Canon RF lens mount explained

Mount Name:	Canon RF mount
Type:	bayonet
Inner Diameter:	54 mm^[1]
Flange:	20 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. 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]

• Mount Adapter EF-EOS R
• Control Ring Mount Adapter EF-EOS R – the Mount Adapter EF-EOS R with a lens control ring
• Drop-In Filter Mount Adapter EF-EOS R – the Mount Adapter EF-EOS R with the ability to use drop-in filters, either a variable neutral density (V-ND) filter or circular polarising (C-PL) filter, and a clear (CL) filter, released in 2019.

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

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

• RF 24–105mm L IS USM
• RF 28–70mm L USM
• RF 35mm MACRO IS STM — 0.5× maximum magnification.^[12]
• RF 50mm L USM

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]

• RF 85mm L USM
• RF 85mm L USM DS — Same as the above, except includes "defocus smoothing" technology intended to improve bokeh. According to Canon, the effect is similar to that of an apodization filter, but achieved through special lens coatings instead of a filter.^[14]
• RF 24–240mm IS USM
• RF 15–35mm L IS USM
• RF 24–70mm L IS USM
• RF 70–200mm L IS USM

In 2020, Canon introduced seven new RF mount lenses:

• RF 24–105mm IS STM
• RF 85mm MACRO IS STM — 0.5× maximum magnification
• RF 100–500mm L IS USM
• RF 600mm IS STM — fixed-aperture lens
• RF 800mm IS STM — fixed-aperture lens
• RF 50mm STM
• RF 70–200mm L IS USM

In 2021, Canon introduced seven new RF mount lenses:

• RF 100mm L MACRO IS USM - 1.4× maximum magnification
• RF 400mm L IS USM
• RF 600mm L IS USM
• RF 14–35mm L IS USM
• RF 16mm STM
• RF 100–400mm IS USM
• RF 5.2mm L Dual Fisheye

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:

• RF 800mm L IS USM
• RF 1200mm L IS USM
• RF-S 18–45mm IS STM
• RF-S 18-150mm IS STM
• RF 15–30mm IS STM
• RF 24mm MACRO IS STM - 0.5×maximum magnification
• RF 135mm L IS USM

In 2022, Canon introduced seven new RF mount lenses:

• RF 24–50mm IS STM
• RF-S 55–210mm IS STM
• RF 100–300mm L IS USM
• RF 28mm STM
• RF 10–20mm L IS STM
• RF-S 10–18mm IS STM^{[15] [16]}
• RF 24–105mm L IS USM Z^{[17] [18]}
• RF 200–800mm IS USM^{[19] [20]}

Canon has introduced eight new RF mount lenses:

• RF 35mm L VCM

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 EOS R
• Canon EOS RP
• Canon EOS Ra
• Canon EOS R1
• Canon EOS R3
• Canon EOS R5
• Canon EOS R5 Mark II
• Canon EOS R5 C
• Canon EOS R6
• Canon EOS R6 Mark II
• Canon EOS R7
• Canon EOS R8
• Canon EOS R10
• Canon EOS R50
• Canon EOS R100^[21]
• Canon EOS C70 Cinema Camera
• RED Komodo 6K

