “STM” family of lenses from Canon.  The lens is also extremely small with a thickness of 22.8mm and weighing in at 130 grams.

Below are a few more images of the lens in comparison to the EF 50 f/1.8 II.

Specifications

  • Focal length / Aperture: 40mm / 1:2.8
  • Lens Construction: 4 group 6 pieces
  • Closest focusing distance: 0.3m
  • The maximum magnification ratio: 0.18-fold
  • Filter diameter: 52mm
  • The maximum diameter: 68.2mm
  • Length: 22.8mm
  • Weight: About 130g
  • Lens Hood: ES-52 (Not Included)

 

Canon EF 40mm f/2.8 STM

Canon EF 50 f/1.8 II compared to the Canon EF 40 f/2.8 STM

Lens Design of the Canon 40mm f/2.8 STM

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