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

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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