Canon RF-mount lenses

Canon RF-mount lenses

Focal length (mm)	Aperture range		IS	L	AF Actuator	Filter size	Lens diameter	Lens length	Weight	Type	Hood	Introduced	Source
5.2	data-sort-value="2.8"		L Dual Fisheye				Rear gelatin	×			Prime		2021-10-06	^[22]
10–18	data-sort-value="4.5–6.3"		RF-S IS STM			STM					Zoom	EW-53B	2023-11-02
10–20	data-sort-value="4"		L IS STM			STM	Rear gelatin				Zoom	built into lens	2023-10-11	^[23]
14–35	data-sort-value="4"		L IS USM			USM					Zoom	EW-83P	2021-06-29	^[24]
15–30	data-sort-value="4.5–6.3"		IS STM			STM					Zoom	EW-73E	2022-07-12	^[25]
15–35	data-sort-value="2.8"		L IS USM			USM					Zoom	EW-88F	2019-08-28	^[26]
16	data-sort-value="2.8"		STM			STM					Prime	EW-65C	2021-09-14	^[27]
18–45	data-sort-value="4.5–6.3"		RF-S IS STM			STM					Zoom	EW-53	2022-05-25	^[28]
18–150	data-sort-value="3.5–6.3"		RF-S IS STM			STM					Zoom	EW-60F	2022-05-25
24	data-sort-value="1.8, 24"		Macro IS STM			STM					Prime	EW-65B	2022-07-12
24–50	data-sort-value="4.5–6.3"		IS STM			STM					Zoom	EW-63C	2023-02-08	^[29]
24–70	data-sort-value="2.8, 24-70"		L IS USM			USM					Zoom	EW-88E	2019-08-28
24–105	data-sort-value="2.8, 24-105"		L IS USM			USM					Zoom	EW-88E	2023-11-02
24–105	data-sort-value="4, 24-105"		L IS USM			USM					Zoom	EW-83N	2018-09-05	^[30]
24–105	data-sort-value="4.0–7.1"		IS STM			STM					Zoom	EW-73D	2020-02-13	^[31]
24–240	data-sort-value="4.0–6.3"		IS USM			USM					Zoom	EW-78F	2019-07-09	^[32] ^[33]
28	data-sort-value="2.8, 28"		STM			STM					Prime	EW-55	2023-05-24	^[34]
28–70	data-sort-value="2.0, 28-70"		L USM			USM					Zoom	EW-103	2018-09-05	^[35]
35	data-sort-value="1.4, 35"		L VCM			Nano USM, VCM					Prime	EW-73F	2024-06-05	^[36]
35	data-sort-value="1.8, 35"		Macro IS STM			STM					Prime	EW-52	2018-09-05	^[37]
50	data-sort-value="1.2, 50"		L USM			USM					Prime	ES-83	2018-09-05	^[38]
50	data-sort-value="1.8, 50"		STM			STM					Prime	ES-65B	2020-11-04	^[39]
55–210	data-sort-value="5.0–7.1"		RF-S IS STM			STM					Zoom	ET-60B	2023-02-08	^[40]
70–200	data-sort-value="2.8, 70-200 2.8"		L IS USM			USM					Zoom	ET-83F (WIII)	2019-10-24	^[41]
70–200	data-sort-value="4.0, 70-200 4.0"		L IS USM			USM					Zoom	ET-83G (WIII)	2020-11-04
85	data-sort-value="1.2, 85 1"		L USM			USM					Prime	ET-89	2019-05-08	^[42]
85	data-sort-value="1.2, 85 2"		L USM			USM					Prime	ET-89	2019-10-24
85	data-sort-value="2.0, 85"		Macro IS STM			STM					Prime	ET-77	2020-07-09
100	data-sort-value="2.8, 100"		Macro L IS USM			USM					Prime	ET-73C	2021-04-14	^[43]
100–300	data-sort-value="2.8, 100-300"		L IS USM			USM					Zoom	ET-124	2023-04-20	^[44]
100–400	data-sort-value="5.6–8"		IS USM			USM					Zoom	ET-74B	2021-09-14
100–500	data-sort-value="4.5–7.1"		L IS USM			USM					Zoom	ET-83F (WIII)	2020-07-09	^[45]
135	data-sort-value="1.8, 135"		L IS USM			USM					Prime	EW-88B	2022-11-02	^[46]
200–800	data-sort-value="6.3–9"		IS USM			USM					Zoom	ET-101	2023-11-02
400	data-sort-value="2.8, 400"		L IS USM			USM	drop-in				Prime	ET-155 (WIII) ET-155B	2021-04-14	^[47]
600	data-sort-value="4.0"		L IS USM			USM	drop-in				Prime	ET-160 (WIII) ET-160B	2021-04-14
600	data-sort-value="11, 600 f11"		IS STM			STM					Prime	ET-88B	2020-07-09	^[48]
800	data-sort-value="5.6, 800 f5.6"		L IS USM			USM	drop-in				Prime	ET-155 (long) ET-155B (short)	2022-02-24	^[49]
800	data-sort-value="11, 800"		IS STM			STM					Prime	ET-101	2020-07-09
1200	data-sort-value="8, 1200"		L IS USM			USM	drop-in				Prime	ET-160 (long) ET-160B (short)	2022-02-24	^[50]

3rd party RF-mount lenses

Note: The Samyang, Yongnuo, and Viltrox autofocus lenses are discontinued due to requests by Canon ^[51]

