Canon EF 40mm lens

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Canon EF 40mm f/2.8 STM
Canon EF 40mm STM lens (focus stacked version).jpg
Canon EF 40mm 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
Retail info
MSRP$199 USD

The Canon EF 40mm lens is a standard prime lens that was introduced in June 2012.[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).

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