Canon RF mount
Canon EOS R5 with Canon RF mount visible
Typebayonet
Inner diameter54 mm[1]
Flange20 mm[2]

The Canon RF lens mount is an interchangeable-lens mount developed by Canon for its full-frame mirrorless interchangeable-lens cameras, and featured first by the EOS R, followed by the EOS RP.[3][4][5] The RF mount was announced in September 2018.[6][7] In May 2022, Canon announced APS-C EOS R cameras (the EOS R10 and EOS R7) and RF-S lenses designed for these cameras.[8]

The RF mount allows for the use of Canon EF and EF-S mount lenses using one of three Canon-made lens adapters. When an RF-S or EF-S lens is attached, however, the camera will only function as an APS-C camera, not a full-frame camera.

Details

Canon full-frame cameras have used the EF lens mount since 1987. In comparison with that mount, the RF mount's inner diameter is the same at 54 mm.[1] The RF mount's flange focal distance at 20 mm is much shorter than that of the Canon EF and EF-S mounts at 44 mm. The EF-M mount has a flange focal distance of 18 mm.

An EF-EOS R lens adapter enables Canon EF, EF-S, TS-E and MP-E lenses to be used on cameras that have the RF mount.[9] The three adapters have differing features:[10]

If an EF-EOS R Mount Adapter is used to mount an EF-S lens, the image will have to be cropped by 1.6x due to the smaller image circle on EF-S lenses.

Lenses

RF50mm F1.2 L USM without lens hood

When Canon announced its first R-series body, it announced four new RF-mount lenses:[11]

In conjunction with the February 2019 announcement of the entry-level full-frame EOS RP, Canon announced six additional lenses would be released by the end of that year, although it did not indicate release dates for any of them:[13]

In 2020, Canon introduced seven new RF mount lenses:

In 2021, Canon introduced seven new RF mount lenses:

In 2022, Canon introduced the first RF-S lenses (RF-S 18-150mm and the RF-S 18-45mm) for APS-C Sensors, together with the R7 and R10 camera bodies with the first built in APS-C Sensor in the R-System.

In 2022, Canon introduced seven new RF mount lenses:

As of November 2023, Canon has introduced eight new RF mount lenses:

RF-mount lenses are not compatible with EF, EF-S or EF-M mount camera bodies. RF-S lenses can be used on full-frame RF cameras. However, the image will be cropped by 1.6×.

Compatibility

The cameras that can use the RF mount are:

