Ultra-wide and stabilized, the Canon RF 14-35mm f/4 L IS USM Lens - Compact Wide Zoomis a uniquely versatile zoom characterize by its broad range, constant f/4 maximum aperture, and advanced optical design. Gaining a bit on the wide end, this zoom offers a broader field of view to suit landscape, nature, and architectural applications, and its modest maximum aperture also contributes to a sleek, highly portable design for walkaround shooting.

In terms of optics, the lens is befitting of its L-series designation and features three aspherical elements and three UD elements that produce a highly corrected image with high sharpness and accurate color rendering. A trio of unique coatings have also been applied to suppress flare and ghosting throughout the zoom rang. The L-series designation is also indicative of a robust physical design, and this 14-35mm is weather-sealed and features a fluorine coating on the exposed elements for further protection against trying weather conditions.

Unique among ultra-wides, this lens is also distinguished by its Optical Image Stabilizer that compensates for up to 5.5 stops of camera shake, or up to 7 stops when paired with cameras featuring IBIS. Additionally, there is also an apt Nano USM that yields fast and quiet autofocus performance and there is a minimum focusing distance of just 7.9" throughout the entire zoom range for creative wide-angle close-up shooting.

RF-Mount Lens/Full-Frame Format    Aperture Range: f/4 to f/22    Three UD Elements    Three Aspherical Elements    Air-Sphere and Fluorine Coatings    Nano USM AF System    Optical Image Stabilizer    Customizable Control Ring    Rounded 9-Blade Diaphragm

Wide-angle zoom lens is designed for use with full-frame Canon RF-mount mirrorless cameras.

Constant f/4 maximum aperture maintains consistent illumination throughout the zoom range.

An Optical Image Stabilizer helps to minimize the appearance of camera shake by 5.5 stops to better enable working in low-light conditions and with slower shutter speeds.

Up to 7 stops of correction when used on EOS R-series cameras with In-Body Image Stabilization.

Nano USM system utilizes both a ring type USM and an STM mechanism to realize quick and accurate focusing that is also smooth and nearly silent to suit both photography and video applications. This focusing system also affords full-time manual focus control when working in the one-shot AF mode.

Configurable Control Ring can be used to adjust a variety of exposure settings, including aperture, ISO, and exposure compensation.

As a member of the esteemed L-series, this lens has a weather-resistant design that protects against dust and moisture to enable its use in inclement conditions.

Related Questions and Answers

Q: 1. Why doesn't multiple exposure work with this lens on canon R?

A: Canon has not said specifically why the RF 14-35mm f/4 L IS USM Lens does not support in camera multiple exposures. We feel based on other lenses that do not support in camera ME is due to required distortion correction that lenses like the 14-35mm use, Canon disables this feature.

Q: 2. vignetting correct?

A: Like most ultra-wide-angle lenses, the Canon RF 14-35mm f/4 L IS USM Lens exhibits some vignetting in the 14-20mm range.

Q: 3. I am looking to buy Kase magnetic filters for use with this lens. Most reviews seem to indicate that a slim 77mm screw-in filter will not vignette once barrel distortion is corrected. Can anyone offer any guidance as to which Kase filter size I should be looking at for 2 filter stack?

A: This is correct the low profile filters is the only way to go to avoid all vignette issues. Please review the following Kase Master III Kit (77mm) BH #KA1121050006 • MFR #1121050006 https://bhpho.to/3pGVQz8

Q: 4. will this lens focus faster than the EF 600mm mark iii plus adapter?

A: Both the Canon RF 600mm f/4L IS USM Lens and the Canon EF 600mm f/4L IS III USM Lens have the same USM focus motor. Using an adapter with the EF lens will slightly slow down the focus speed.

Q: 5. Can this Lens be used with the Canon EOS R8?

A: The Canon RF 14-35mm f/4 L IS USM Lens is compatible with the Canon EOS R8 Mirrorless Camera.

Q: 6. Can this lens be used with the Canon EOS R7?

A: Yes, you can use the Canon RF 14-35mm f/4 L IS USM Lens on the Canon EOS R7, with a crop factor of 1.6X applied to the focal length.

Q: 7. Can the vignetting be corrected on the EOS R5?

A: Yes, The camera offers in camera Lens Aberration Correction and can also be done is postproduction software such as Adobe PS / LR raw converter.

Q: 8. Is there an EF to RF adapter?

A: If you mean Canon RF mount lens to Canon EF/EF-S camera, there is not an adapter made to do that. The flange distance is too small.

Q: 9. Can you correct the lens distortions in Elements 2023?

A: To do this choose In Photoshop Elements choose Filter Correct Camera Distortion.

Q: 10. Does this lens zoom internally or does it extend?

A: This lens does not zoom internally.