The EF40mm f/2.8 STM was a standard prime lens which was introduced by Canon in June 2012, alongside the EOS 650D/Kiss X6i/Rebel T4i.[1] The lens features a maximum aperture of f/2.8. It was Canon's first EF pancake lens. The EF 40mm was the first EF lens equipped with a stepping motor (STM). It was discontinued in March 2021.[2]

EF40mm f/2.8 STM
EF40mm f/2.8 STM pancake lens
MakerCanon
Technical data
TypeStandard Prime lens
Focus driveStepping motor
Focal length40 mm
Aperture (max/min)f/ 2.8 - f/ 22
Close focus distance0.98 ft./0.30m
Max. magnification0.18x
Diaphragm blades7
Construction6 elements in 4 groups
Features
Short back focusNo No
Lens-based stabilizationNo No
Macro capableNo No
Unique featuresPancake lens
Applicationvideo, general
Physical
Max. length0.9 inch / 22.8mm
Diameter2.7 inch / 68.2mm
Weight4.6 oz. / 130g
Filter diameter52mm
Accessories
Lens hoodES-52
Angle of view
Horizontal49°
Vertical34°
Diagonal57°
History
Introduction2012
Discontinuation2021
Retail info
MSRP$199 USD

See also

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References

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  1. ^ Technical data of the Canon EF 40mm STM
  2. ^ Rumors, Canon (2021-03-30). "Canon EF 40mm f/2.8 STM officially discontinued". Canon Rumors - Your best source for Canon rumors, leaks and gossip. Retrieved 2021-04-07.
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