Canon EF-M lens mount

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Canon EF-M lens mount - Wikipedia

From Wikipedia, the free encyclopedia

Canon M mount
EF-M lens mount of a Canon EF/EF-S to EF-M adapter mount
Type	bayonet
Inner diameter	47 mm
Flange	18 mm

The Canon EF-M lens mount, introduced in 2012, is a derivative of the Canon EF lens mount designed for use with the Canon EOS M mirrorless interchangeable-lens camera. The EF-M lens mount is one of Canon's two new systems for mirrorless cameras, the other being the RF mount.

The M system has an 18 mm flange focal distance (compared to 20 mm for RF and 44 mm for EF and EF-S) and a 47 mm throat diameter (compared to 54 mm for EF, EF-S, and RF). As it is designed for use with an APS-C-sized image sensor, it features the same crop factor (of roughly 1.6) as the existing EF-S lens mount.

The M system is somewhat limited as Canon has issued relatively few native lenses, listed below. There is a lack of native lenses with a large aperture, the exceptions being 22 mm f/2.0 and 32 mm f/1.4. In 2014, third party manufacturers started to present their M lenses. In addition, it is possible to use Canon EF and EF-S lenses (made for the Canon DSLRs) with an adapter. This solution reportedly works well also with regard to the autofocus, but it takes away the size advantage of the smaller M system. Suitable adapters (from EF to M or from EF-S to M) are made by Canon as well as third party manufacturers. As is common with mirrorless systems, the adapter solution is not backwards-compatible with Canon's DSLR cameras: this means that you cannot put M lenses on a non-M DSLR.^[1]

The EOS EF-M system was discontinued in October 2023.^[2]

Compatibility

The cameras that can use the EF-M mount are:


Camera	Sensor	Maximum Resolution	Autofocus System	Shutter Speeds	Continuous Shooting	Date Introduced	Weight
EOS M	22.3 × 14.9 mm CMOS (APS-C type)	18 Mp (5184 × 3456)	Hybrid CMOS AF	30 s to 1/4000 s and bulb	4.3 fps	2012-06	262 g (9.2 oz)
EOS M2	22.3 × 14.9 mm CMOS (APS-C type)	18 Mp (5184 × 3456)	Hybrid CMOS AF	30 s to 1/4000 s and bulb	3.4 fps	2013-12	274 g (9.7 oz) including battery
EOS M3	22.3 × 14.9 mm CMOS (APS-C type)	24 MP (6000 × 4000)	Hybrid CMOS AF III	1/4000s to 30 s	4.2 fps	2015-02-06	366 g (12.9 oz) including battery
EOS M5	22.3 × 14.9 mm CMOS (APS-C type)	24 MP (6000 × 4000)	Dual-Pixel CMOS AF	30 s to 1/4000 s	9 fps; 7 fps with autofocus	2016-09-15	427 g (15.1 oz)
EOS M6	22.3 × 14.9 mm CMOS (APS-C type)	24 MP (6000 × 4000)	Dual-Pixel CMOS AF	30 s to 1/4000 s	9 fps; 7 fps with autofocus	2017-02-14	390 g (13.8 oz)
EOS M6 Mark II	22.3 × 14.9 mm CMOS (APS-C type)	32 MP (6960 × 4640)	Dual-Pixel CMOS AF	30 s to 1/4000 s; electronic 1/16000 s	14 fps with autofocus	2019-08-28	408 g (14.4 oz)
EOS M10^[3]	22.3 × 14.9 mm CMOS (APS-C type)	18 Mp (5184 × 3456)	Hybrid CMOS AF II	30 s to 1/4000 s	4.6 frames per second	2015-10-13	301 g (10.6 oz) including battery
EOS M50	22.3 × 14.9 mm CMOS (APS-C type)	24 MP (6000 × 4000)	Dual-Pixel CMOS AF	30 s to 1/4000 s	10 fps; 7.4 fps with autofocus	2018-03-23	387 g (13.7 oz)
EOS M50 Mark II	22.3 × 14.9 mm CMOS (APS-C type)	24 MP (6000 × 4000)	Dual-Pixel CMOS AF	30 s to 1/4000 s	10 fps; 7.4 fps with autofocus	2020-10-14	387 g (13.7 oz)
EOS M100^[4]	22.3 × 14.9 mm CMOS (APS-C type)	24 MP (6000 × 4000)	Dual-Pixel CMOS AF	30 s to 1/4000 s	6.1 fps; 4 fps with autofocus	2017-08-29	302 g (10.7 oz) including battery
EOS M200	22.3 × 14.9 mm CMOS (APS-C type)	24 MP (6000 × 4000)	Dual-Pixel CMOS AF	30 s to 1/4000 s	6.1 fps; 4 fps with autofocus	2019-09-25	299 g (10.6 oz) including battery