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 Fisheye	12	data-sort-value="2.8"													AstrHori	^[52]
18 mm Shift	18	data-sort-value="8"													AstrHori	^[53]
18 mm f/8 2X Macro	18	data-sort-value="8"													AstrHori	^[54]
28 mm f/13 2X Macro	28	data-sort-value="13"													AstrHori	^[55]
50 mm f/1.4 Tilt	50	data-sort-value="1.4"													AstrHori	^[56]
50 mm f/2	50	data-sort-value="2.0"													AstrHori	^[57]
85 mm f/2.8 Macro Tilt	85	data-sort-value="2.8"													AstrHori	^[58]
Cine 11 mm T 4.3	11	data-sort-value="4.3"	T 4.3												Irix	^[59]
Cine 15 mm T 2.6	15	data-sort-value="2.6"	T 2.6												Irix	^[60]
AF 85 mm autofocus	85	data-sort-value="1.4"		2023											Meike	^[61]
AF 14 mm RF	14	data-sort-value="2.8"		2019							rear Filter				Samyang/Rokinon	^[62]
MF 14 mm RF	14	data-sort-value="2.8"		2019											Samyang	^[63]
AF 85 mm RF	85	data-sort-value="1.4"		2020											Samyang/Rokinon
MF 85 mm RF	85	data-sort-value="1.4"		2019											Samyang
AF 85mm F1.8 RF	85	data-sort-value="1.8"		2021											Viltrox	^[64]
40mm F1.2 Aspherical NOKTON	40	data-sort-value="1.2"													Voigtländer	^[65]
50mm F1.0 Nokton	50	data-sort-value="1.0"		2023											Voigtländer	^[66]
75mm F1.5 Aspherical NOKTON	75	data-sort-value="1.5"		2024											Voigtländer	^[67]
YN35mm F2R DF DSM	35	data-sort-value="2.0"		2021											Yongnuo	^[68]
YN85mm F1.8R DF DSM	85	data-sort-value="1.8"		2021											Yongnuo	^[69]
Mitakon Speedmaster 20mm T1.0 S35 Cine	20	data-sort-value="1.0"	T 1.0												Zhongyi Optics	^[70]
Mitakon Creator 28mm f/5.6 Lens	28	data-sort-value="5.6"													Zhongyi Optics	^[71]
Mitakon Speedmaster Cinema Lens 35mm T1.0	35	data-sort-value="1.0"	T 1.0												Zhongyi Optics	^[72]
Mitakon Speedmaster 35mm f/0.95	35	data-sort-value="0.95"													Zhongyi Optics	^[73]
Mitakon Speedmaster 50mm f/0.95 III	50	data-sort-value="0.95"													Zhongyi Optics	^[74]
Mitakon Speedmaster 90mm f/1.5 Lens	90	data-sort-value="1.5"													Zhongyi Optics	^[75]
Mitakon Creator 135mm f/2.5 Lens	135	data-sort-value="2.5"													Zhongyi Optics	^[76]
Mitakon 200mm f/4 1x Macro Lens	200	data-sort-value="4.0"													Zhongyi Optics	^[77]

Canon RF Mount Lenses Timeline

Type	Focal length	Aperture	2018	2019	2020	2021	2022	2023	2024	- style="border-top:solid darkgrey"	Prime	5.2					RF 5.2mm L Dual Fisheye
16				RF 16mm STM
24						RF 24mm Macro IS STM
28							RF 28mm STM
35		RF 35mm Macro IS STM
35								RF 35mm L VCM
50		RF 50mm L USM
				RF 50mm STM
85			RF 85mm L USM
			RF 85mm L USM DS
				RF 85mm Macro IS STM
100					RF 100mm L Macro IS USM
135						RF 135mm L IS USM
400					RF 400mm L IS USM (combinable: RF 1.4×^[78] & RF 2×^[79])
600					RF 600mm L IS USM (combinable: RF 1.4× & RF 2×)
				RF 600mm IS STM (combinable: RF 1.4× & RF 2×)
800						RF 800mm L IS USM (combinable: RF 1.4× & RF 2×)
				RF 800mm IS STM (combinable: RF 1.4× & RF 2×)
1200						RF 1200mm L IS USM (combinable: RF 1.4× & RF 2×)
Zoom
	10–18							RF-S 10–18mm IS STM
	10–20							RF 10–20mm L IS STM
	14–35					RF 14–35mm L IS USM
	15–30						RF 15–30mm IS STM
	18–45						RF-S 18–45mm IS STM
	18–150						RF-S 18–150mm IS STM
	15–35			RF 15–35mm L IS USM
	24–50							RF 24–50mm IS STM
	24–70			RF 24–70mm L IS USM
	24–105							RF 24–105mm L IS USM Z
			RF 24–105mm L IS USM
					RF 24–105mm IS STM
	24–240			RF 24–240mm IS USM
	28–70		RF 28–70mm L USM
	55–210							RF-S 55–210mm IS STM
	70–200			RF 70–200mm L IS USM
					RF 70–200mm L IS USM
	100–300							RF 100–300mm L IS USM
	100–400					RF 100–400mm IS USM (combinable: RF 1.4× & RF 2×)
	100–500				RF 100–500mm L IS USM ¦ (combinable: RF 1.4× & RF 2×)
	200–800							RF 200–800mm 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

