Canon RF14-35mm F4L IS USM Lens
The Canon 14-35mm f/4L IS USM is a 14–35mm f/4 lens designed for Canon RF mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

Canon RF14-35mm F4L IS USM Lens
Get notified when one lists.
We'll text or email you the moment a Canon 14-35mm f/4L IS USM is listed on GearFocus.
Have a Canon 14-35mm f/4L IS USM sitting in your bag?
You'd be the first listing for this model.
Serious buyers are already watching — list yours in minutes.
Lens Overview — Canon 14-35mm f/4L IS USM
Key Features — Canon 14-35mm f/4L IS USM
14-35mm Zoom Range: Covers ultra-wide to standard wide-angle perspectives in a single lens, useful for landscapes, architecture, and interiors.
Constant f/4 Aperture: Maximum aperture stays at f/4 throughout the entire zoom range, keeping exposure settings consistent as you zoom.
Optical Image Stabilization: Built-in IS helps reduce camera shake during handheld shooting, particularly useful in low-light or slow-shutter situations.
Canon L-Series Optic: Part of Canon's professional lens lineup, built to higher standards of optical performance and construction quality.
Canon RF Mount: Designed natively for Canon's full-frame mirrorless system, compatible with bodies such as the EOS R5, R6, and R3.
Ring-Type USM Autofocus: Ultrasonic motor delivers fast, quiet autofocus well-suited to both stills and video work.
Lens Specifications — Canon 14-35mm f/4L IS USM
| Spec | Detail |
|---|---|
| Use Cases | Landscape, Architecture, Travel, Real Estate, Video / Cinematography, Macro |
| Lens Type | Zoom |
| Format | Full Frame |
| Zoom/Prime | Zoom |
| Focal Length | 14–35mm |
| Maximum Aperture | f/4 |
| Camera System | Mirrorless |
| Lens Mount | Canon RF |
| Autofocus | Yes |
| Focus Type | Auto, Manual |
| Image Stabilization | Optical |
| Filter Thread | 77mm |
Description — Canon 14-35mm f/4L IS USM
The Canon RF 14-35mm f/4L IS USM is a full-frame wide-angle zoom lens designed for the Canon RF mirrorless mount. Its 14mm to 35mm focal length range makes it well-suited for landscapes, architecture, and environmental portraiture where broad coverage matters. The constant f/4 maximum aperture holds steady across the entire zoom range, ensuring predictable exposure without needing to compensate as you adjust focal length.
Built-in optical image stabilization provides additional support for handheld shooting scenarios. The 77mm filter thread accommodates a wide range of standard filters, while the 540g weight keeps the lens manageable for extended shoots. Both autofocus and manual focus are supported, and the lens is purpose-built for the RF mount ecosystem.
Whether you're shooting handheld in tight indoor spaces or composing wide landscape frames in the field, this zoom offers the range and optical format to handle the demands of full-frame wide-angle work.
Pros — Canon 14-35mm f/4L IS USM
- ✓Wide focal length range of 14mm to 35mm covers a broad spread of wide-angle perspectives
- ✓Constant f/4 maximum aperture maintains consistent exposure across the full zoom range
- ✓Optical image stabilization helps maintain sharpness during handheld shooting
Cons — Canon 14-35mm f/4L IS USM
- ✗f/4 maximum aperture limits low-light capability compared to faster wide-angle options
- ✗No information in specs about weather sealing despite L-series designation
- ✗540g weight may still feel substantial for ultralight or minimalist travel kits
Reviews — Canon 14-35mm f/4L IS USM
- Canon RF 14-35mm f/4 L IS Review
Photography Life · 2021-10-12 - Canon RF 14-35mm F/4L IS USM Lens Review
ePHOTOzine · 2021-09-14 - Canon RF 14-35mm f/4L IS USM Lens Review: Feels Good, Shoots Great
PetaPixel · 2021-09-09 - Canon RF 14-35mm f/4L IS USM review
Digital Camera World · 2021-09-13 - CANON RF 14-35 f4L REVIEW: WORST VIGNETTING EVER?!
Jared Polin - Canon RF 14-35mm f4L REVIEW vs 15-35mm vs 16mm
Gordon Laing
Videos — Canon 14-35mm f/4L IS USM
Canon RF 14-35mm f/4 lens review with samples — Christopher Frost
Frequently Asked Questions — Canon 14-35mm f/4L IS USM
What cameras is the Canon RF 14-35mm f/4L IS USM compatible with?+
This lens is built for the Canon RF mount and is designed for full-frame mirrorless cameras in the Canon RF system. It will not mount natively on EF-mount DSLRs or other mirrorless systems without an adapter.
Does this lens have image stabilization?+
Yes, the lens features optical image stabilization as listed in the specifications. This helps reduce camera shake during handheld shooting.
What filter size does this lens use?+
The Canon RF 14-35mm f/4L IS USM uses a 77mm filter thread. This is a common size, making it easy to pair with standard 77mm filters for landscape and architectural photography.
Is the aperture constant throughout the zoom range?+
Yes, the maximum aperture is f/4 across the entire 14mm to 35mm zoom range. This means your exposure settings remain consistent as you zoom in or out.
How much does this lens weigh?+
The lens weighs 540 grams according to the specifications. This makes it a moderately light option for a full-frame wide-angle zoom, though still substantial enough to consider when packing for travel.
Does this lens support autofocus?+
Yes, the lens supports autofocus as well as manual focus. Both modes are available, giving you the flexibility to switch based on your shooting situation.