Canon EF 40mm f/2.8 Lens

Model Number: EF Lens
Web Code: 10214065


For something so slim and lightweight, the Canon EF 40mm f/2.8 STM prime lens delivers incredibly high picture quality and performance. Its ultra compact design makes it a discreet partner in even the most sensitive shooting situations. With a bright 2.8 aperture, optimized coatings for less ghosting, and continuous AF while shooting video, you'll be able to take even more stunning shots.
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  • The ultra slim design of this Canon prime lens helps you take amazing photos without overwhelming your subject.
  • An advanced lens configuration helps you take high quality images thanks to features like an aspherical element, a 2.8 aperture, and optimized coatings that minimize ghosting and flare while improving the colour balance of your shot.
  • The innovative stepping motor gives you smooth and quiet continuous AF as you capture video with the Canon EOS Rebel T4i DSLR.
  • Add an artistic soft-focus touch to your backgrounds with the circular aperture (7 blades).
  • With this lens, you have a short minimum focusing distance of only 0.3 m (0.98 ft).


Lens Type
Standard Prime
Lens Mount
Canon EF
Apparent Focal Length with APS-C/DX Sensor
64 mm
Apparent Focal Length with Other Sensor
56 mm with APS-H
Horizontal Angle of View with 35 mm Sensor
Fixed/Prime Focal Length
40 mm
Maximum Aperture
Minimum Aperture
Closest Focusing Distance
0.3 m
Maximum Magnification


Focusing Motor
Stepping Motor
Manual Focusing
Construction (Elements/Groups)
Zoom System
Diaphragm Blades

Physical Features

Mount Construction
EF Mount
Filter Attachment Type
Filter Size
52 mm
Maximum Diameter
68.2 mm
Maximum Length
22.8 mm
130 g

Camera Compatibility

Compatible Brand
All Canon DSLRs
  • EF40 mm 1:2.8 STM
  • Lens Cap E-52II
  • Lens Dust Cap E
  • Instruction Manual (7ML leaflet)
  • Warranty Card

  • Interesting field of view
    by FeFe

    on September 8, 2019

    This is a fun lens. More fun to use then the nifty fifty and so small and affordable, worth having in a starter kit

    Review originally posted on

  • It's a good lens
    by MannyTech

    on August 22, 2019

    I bought this and I dont regret it, I've shot some amazing pics with this lens! Highly recommend it

    Review originally posted on

  • Perfect size
    by Sarah

    on July 26, 2019

    Great quality! Perfect pancake lens and quick auto focus

    Review originally posted on

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