• Canon EF-M lens mount
• Canon EF lens mount
• Nikon Z-mount
• Sony E-mount

Notes and References

1. News: Mark. Sparrow. 2018-09-05. Canon Launches New EOS R Mirrorless DSLR Camera Hot On The Heels Of Nikon's Z Series. Forbes.
2. Web site: 2018-09-05. Canon launches new full frame camera and lens line-up as part of the revolutionary, new EOS R system - Canon Press Centre. www.canon.co.uk. 5 September 2018.
3. News: 2018-09-05. Everything you need to know about Canon's EOS R mirrorless camera. Engadget.
4. News: 2018-09-05. Canon EOS R full-frame mirrorless and more expected Sept. 5, reportedly. CNET. 31 August 2018.
5. News: 2018-09-05. Canon unveils new full-frame mirrorless camera, the EOS R. TechRadar.
6. News: 2018-09-05. Canon's full-frame mirrorless EOS R is now official. CNET. 5 September 2018.
7. News: 2018-09-05. Four RF-mount lenses kick off Canon's new full-frame mirrorless system. Digital Photography Review.
8. Web site: Canon's EOS R(evolution) Expands to APS-C with Its Two New Mirrorless Cameras and New RF-S Lenses . 2022-08-14 . Canon . en.
9. News: 2018-09-05. Canon Unveils the EOS R, Its First Full-Frame Mirrorless Camera. PetaPixel. 5 September 2018.
10. News: 2018-09-05. Three EF-to-RF adapters available for EOS R. Digital Photography Review.
11. News: 2018-09-05. Canon EOS R full-frame mirrorless camera announced. The Verge.
12. Web site: Canon RF 35mm F1.8 MACRO IS STM Specifications . Canon Europe . 2020-05-22.
13. Web site: Canon developing six new RF lenses, including ultra-compact 70-200 F2.8 . Jeff . Keller . . 2019-02-09 . 2019-02-17.
14. Web site: Juicy technical tidbits on the Canon EOS RP - IR Interview/Q&A . Dave . Etchells . Imaging Resource . 2019-02-13 . 2019-02-17.
15. Web site: Canon announces the RF-S 10-18mm F4.5-6.3 IS STM, an ultra-wide zoom for APS-C cameras . 2023-12-20 . DPReview.
16. Web site: 2023-11-02 . RF-S10-18mm F4.5–6.3 IS STM . 2023-11-03 . usa.canon.com.
17. Web site: Canon announces the RF 24-105mm F2.8 L IS USM Z fast, flexible photo and video zoom . 2023-12-20 . DPReview.
18. Web site: 2023-11-02 . RF24-105mm F2.8 L IS USM Z . 2023-11-03 . usa.canon.com.
19. Web site: Canon announces RF 200-800mm F6.3-9 IS USM super-telephoto zoom lens . 2023-12-20 . DPReview.
20. Web site: 2023-11-02 . RF200-800mm F6.3–9 IS USM . 2023-11-03 . usa.canon.com.
21. Web site: Shop Canon EOS R100 Body Canon U.S.A., Inc. . 2023-05-24 . www.usa.canon.com.
22. Web site: 2021-10-06. Virtual Reality Through a New Lens: Canon Introduces Their First Dual Fisheye Lens for Stereoscopic 3D 180° VR Capture in 8K. live. 2021-10-06. www.usa.canon.com. https://web.archive.org/web/20211006144320/https://www.usa.canon.com/internet/portal/us/home/about/newsroom/press-releases/press-release-details/2021/20211006-product/20211006-product . 2021-10-06 .
23. Web site: Rumors . Canon . 2023-10-10 . Canon announces the Canon RF 10-20mm f/4L IS STM . 2023-10-13 . Canon Rumors Buyers Guide . en-US.
24. Web site: 2021-06-29. Canon Introduces New RF14-35mm F4 L IS USM Lens Broadening Imaginative Possibilities For Still And Video. live. 2021-06-29. usa.canon.com. https://web.archive.org/web/20210629084117/https://www.usa.canon.com/internet/portal/us/home/about/newsroom/press-releases/press-release-details/2021/20210629-lens/20210629-lens . 2021-06-29 .
