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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 STM Lens
Canon EF 50mm f/1.8 STM
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Sigma 18-200mm F3.5-6.3 DC Lens
Sigma 18-200mm F3.5-6.3 DC
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 %
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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
6
6 editorial reviews
The Sigma 18-200mm F3.5-6.3 DC Macro OS HSM lens trades some optical quality for a compact design, low cost, and long zoom range.Read more
Looking for a Sigma 18-200mm lens review? Read on to find out what we uncovered in our objective optical lab tests.Read more
As part of new global update program, Sigma is revamping their complete range. Can this revised APS-C only all-in one compete with rival offerings from the camera maker’s? Read on to find out.Read more
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User rating
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4.1 out of 5
43 user ratings
5 stars
30 %
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4.2 out of 5
37 user ratings
5 stars
37 %
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3.8 out of 5
60 user ratings
5 stars
31 %
4 stars
33 %
3 stars
20 %
2 stars
8 %
1 stars
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4.1 out of 5
7 user ratings
5 stars
28 %
4 stars
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3 stars
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General

Lens typeNormalNormal
  • Normal
  • Wide angle
Telephoto
Lens mountCanon EF
  • Canon EF
  • Canon EF-S
Canon EF
  • Canon EF
  • Pentax KAF
  • Sony/Minolta Alpha
  • Sigma SA
  • Nikon F

Image properties

Max Format size
Full-frame
Full-frame
Full-frame
APS-C
Focal length< 40< 50< 5018 - 200
Maximum magnification0.18 x0.15 x0.21 x0.23 x
Image stabilisationnononono
Angle of View 35mm Equivalent
N/A
N/A
< 46
N/A

Aperture

Aperture max2.81.41.83.5-6.3
Aperture min22222222-40
Aperture ringnononono
Number of diaphragm blades7877
Aperture features
N/A
N/A
Rounded diaphragm
N/A

Focus

Focus method
  • Internal
  • Unit
UnitInternalInternal
Autofocusyesyesyesyes
Autofocus motor type
STP
Ultrasonic
STP
Micromotor
Full-time Manual focusingyesyesyesno
Closest focusing distance0.30.450.350.45
Distance scaleno
N/A
noyes
Depth of field (DoF) scaleno
N/A
nono
Focus distance limiter
N/A
N/A
nono
Focus features
N/A
N/A
N/A
Screw drive

Optics

ConstructionFixedFixedFixed
N/A
Elements68615
Groups46513
Special elements / coatings1 Aspherical element
  • 2 High refraction glass elements
  • Gaussian optics eliminate astigmatism
  • Suppress astigmatic difference
N/A
  • 2 SLD elements
  • 2 Hybrid aspherical elements
Zoom method
N/A
N/A
N/A
Expanding

Design

Colour of productBlackBlackBlack
N/A
Tripod collarnononono
Hood suppliednoyesnoyes
Filter threadyesyesyes
N/A
Sealingnononono
Body materials
N/A
  • Plastic
  • Metal
N/A
Metal
Lens Cap Type
N/A
N/A
E-49
N/A
Zoom lock
N/A
N/A
N/A
yes

Dimensions

Weight4.59 oz10.23 oz5.64 oz14.29 oz
Diameter2.69 in2.91 in2.72 in2.76 in
Length0.9 in1.99 in1.55 in3.07 in
Filter size2.05 in2.91 in1.93 in2.44 in

Often compared with Canon EF 50mm f/1.4 USM

Often compared with Canon EF 50mm f/1.8 STM