Canon RF-mount lenses

Canon RF-mount lenses
Focal length
(mm) 		Aperture range Design. IS L AF
Actuator 		Filter
size 		Lens
diameter 		Lens
length 		Weight Type Hood Introduced Source
5.2 f/2.8 L Dual
Fisheye 		No Yes — Rear gelatin 121.1 mm (4.77 in)×
83.6 mm (3.29 in) 		53.5 mm (2.11 in) 350 g (12 oz) Prime — 2021-10-06 [22]
10–18 f/4.5–6.3 RF-S
IS STM 		Yes No STM 49 mm 69.0 mm (2.72 in) 44.9 mm (1.77 in) 150 g (5.3 oz) Zoom EW-53B 2023-11-02 [16]
10–20 f/4 L IS STM Yes Yes STM Rear gelatin 83.7 mm (3.30 in) 112 mm (4.4 in) 570 g (20 oz) Zoom built into lens 2023-10-11 [23]
14–35 f/4 L IS USM Yes Yes USM 77 mm 84.1 mm (3.31 in) 99.8 mm (3.93 in) 540 g (19 oz) Zoom EW-83P 2021-06-29 [24]
15–30 f/4.5–6.3 IS STM No No STM 67 mm 76.6 mm (3.02 in) 88.4 mm (3.48 in) 390 g (14 oz) Zoom EW-73E 2022-07-12 [25]
15–35 f/2.8 L IS USM Yes Yes USM 82 mm 88.5 mm (3.48 in) 126.8 mm (4.99 in) 840 g (30 oz) Zoom EW-88F 2019-08-28 [26]
16 f/2.8 STM No No STM 43 mm 68.5 mm (2.70 in) 40.6 mm (1.60 in) 165 g (5.8 oz) Prime EW-65C 2021-09-14 [27]
18–45 f/4.5–6.3 RF-S
IS STM 		Yes No STM 49 mm 69.0 mm (2.72 in) 44.3 mm (1.74 in) 130 g (4.6 oz) Zoom EW-53 2022-05-25 [28]
18–150 f/3.5–6.3 RF-S IS STM Yes No STM 55 mm 69.0 mm (2.72 in) 84.5 mm (3.33 in) 310 g (11 oz) Zoom EW-60F 2022-05-25 [28]
24 f/1.8 Macro IS STM Yes No STM 52 mm 74.4 mm (2.93 in) 63.1 mm (2.48 in) 270 g (9.5 oz) Prime EW-65B 2022-07-12 [25]
24–50 f/4.5–6.3 IS STM Yes No STM 58 mm 69.6 mm (2.74 in) 58 mm (2.3 in) 210 g (7.4 oz) Zoom EW-63C 2023-02-08 [29]
24–70 f/2.8 L IS USM Yes Yes USM 82 mm 88.5 mm (3.48 in) 125.7 mm (4.95 in) 900 g (32 oz) Zoom EW-88E 2019-08-28 [26]
24–105 f/2.8 L IS USM Z Yes Yes USM 82 mm 88.5 mm (3.48 in) 199 mm (7.8 in) 1,330 g (47 oz) Zoom EW-88E 2023-11-02 [20]
24–105 f/4 L IS USM Yes Yes USM 77 mm 83.5 mm (3.29 in) 107.3 mm (4.22 in) 700 g (25 oz) Zoom EW-83N 2018-09-05 [30]
24–105 f/4–7.1 IS STM Yes No STM 67 mm 76.6 mm (3.02 in) 88.8 mm (3.50 in) 395 g (13.9 oz) Zoom EW-73D 2020-02-13 [31]
24–240 f/4–6.3 IS USM Yes No USM 72 mm 80.4 mm (3.17 in) 122.5 mm (4.82 in) 750 g (26 oz) Zoom EW-78F 2019-07-09 [32][33]
28 f/2.8 STM No No STM 55 mm 69.2 mm (2.72 in) 24.7 mm (0.97 in) 120 g (4.2 oz) Prime EW-55 2023-05-24 [34]
28–70 f/2 L USM No Yes USM 95 mm 103.8 mm (4.09 in) 139.8 mm (5.50 in) 1,430 g (50 oz) Zoom EW-103 2018-09-05 [35]
35 f/1.8 Macro IS STM Yes No STM 52 mm 74.4 mm (2.93 in) 62.8 mm (2.47 in) 305 g (10.8 oz) Prime EW-52 2018-09-05 [36]
50 f/1.2 L USM No Yes USM 77 mm 89.9 mm (3.54 in) 108 mm (4.3 in) 950 g (34 oz) Prime ES-83 2018-09-05 [37]
50 f/1.8 STM No No STM 43 mm 69.2 mm (2.72 in) 40.5 mm (1.59 in) 160 g (5.6 oz) Prime ES-65B 2020-11-04 [38]
55–210 f/5.0–7.1 RF-S IS STM Yes No STM 55 mm 69 mm (2.7 in) 92.9 mm (3.66 in) 270 g (9.5 oz) Zoom ET-60B 2023-02-08 [39]
70–200 f/2.8 L IS USM Yes Yes Dual