25. Web site: 2022-07-12 . Canon Introduces RF24mm F1.8 Macro IS STM and RF15-30mm F4.5-6.3 IS STM - Two New Compact and Lightweight Wide-Angle RF-Mount Lenses . 2022-07-12 . 2022-07-13 . https://web.archive.org/web/20220713093924/https://www.usa.canon.com/internet/portal/us/home/about/newsroom/press-releases/press-release-details/2022/20220712-lens/20220712-lens . dead .
26. Web site: New Canon RF Mount Lenses Bring Optical Excellence to Pro and Advanced Amateur Photographers. usa.canon.com. 2019-09-01.
27. Web site: 2021-09-14. Canon Completes Another Chapter in the RF Lens Story – Introduces Two New Budget-Friendly Lenses for EOS R Full-Frame Mirrorless Users. live. 2021-09-14. usa.canon.com. https://web.archive.org/web/20210914180940/https://www.usa.canon.com/internet/portal/us/home/about/newsroom/press-releases/press-release-details/2021/20210914-lens/20210914-lens . 2021-09-14 .
28. Web site: Rumors . Canon . 2022-05-24 . Canon officially announces the Canon EOS R7, Canon EOS R10 and two new RF-S lenses . 2022-05-26 . Canon Rumors - Your best source for Canon rumors, leaks and gossip . en-US.
29. Web site: Shop Canon Pro RF24-50mm F4.5-6.3 IS STM . 2023-02-10 . Canon USA.
30. Web site: Canon RF 24-105mm f/4L IS USM. 2019-02-07.
31. Web site: Adding to your Lens Arsenal: Canon Introduces its New RF 24-105mm STM Standard Zoom Lens. 2020-02-12. live. https://web.archive.org/web/20200214042116/https://www.usa.canon.com/internet/portal/us/home/about/newsroom/press-releases/press-release-details/2020/20200212-lens/20200212-lens . 2020-02-14 . 2020-02-13.
32. Web site: Alerting All Wanderlust Photographers, Canon Announces Its First RF Telephoto Zoom Lens, The RF 24-240mm F4-6.3 IS USM. 2019-07-09.
33. Web site: Technische Daten & Funktionem für das RF 24-240mm F4-6.3 IS USM Objektiv. Deutschland. Canon. www.canon.de. de-DE. 2019-07-09.
34. Web site: Shop Canon Pro RF28mm F2.8 STM Canon U.S.A, Inc. . 2023-05-24 . www.usa.canon.com.
35. Web site: Canon RF 28-70mm f/2L USM. 2019-02-07.
36. Web site: Canon Announces First Lens in Series of Fixed Focal Length RF Hybrid Lenses - RF35mm F1.4L VCM. 2024-06-11.
37. Web site: Canon RF 35mm f/1.8 IS Macro STM. 2019-02-07.
38. Web site: Canon RF 50mm f/1.2L USM. 2019-02-07.
39. Web site: 2020-11-03. Canon Adds Two RF Lenses And PIXMA PRO Printer Ideal For The Enthusiast Photographer. live. https://web.archive.org/web/20201104145243/https://www.usa.canon.com/internet/portal/us/home/about/newsroom/press-releases/press-release-details/2020/20201103-lens/20201103-lens . 2020-11-04 . 2020-11-03. usa.canon.com.
40. Web site: Shop Canon RF-S55-210mm F5-7.1 IS STM Canon U.S.A., Inc. . 2023-02-10 . www.usa.canon.com.
41. Web site: Canon erweitert sein RF Objektivangebot um das RF 70-200mm F2.8L IS USM und das RF 85mm F1.2L USM DS - Canon Presse Center. Deutschland. Canon. Come and See. 24 October 2019. de-DE. 2019-12-01.
42. Web site: RF 85mm F1.2 L USM . 2019-05-09.
43. Web site: Rumors. Canon. 2021-04-14. Canon officially announces the Canon RF 100mm f/2.8L IS USM Macro. 2021-04-14. Canon Rumors - Your best source for Canon rumors, leaks and gossip. en-US.
44. Web site: Shop Canon RF100-300mm F2.8 L IS USM Canon U.S.A., Inc. . 2023-04-21 . www.usa.canon.com.
