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
Maker Canon
Key features
Ultrasonic motor No No
Short back focus No No
Image stabilization No No
Macro capable No No
Application video, general
Technical data
Type Standard Prime lens
Focal length 40 mm
Aperture (max/min) f/ 2.8 - f/ 22
Construction 4 groups / 6 elements
# Diaphragm blades 7
Close focus distance 0.98 ft./0.30m
Max. magnification 0.18x
Max. diameter 2.7 inch / 68.2mm
Max. length 0.9 inch / 22.8mm
Weight 4.6 oz. / 130g
Filter diameter 52mm
Lens hood ES-52
Angle of view
Horizontal 49°
Vertical 34°
Diagonal 57°
Introduced 2012
Retail info
MSRP US$ $199

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).

External links[edit]


  1. ^ Technical data of the Canon EF 40mm STM