USM 		77 mm 89.9 mm (3.54 in) 146 mm (5.7 in) 1,070 g (38 oz) Zoom ET-83F (WIII) 2019-10-24 [40]
70–200 f/4 L IS USM Yes Yes USM 77 mm 83.5 mm (3.29 in) 119 mm (4.7 in) 695 g (24.5 oz) Zoom ET-83G (WIII) 2020-11-04 [38]
85 f/1.2 L USM No Yes USM 82 mm 103.2 mm (4.06 in) 117.3 mm (4.62 in) 1,195 g (42.2 oz) Prime ET-89 2019-05-08 [41]
85 f/1.2 L USM DS No Yes USM 82 mm 103.2 mm (4.06 in) 117.3 mm (4.62 in) 1,195 g (42.2 oz) Prime ET-89 2019-10-24 [40]
85 f/2 Macro IS STM Yes No STM 67 mm 78 mm (3.1 in) 90.5 mm (3.56 in) 500 g (18 oz) Prime ET-77 2020-07-09 [42]
100 f/2.8 Macro L IS USM Yes Yes USM 67 mm 82 mm (3.2 in) 148 mm (5.8 in) 730 g (26 oz) Prime ET-73C 2021-04-14 [43]
100–300 f/2.8 L IS USM Yes Yes USM 112 mm 128 mm (5.0 in) 323.4 mm (12.73 in) 2,650 g (93 oz) Zoom ET-124 2023-04-20 [44]
100–400 f/5.6–8 IS USM Yes No USM 67 mm 79.5 mm (3.13 in) 164.5 mm (6.48 in) 635 g (22.4 oz) Zoom ET-74B 2021-09-14 [27]
100–500 f/4.5–7.1 L IS USM Yes Yes USM 77 mm 93.8 mm (3.69 in) 207.6 mm (8.17 in) 1,365 g (48.1 oz) Zoom ET-83F (WIII) 2020-07-09 [45]
135 f/1.8 L IS USM Yes Yes USM 82 mm 89.2 mm (3.51 in) 130.3 mm (5.13 in) 935 g (33.0 oz) Prime EW-88B 2022-11-02 [46]
200–800 f/6.3–9 IS USM Yes No USM 95 mm 102.3 mm (4.03 in) 314.1 mm (12.37 in) 2,050 g (72 oz) Zoom ET-101 2023-11-02 [18]
400 f/2.8 L IS USM Yes Yes USM 52 mm drop-in 163 mm (6.4 in) 367 mm (14.4 in) 2,890 g (102 oz) Prime ET-155 (WIII)
ET-155B 		2021-04-14 [47]
600 f/4 L IS USM Yes Yes USM 52 mm drop-in 168 mm (6.6 in) 472 mm (18.6 in) 3,090 g (109 oz) Prime ET-160 (WIII)
ET-160B 		2021-04-14 [47]
600mm f/11 IS STM Yes No STM 82 mm 93 mm (3.7 in) 269.5 mm (10.61 in) 930 g (33 oz) Prime ET-88B 2020-07-09 [42]
800 f/5.6 L IS USM Yes Yes USM 52 mm drop-in 163 mm (6.4 in) 432 mm (17.0 in) 3,140 g (111 oz) Prime ET-155 (long)
ET-155B (short) 		2022-02-24 [48]
800mm f/11 IS STM Yes No STM 95 mm 101.6 mm (4.00 in) 351.8 mm (13.85 in) 1,260 g (44 oz) Prime ET-101 2020-07-09 [42]
1200 f/8 L IS USM Yes Yes USM 52 mm drop-in 168 mm (6.6 in) 537 mm (21.1 in) 3,340 g (118 oz) Prime ET-160 (long)
ET-160B (short) 		2022-02-24 [49]
  • RF 10–20 mm f/4 L IS STM
    RF 10–20 mm f/4 L IS STM
  • RF 24–105 mm f/4 L IS USM
    RF 24–105 mm f/4 L IS USM
  • RF 28–70 mm f/2 L USM
    RF 28–70 mm f/2 L USM
  • RF 35 mm f/1.8 MACRO IS STM
    RF 35 mm f/1.8 MACRO IS STM
  • RF 85 mm f/2.0 MACRO IS STM
    RF 85 mm f/2.0 MACRO IS STM
  • RF 600 mm f/11 IS STM
    RF 600 mm f/11 IS STM
  • RF 800 mm f/11 IS STM at Canon EOS R5
    RF 800 mm f/11 IS STM at Canon EOS R5
  • RF 85 mm f/1.2 L USM on a Canon EOS R6
    RF 85 mm f/1.2 L USM on a Canon EOS R6
  • RF 24–240 mm f/4–6.3 IS USM
    RF 24–240 mm f/4–6.3 IS USM
  • RF 15–35 mm f/2.8 L IS USM
    RF 15–35 mm f/2.8 L IS USM
  • RF 100 mm f/2.8 L IS USM MACRO
    RF 100 mm f/2.8 L IS USM MACRO
  • RF 100–400 mm f/5.6–8 IS USM
    RF 100–400 mm f/5.6–8 IS USM