45. Web site: Canon's 100-500mm F4.5-7.1L IS USM is the first super-zoom for RF-mount.
46. Web site: Boundless Creativity: Canon Announces the Canon EOS R6 Mark II Hybrid Full-Frame Camera Canon U.S.A., Inc. . 2022-11-02 . www.usa.canon.com.
47. Web site: Rumors. Canon. 2021-04-14. Canon officially announced the RF 400mm f/2.8L IS USM and RF 600mm f/4L IS USM. 2021-04-14. Canon Rumors.
48. Web site: 2020-07-09. The Secret Is Out: Canon Officially Announces The Canon EOS R5 and R6, The Company's Most Advanced Full-Frame Mirrorless Cameras Ever. live. https://web.archive.org/web/20200709180233/https://www.usa.canon.com/internet/portal/us/home/about/newsroom/press-releases/press-release-details/2020/20200709-camera/20200709-camera . 2020-07-09 . 2020-11-03. www.usa.canon.com/.
49. Web site: 2022-02-24. RF800mm F5.6 L IS USM Lens. 2022-02-24.
50. Web site: 2022-02-24. RF1200mm F8 L IS USM Lens. 2022-02-24.
51. Web site: Is Canon Shooting Themselves In The Foot By Blocking Third Party Lens Manufacturers? . diyphotography.
52. Web site: AstrHori 12mm f/2,8 Fisheye f. Canon RF Vollformat . 2023-11-12 . BIG photo equipment . de.
53. Web site: 18mm F8 Shift Lens . 2023-11-12 . AstrHori . en.
54. Web site: 18mm F8 (APS-C) Macro Probe Lens . 2023-11-12 . AstrHori . en.
55. Web site: AstrHori 28mm F13 2X Macro Probe Lens . 2023-11-12 . AstrHori . en.
56. Web site: 50mm F1.4 Tilt Lens . 2023-11-12 . AstrHori . en.
57. Web site: 50mm F2.0 Portrait Lens . 2023-11-12 . AstrHori . en.
58. Web site: 85mm F2.8 Tilt - Macro Lens . 2023-11-12 . AstrHori . en.
59. Web site: Irix Lens . 2021-11-16 . Irix Lens . en.
60. Web site: Irix Lens . 2021-11-16 . Irix Lens . en.
61. Web site: Rumors . Canon . 2023-04-18 . Meike launches the AF 85mm f/1.4 autofocus lens for the RF mount . 2023-04-22 . Canon Rumors.
62. Web site: The World's First AF 14mm for RF Mount.
63. Web site: Samyang Optics. 2020-09-05. Samyang Optics. en.
64. Web site: Viltrox.com . 2022-02-07 . Viltrox.com . zh.
65. Web site: 2023-12-15 . NOKTON 40mm F1.2 Aspherical - 株式会社コシナ . 2024-03-17 . 株式会社コシナ - . ja.
66. Web site: 50mm / 1:1 Nokton Voigtländer . 2023-11-11 . www.voigtlaender.de.
67. Web site: 2024-03-15 . NOKTON 75mm F1.5 Aspherical - 株式会社コシナ . 2024-03-17 . 株式会社コシナ - . ja.
68. Web site: Review on Radojuva.com. 2022-02-07. Radojuva.com. en.
69. Web site: Review on Radojuva.com. 2022-02-07. Radojuva.com. en.
70. Web site: Mitakon Speedmaster 20mm T1.0 S35 Cine Lens . Mitakon - ZY Optics . 2023-11-12 . en-US.
71. Web site: (NEW) Mitakon Creator 28mm f/5.6 Lens . Mitakon - ZY Optics . 2023-11-12 . en-US.
72. Web site: Mitakon Speedmaster Cinema Lens 35mm T1.0 . Mitakon - ZY Optics . 2023-11-12 . en-US.
73. Web site: Mitakon Speedmaster 35mm f/0.95 . Mitakon - ZY Optics . 2023-11-12 . en-US.
74. Web site: Mitakon Speedmaster 50mm f/0.95 III . Mitakon - ZY Optics . 2023-11-12 . en-US.
75. Web site: Mitakon Speedmaster 90mm f/1.5 Lens . Mitakon - ZY Optics . 2023-11-12 . en-US.
76. Web site: Mitakon Creator 135mm f/2.5 Lens . Mitakon - ZY Optics . 2023-11-12 . en-US.
77. Web site: Mitakon 200mm f/4 1x Macro Lens . Mitakon - ZY Optics . 2023-11-12 . en-US.
78. https://store.canon.co.uk/canon-extender-rf-1-4x/4113C005/
79. https://store.canon.co.uk/canon-extender-rf-2x/4114C005/