List of EF-M lenses from Canon

Focal length	Equivalent focal length (×1.6 crop factor)	Aperture range	Introduced	Macro	USM	STM	IS	L-series	DO	Min focusing distance	Filter size	Lens diameter	Lens length	Weight
11–22 mm	18 – 35 mm	f/4 – 5.6	2013	No	No	Yes	Yes	No	No	0.15m/0.5ft	55 mm	60.9 mm	58.2 mm	220 g
15–45 mm	24 – 72 mm	f/3.5 – 6.3	2015	No	No	Yes	Yes	No	No	0.25m/0.8ft	49 mm	60.9 mm	44.5 mm	130 g
18–55 mm	29 – 88 mm	f/3.5 – 5.6	2012	No	No	Yes	Yes	No	No	0.25m	52 mm	60.9 mm	61.0 mm	210 g
18–150 mm	29 – 240 mm	f/3.5 – 6.3	2016	No	No	Yes	Yes	No	No	0.45m/1.5ft	55 mm	60.9 mm	86.5 mm	300 g
55–200 mm	88 – 320 mm	f/4.5 – 6.3	2014	No	No	Yes	Yes	No	No	1.0m/3.3ft	52 mm	60.9 mm	86.5 mm	260 g
22 mm	35 mm	f/2	2012	No	No	Yes	No	No	No	0.15m/0.49ft	43 mm	60.9 mm	23.7 mm	105 g
28 mm	45 mm	f/3.5	2016	Yes	No	Yes	Yes	No	No	0.097m (1:1), 0.093m (1.2:1)	43 mm	60.9 mm	45.5 mm	130 g
32 mm	51 mm	f/1.4	2018	No	No	Yes	No	No	No	0.23m/0.76ft	43 mm	60.9 mm	56.5 mm	235 g

List of EF-M lenses from 3rd-party (AF only)

Manufacturer	Focal length	Equivalent focal length (×1.6 crop factor)	Aperture range	Introduced	Filter size
Tamron	18 – 200 mm	29 – 320 mm	f/3.5 – 6.3	2014	55 mm
Sigma	16 mm	26 mm	f/1.4	2019	67 mm
Sigma	30 mm	48 mm	f/1.4	2019	52 mm
Sigma	56 mm	90 mm	f/1.4	2019	55 mm
Viltrox	23 mm	37 mm	f/1.4	2020	52 mm
Viltrox	33 mm	53 mm	f/1.4	2020	52 mm
Viltrox	56 mm	90 mm	f/1.4	2020	52 mm

Images

Mount Adapter EF-EOS M
EF-M 11–22 mm f/4–5.6 IS STM
EF-M 15–45 mm f/3.5–6.3 IS STM mounted on an EOS M6
EF-M 18–55 mm f/3.5–5.6 IS STM
EF-M 18–150 mm f/3.5–6.3 IS STM mounted at an EOS M5
EF-M 55–200 mm f/4.5–6.3 IS STM
EF-M 22 mm f/2 STM

References

Wikimedia Commons has media related to Canon EF-M lenses.

Wikimedia Commons has media related to EF-M lens mount.

^ "Canon EOS M hands-on preview". DPReview.
^ Richard Butler. "Canon Japan formally discontinues the last EOS-M cameras, saying goodbye to EF-M". Digital Photography Review. Retrieved 21 October 2023.
^ "Canon U.S.A., Inc., Announces New Feeding Accessory and Fiery-powered Controllers for the imagePRESS C910 Series". Retrieved 2020-07-22.
^ "Step Up and Explore the Wonders of Photography With the Compact Yet Powerful New Canon EOS M100 Camera". Canon U.S.A., Inc. | Press Release Details.

Canon EF-M mount lenses timeline

Type	Focal Length	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022
Prime	22mm	EF-M 22mm f/2 STM
	28mm					EF-M 28mm f/3.5 Macro IS STM
	32mm							EF-M 32mm f/1.4 STM
Zoom	11–22mm		EF-M 11–22mm f/4–5.6 IS STM
	15–45mm^[1]				EF-M 15–45mm f/3.5–6.3 IS STM
	18–55mm	EF-M 18–55mm f/3.5–5.6 IS STM
	18–150mm					EF-M 18–150mm f/3.5–6.3 IS STM
	55–200mm			EF-M 55–200mm f/4.5–6.3 IS STM

STM lenses

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 17–40mm
Standard zoom	EF 24–70mm EF 24–105mm EF 28–135mm EF 28–300mm
Telephoto zoom	EF 70–200mm EF 70–300mm EF 75–300mm 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 50mm
Telephoto prime	EF 85mm EF 100mm EF 135mm EF 200mm
Super telephoto prime	EF 300mm EF 400mm EF 500mm EF 600mm EF 800mm
Distorting lens	EF 8–15mm 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
Discontinued zoom	EF 17–35mm EF 20–35mm EF 22–55mm EF 24–85mm EF 28–70mm EF 28–80mm EF 28–90mm EF 28–105mm EF 28–200mm EF 35–70mm EF 35–80mm EF 35–105mm EF 35–135mm EF 35–350mm EF 38–76mm EF 50–200mm EF 55–200mm EF 70–210mm EF 80–200mm EF 90–300mm EF 100–200mm EF 100–300mm
Discontinued prime	EF 15mm Fisheye EF 40mm EF 135mm with Softfocus EF 1200mm TS-E 45mm

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