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Canon EF 40 mm f/ 2.8 STM Lens

Pictures

Canon EF 40 mm f/ 2.8 STM  lens

MTF-charts

Canon EF 40 mm f/ 2.8 STM  MTF Chart

Optical design

Canon EF 40 mm f/ 2.8 STM  optical design

Canon EF 40 mm f/ 2.8 STM  optical design

Format: 35mm SLR

Type: Prime lens

Focusing: Auto Focus (AF)

Lens mounts: Canon EF, EF-S

First year of production: 2012

Optical design: 6 elements in 4 groups

User reviews (1)

Photos (4)

Tests (0)

Owners (11)

Views (2917)

Average price: $179

Specifications:

Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr/oz)Length (mm/in)
40mmf/2.8f/2270.3052130/4,627/1,1

Additional information:
  • Max. magnification: 0,18
  • Super Spectra Coating
  • Internal Focusing
  • FTM mode
  • Electromagnetic diaphragm
  • Diameter: 68mm
  • No distance scale
  • Preorder price: $200

The Canon EF 40mm F/2.8 STM is a super compact prime standard lens for 35mm SLR cameras with new type motor for fast and quiet continuous focusing (requires compatible camera with a hybrid auto focus). It is first 'pancake' for Canon EF mount.


PDF Files:
Posted by: dv   Date of publication: 09.06.2012



Photos taken with this lens Canon EF 40 mm f/ 2.8 STM :


Retiro
Autor: NerveNet
0 0 54

Blondine + bag
Autor: NerveNet
0 0 48

Spiderman
Autor: NerveNet
0 0 52

Closeup & bokeh
Autor: NerveNet
0 0 104

Mechanical quality4.205
Optical quality4.605
Usability4.405
Pricing / Value5.005
Bokeh3.405
Overall lens rating
4.32

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Owner reviews: Canon EF 40 mm f/ 2.8 STM

NerveNet 26.06.2017 00:13:48
Period of use: 4 years

Strengths:

Very sharp lens wide open, sharper than the old Canon EF 35mm f/2 (when using the same aperture).

Very compact, very light, very small.

Full time manual focus availlable all time (meanwhile it is powered).

Quiet focus motor.


Weaknesses:

No DOF scale, no distance scale.

Focus by whire.

Expensive lens hood.

No weather seal.

Slow STM focus motor.


Comments:

This small lens is very sharp, I'm very happy using it on my full frame camera.

Previously I used a Canon EF 35mm f/2 lens, but this 40mm lens is more sharper, smaller and lighter.

One drawnback for me is the lack of a proper distance and DOF scale, from time to time I like to use a hiperfocal distance in order to shot without focusing, without a proper scale this is a mess.

Another thing I do not like about this lens is the focus by whire, if you focus manually there is a lag between your movement and the movement of the motor. In any case the focus is accurate and smooth.

If do not need a more wider aperture this lens is a bargain for full frame camera users.