3rd party RF-mount lenses

Note: The Samyang, Yongnuo, and Viltrox autofocus lenses are discontinued due to requests by Canon [50]

Third-party RF-mount lenses
Lens Focal length (mm) Aperture range Introduced Autofocus Macro USM STM IS DO Filter
size 		Lens
diameter 		Lens
length 		Weight Manufacturer Source
12 mm f/2.8 Fisheye 12 f/2.8 No No No No No No — 90 mm (3.5 in) 115 mm (4.5 in) 757.5 g (26.72 oz) AstrHori [51]
18 mm f/8 Shift 18 f/8 No No No No No No 58 mm 62 mm (2.4 in) 36 mm (1.4 in) 164 g (5.8 oz) AstrHori [52]
18 mm f/8 2X Macro 18 f/8 No Yes No No No No — 60 mm (2.4 in) 466 mm (18.3 in) 716 g (25.3 oz) AstrHori [53]
28 mm f/13 2X Macro 28 f/13 No Yes No No No No — 60 mm (2.4 in) 457 mm (18.0 in) 698 g (24.6 oz) AstrHori [54]
50 mm f/1.4 Tilt 50 f/1.4 No No No No No No 46 mm 50 mm (2.0 in) 75 mm (3.0 in) 339 g (12.0 oz) AstrHori [55]
50 mm f/2 50 f/2 No No No No No No 52 mm 58 mm (2.3 in) 52 mm (2.0 in) 320 g (11 oz) AstrHori [56]
85 mm f/2.8 Macro Tilt 85 f/2.8 No Yes No No No No 55 mm 63 mm (2.5 in) 110 mm (4.3 in) 750 g (26 oz) AstrHori [57]
Cine 11 mm T 4.3 11 T 4.3 No No No No No No — 95 mm (3.7 in) 129.5 mm (5.10 in) 1,175.8 g (41.48 oz) Irix [58]
Cine 15 mm T 2.6 15 T 2.6 No No No No No No 86 mm 95 mm (3.7 in) 115 mm (4.5 in) 969.4 g (34.19 oz) Irix [59]
AF 85 mm f/1.4 autofocus 85 f/1.4 2023 Yes No No No No No 77 mm Meike [60]
AF 14 mm f/2.8 RF 14 f/2.8 2019 Yes No No No No No rear Filter 86 mm (3.4 in) 95.3 mm (3.75 in) 484 g (17.1 oz) Samyang/Rokinon [61]
MF 14 mm f/2.8 RF 14 f/2.8 2019 No No No No No No — 87 mm (3.4 in) 120.1 mm (4.73 in) 800 g (28 oz) Samyang [62]
AF 85 mm f/1.4 RF 85 f/1.4 2020 Yes No No No No No 77 mm 88 mm (3.5 in) 99.5 mm (3.92 in) 582 g (20.5 oz) Samyang/Rokinon [62]
MF 85 mm f/1.4 RF 85 f/1.4 2019 No No No No No No 72 mm 78 mm (3.1 in) 98.7 mm (3.89 in) 730 g (26 oz) Samyang [62]
AF 85mm F1.8 RF 85 f/1.8 2021 Yes No No No No No 72 mm 80 mm (3.1 in) 98 mm (3.9 in) 530 g (19 oz) Viltrox [63]
40mm F1.2 Aspherical NOKTON 40 f/1.2 No No No No No No 58 mm (2.3 in) 70.8 mm (2.79 in) 56.4 mm (2.22 in) 400 g (14 oz) Voigtländer [64]
50mm F1.0 Nokton 50 f/1.0 2023 No No No No No No 67 mm 79.3 mm (3.12 in) 64 mm (2.5 in) 650 g (23 oz) Voigtländer [65]
75mm F1.5 Aspherical NOKTON 75 f/1.5 2024 No No No No No No 62 mm (2.4 in) 74 mm (2.9 in) 71.5 mm (2.81 in) 525 g (18.5 oz) Voigtländer [66]
YN35mm F2R DF DSM 35 f/2.0 2021 Yes No No No No No 52 mm 67 mm (2.6 in) 72 mm (2.8 in) 280 g (9.9 oz) Yongnuo [67]
YN85mm F1.8R DF DSM 85 f/1.8 2021 Yes No No No No No 58 mm 67 mm (2.6 in) 88 mm (3.5 in) 380 g (13 oz) Yongnuo [68]
Mitakon Speedmaster 20mm T1.0 S35 Cine 20 T 1.0 No No No No No No 77 mm 88 mm (3.5 in) 93 mm (3.7 in) 730 g (26 oz) Zhongyi Optics [69]
Mitakon Creator 28mm f/5.6 Lens 28 f/5.6 No No No No No No 37 mm 51 mm (2.0 in) 44 mm (1.7 in) 130 g (4.6 oz) Zhongyi Optics [70]
Mitakon Speedmaster Cinema Lens 35mm T1.0 35 T 1.0 No No No No No No 77 mm 92 mm (3.6 in) 80 mm (3.1 in) 615 g (21.7 oz) Zhongyi Optics [71]
Mitakon Speedmaster 35mm f/0.95 35 f/0.95 No No No No No No 55 mm 63 mm (2.5 in) 60 mm (2.4 in) 460 g (16 oz) Zhongyi Optics [72]
Mitakon Speedmaster 50mm f/0.95 III 50 f/0.95 No No No No No No 67 mm 73.3 mm (2.89 in) 83.5 mm (3.29 in) 720 g (25 oz) Zhongyi Optics [73]
Mitakon Speedmaster 90mm f/1.5 Lens 90 f/1.5 No No No No No No 67 mm 74 mm (2.9 in) 102 mm (4.0 in) 770 g (27 oz) Zhongyi Optics [74]
Mitakon Creator 135mm f/2.5 Lens 135 f/2.5 No No No No No No 67 mm 79 mm (3.1 in) 137 mm (5.4 in) 845 g (29.8 oz) Zhongyi Optics [75]
Mitakon 200mm f/4 1x Macro Lens 200 f/4.0 No Yes No No No No 67 mm 75 mm (3.0 in) 186 mm (7.3 in) 1,300 g (46 oz) Zhongyi Optics [76]
  • Samyang AF 85 mm f/1.4 RF
    Samyang AF 85 mm f/1.4 RF

