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Canon Launches its Widest Native RF Ultra-wide Lens!

The RF14-35mm f/4L IS USM covers 14mm with 0.38x magnification at 35mm in a compact lens design!


Canon today announced the launch of the RF14-35mm f/4L IS USM ultra-wide-angle zoom lens, which completes the f/4L trinity of RF lenses, together with the RF 24-105mm f/4L IS USM and RF 70-200mm f/4L IS USM lenses. With its 14-35mm focal range and 0.38x magnification at 35mm, Canon’s latest lens for its full-frame mirrorless camera systems is equally adept at capturing stunning ultra-wide-angle landscape and architectural shots – providing photography enthusiasts with a versatile, professional-grade mount zoom lens at an accessible price point.

Expanding the Ultra-wide Range to 14mm with x0.38 magnification

Regardless of whether you are looking to shoot indoor or outdoor landscape and architecture, the RF14-35mm f/4L IS USM can capture more of the surroundings in a limited space or further emphasize the perspective of a scene as it is 2mm wider than its EF counterpart, EF16-35mm f/4L IS USM.

Due to its short back focus design, the RF14-35mm f/4L IS USM can shoot with a minimum focusing distance of approximately 0.2m and a maximum magnification of approximately 0.38x at 35mm. The rear focusing system suppresses focus breathing and the low weight of the focus lens group increases AF speed for comfortable close up shooting.

Up to 4 seconds Shutter Speed with The EOS R5 and EOS R6

The RF14-35mm f/4L IS USM is the first RF lens to cover the ultra-wide-angle range of 14mm that features an Optical Image Stabilizer with a CIPA standard of approximately 5.5 stops. When used in tandem with the EOS R5 and EOS R6, the image stabilization effect is approximately 7 stops, through coordinated control of the In-body Image Stabilizer and Optical Image Stabilizer – making handheld shots at up to 4 seconds shutter speed at 35mm a new possibility.

This also allows for sharper images such as when shooting in dark places where a tripod is unavailable or unsuitable, such as in tight and crowded spaces. The RF14-35mm f/4L IS USM’s Nano USM focus drive system also delivers high-speed, high-precision still image AF and smooth movie AF.

Higher image quality in a Compact and Light Package 

Despite being 2mm wider than its EF counterpart, Canon’s latest RF lens is approximately 12% shorter and lighter than the EF 16-35mm f/4L IS USM lens.

The RF14-35mm f/4L IS USM boasts a wider angle than previous models, which is achieved through the effective arrangement of three aspherical lenses, which includes one ultra-low dispersion (UD) lens and three UD lenses (including the UD spherical lens) while maintaining the high image quality that has become the mark of Canon’s camera lenses.

Instead of common vapour-deposit coatings, the RF14-35mm f/4L IS USM features the use of Subwavelength Structure Coating (SWC) and Air Sphere Coating (ASC) for its anti-reflective properties, reducing flare issues such as ghosting when shooting in brightly lit environments.

With its dust and drip-resistant design, the RF14-35mm f/4L IS USM is able to withstand most outdoor conditions, giving users peace of mind. Sealing is applied to lens joining sections and switch panels to prevent water and dust from entering.

For ease of maintenance, the surface of the lens’ front element has a fluorine coating, which repels oil and water oil that adheres to the lens can simply be wiped off with a dry cloth, without the use of a solvent.


Focal Length 14-35mm
Maximum Aperture f/4
Minimum Aperture f/22
Minimum Focusing Distance 0.2 m
Maximum Magnification 0.38x (at 35 mm), 0.15x (at 14 mm)
Lens Construction 16 elements in 12 groups
Special Low Dispersion Glass 3 UD lenses
Special Coating SWC, ASC, fluorine coating
Drip/Dust Resistance Supported
Aperture Blades 9
Image Stabilisation (CIPA Standard Correction Effect) Yes (Up to 5.5 stops)
Coordinated Image Stabilisation Yes (Up to 7 stops)
Filter Diameter ?77 mm
Maximum Diameter and Length Approx. 84.1 mm x 99.8 mm 
Weight Approx. 540 g

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I am a mechanical & automation engineering student, hardcore gamer and master in Age of Empire, and always ready to learn and create new things. I love challenges and like to face them upfront. Find me here.


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