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Canon EF 40mm f/2.8 STM Lens
Canon EF 40mm f/2.8 STM
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Canon EF 50mm f/1.4 USM Lens
Canon EF 50mm f/1.4 USM
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Canon EF 50mm f/1.8 II Lens
Canon EF 50mm f/1.8 II
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Canon EF 50mm f/1.8 STM Lens
Canon EF 50mm f/1.8 STM
Available colors
Editiorial reviews
8
8 editorial reviews
The Canon EF 40mm f/2.8 STM is a pancake prime lens for APS-C and full-frame DSLR cameras. Offering continuous AF while capturing video with compatible cameras, the ultra-slim Canon EF 40mm f/2.8 STM retails for just £229.99 / €279.99 / $199.99. Read our in-depth Canon EF 40mm f/2.8 STM review complete with full-size sample images to find out if it's worth the modest outlay.Read more
Canon EF 40mm f/2.8 STM ReviewRead more
Read editorial reviews
10
4.0 out of 5
4 user ratings
5 stars
25 %
4 stars
50 %
3 stars
25 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
9
4.2 out of 5
3 user ratings
5 stars
33 %
4 stars
66 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
8
4.0 out of 5
4 user ratings
5 stars
25 %
4 stars
75 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
43
4.1 out of 5
43 user ratings
5 stars
30 %
4 stars
48 %
3 stars
20 %
2 stars
0 %
1 stars
0 %
37
4.2 out of 5
37 user ratings
5 stars
37 %
4 stars
40 %
3 stars
21 %
2 stars
0 %
1 stars
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41
4.0 out of 5
41 user ratings
5 stars
24 %
4 stars
48 %
3 stars
26 %
2 stars
0 %
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60
3.8 out of 5
60 user ratings
5 stars
31 %
4 stars
33 %
3 stars
20 %
2 stars
8 %
1 stars
6 %

General

Lens typeNormalNormalNormal
  • Normal
  • Wide angle
Lens mountCanon EF
  • Canon EF
  • Canon EF-S
  • Canon EF
  • Canon EF-S
Canon EF

Image properties

Max Format size
Full-frame
Full-frame
Full-frame
Full-frame
Focal length< 40< 50< 50< 50
Maximum magnification0.18 x0.15 x0.15 x0.21 x
Image stabilisationnononono
Angle of View 35mm Equivalent
N/A
N/A
N/A
< 46

Aperture

Aperture max2.81.41.81.8
Aperture min22222222
Aperture ringnononono
Number of diaphragm blades7857
Aperture features
N/A
N/A
N/A
Rounded diaphragm

Focus

Focus method
  • Internal
  • Unit
UnitUnitInternal
Autofocusyesyesyesyes
Autofocus motor type
STP
UltrasonicMicromotor
STP
Full-time Manual focusingyesyesnoyes
Closest focusing distance0.30.450.450.35
Distance scaleno
N/A
nono
Depth of field (DoF) scaleno
N/A
nono
Focus distance limiter
N/A
N/A
N/A
no

Optics

ConstructionFixedFixedFixedFixed
Elements6866
Groups4655
Special elements / coatings1 Aspherical element
  • 2 High refraction glass elements
  • Gaussian optics eliminate astigmatism
  • Suppress astigmatic difference
N/A
N/A

Design

Colour of productBlackBlackBlackBlack
Tripod collarnononono
Hood suppliednoyesnono
Filter threadyesyesyesyes
Sealingnononono
Body materials
N/A
  • Plastic
  • Metal
Plastic
N/A
Lens Cap Type
N/A
N/A
N/A
E-49

Dimensions

Weight4.59 oz10.23 oz4.59 oz5.64 oz
Diameter2.69 in2.91 in2.69 in2.72 in
Length0.9 in1.99 in1.61 in1.55 in
Filter size2.05 in2.91 in2.05 in1.93 in

Often compared with Canon EF 50mm f/1.4 USM

Often compared with Canon EF 50mm f/1.8 II

Often compared with Canon EF 50mm f/1.8 STM