Canon RF Mount Lenses Timeline

Type Focal length Aperture 2018 2019 2020 2021 2022 2023 2024
Prime 5.2 f/2.8 RF 5.2mm f/2.8 L Dual Fisheye
16 RF 16mm f/2.8 STM
24 f/1.8 RF 24mm f/1.8 Macro IS STM
28 f/2.8 RF 28mm f/2.8 STM
35 f/1.8 RF 35mm f/1.8 Macro IS STM
50 f/1.2 RF 50mm f/1.2 L USM
f/1.8 RF 50mm f/1.8 STM
85 f/1.2 RF 85mm f/1.2 L USM
RF 85mm f/1.2 L USM DS
f/2 RF 85mm f/2 Macro IS STM
100 f/2.8 RF 100mm f/2.8 L Macro IS USM
135 f/1.8 RF 135mm f/1.8 L IS USM
400 f/2.8 RF 400mm f/2.8 L IS USM |(combinable: RF 1.4×[77] & RF 2×[78])
600 f/4 RF 600mm f/4 L IS USM |(combinable: RF 1.4×[77] & RF 2×[78])
f/11 RF 600mm f/11 IS STM |(combinable: RF 1.4×[77] & RF 2×[78])
800 f/5.6 RF 800mm f/5.6 L IS USM | (combinable: RF 1.4×[77] & RF 2×[78])
f/11 RF 800mm f/11 IS STM | (combinable: RF 1.4×[77] & RF 2×[78])
1200 f/8 RF 1200mm f/8 L IS USM | (combinable: RF 1.4×[77] & RF 2×[78])
Zoom
10–18 f/4.5–6.3 RF-S 10–18mm f/4.5–6.3 IS STM
10–20 f/4 RF 10–20mm f/4 L IS STM
14–35 RF 14–35mm f/4 L IS USM
15–30 f/4.5–6.3 RF 15–30mm f/4.5–6.3 IS STM
18–45 RF-S 18–45mm f/4.5–6.3 IS STM
18–150 f/3.5–6.3 RF-S 18–150mm f/3.5–6.3 IS STM
15–35 f/2.8 RF 15–35mm f/2.8 L IS USM
24–50 f/4.5–6.3 RF 24–50mm f/4.5–6.3 IS STM
24–70 f/2.8 RF 24–70mm f/2.8 L IS USM
24–105 f/2.8 RF 24–105mm f/2.8 L IS USM Z
f/4.0 RF 24–105mm f/4 L IS USM
f/4–7.1 RF 24–105mm f/4–7.1 IS STM
24–240 f/4–6.3 RF 24–240mm f/4–6.3 IS USM
28–70 f/2.0 RF 28–70mm f/2 L USM
55–210 f/5–7.1 RF-S 55–210mm f/5–7.1 IS STM
70–200 f/2.8 RF 70–200mm f/2.8 L IS USM
f/4 RF 70–200mm f/4 L IS USM
100–300 f/2.8 RF 100–300mm f/2.8 L IS USM
100–400 f/5.6–8 RF 100–400mm f/5.6–8 IS USM | (combinable: RF 1.4×[77] & RF 2×[78])
100–500 f/4.5–7.1 RF 100–500mm f/4.5–7.1 L IS USM ¦ (combinable: RF 1.4×[77] & RF 2×[78])
200–800 f/6.3–9 RF 200–800mm f/6.3–9 IS USM
Teleconverter Extender RF 1.4×
Extender RF 2×
Adapter Mount Adapter EF-EOS R
Control Ring Mount Adapter EF-EOS R
Drop-In Filter Mount Adapter EF-EOS R
Type Focal length Aperture 2018 2019 2020 2021 2022 2023 2024
legend L lenses USM lenses STM lenses

See also

References

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