Canon EF 40mm lens

EF40mm f/2.8 STM
	EF40mm 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
Features
Short back focus	No
Lens-based stabilization	No
Macro capable	No
Unique features	Pancake lens
Application	video, general
Physical
Max. length	0.9 inch / 22.8mm
Diameter	2.7 inch / 68.2mm
Weight	4.6 oz. / 130g
Filter diameter	52mm
Accessories
Lens hood	ES-52
Angle of view
Horizontal	49°
Vertical	34°
Diagonal	57°
History
Introduction	2012
Discontinuation	2021
Retail info
MSRP	$199 USD

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]

References

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

External links

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[eflens-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.

[1]

[2]

v t e Canon EF/EF-S/EF-M lenses
EF-S zoom	EF-S 10–18mm EF-S 10–22mm EF-S 15–85mm EF-S 17–55mm EF-S 17–85mm EF-S 18–55mm EF-S 18–135mm EF-S 18–200mm EF-S 55–250mm
Ultra-wide zoom	EF 11–24mm EF 16–35mm EF 17–35mm† EF 17–40mm EF 20–35mm†
Standard zoom	EF 22–55mm† EF 24–70mm EF 24–85mm† EF 24–105mm EF 28–70mm† EF 28–80mm† EF 28–90mm† EF 28–105mm† EF 28–135mm EF 28–200mm† EF 28–300mm EF 35–70mm† EF 35–80mm† EF 35–105mm† EF 35–135mm† EF 35–350mm† EF 38–76mm† EF 50–200mm† EF 55–200mm†
Telephoto zoom	EF 70–200mm EF 70–210mm† EF 70–300mm EF 75–300mm EF 80–200mm† EF 90–300mm† EF 100–200mm† EF 100–300mm† EF 100–400mm EF 200–400mm
Wide-angle prime	EF 14mm EF 20mm EF 24mm EF-S 24mm EF 28mm EF 35mm
Standard prime	EF 40mm† EF 50mm
Telephoto prime	EF 85mm EF 100mm EF 135mm EF 200mm
Super telephoto prime	EF 300mm EF 400mm EF 500mm EF 600mm EF 800mm EF 1200mm†
Distorting lens	EF 8–15mm Fisheye EF 15mm Fisheye†
Tilt-shift	TS-E 17mm TS-E 24mm TS-E 45mm TS-E 50mm TS-E 90mm TS-E 135mm
Macro	EF-M 28mm Macro EF-S 35mm Macro EF 50mm Compact Macro TS-E 50mm MACRO EF-S 60mm Macro MP-E 65mm 1–5x Macro TS-E 90mm Macro EF 100mm Macro TS-E 135mm Macro EF 180mm Macro
EF-M zoom	EF-M 11–22mm EF-M 15–45mm EF-M 18–55mm EF-M 18–150mm EF-M 55–200mm
EF-M prime	EF-M 22mm EF-M 28mm Macro EF-M 32mm
Lens accessories	Extender EF
† denotes discontinued lenses.

See also

References

External links