Covering a useful wide-angle focal length range, the EF 16-35mm f/4L IS USM is a Canon L-series lens distinguished by its constant f/4 maximum aperture, sophisticated optical design, and use of image stabilization to realize sharp imagery. Two ultra-low dispersion elements are used to greatly reduce color fringing and chromatic aberrations throughout the zoom range for high clarity and color accuracy, and a Super Spectra coating has also been applied to suppress flare and ghosting for improved contrast. Three aspherical elements are also featured and help to control distortion and minimize spherical aberrations for improved sharpness.

Complementing the imaging capabilities, this wide-angle zoom also features a four-stop-effective Image Stabilizer system that minimizes the appearance of camera shake for sharper handheld shooting. A ring-type USM and internal focusing mechanism also afford quick, quiet, and accurate autofocus performance, as well as full-time manual focus override. Additionally, this lens is weather-sealed and has a protective fluorine coating on the exposed elements for use in trying environmental conditions.

Open Box Products Have a Limited 1-Year Manufacturer Warranty    EF-Mount Lens/Full-Frame Format    Aperture Range: f/4 to f/22    Two Ultra-Low Dispersion Elements    Three Aspherical Elements    Super Spectra and Fluorine Coatings    Ring-Type Ultrasonic Motor AF System    Optical Image Stabilizer    Weather-Sealed Construction    Rounded 9-Blade Diaphragm

Wide-angle zoom is designed for full-frame Canon EF-mount DSLRs, however can also be used with APS-C models where it provides a 25.6-56mm equivalent focal length range.

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

Two ultra-low dispersion glass elements noticeably reduce color fringing and chromatic aberrations for high clarity and color fidelity.

Three aspherical elements minimize spherical aberrations and distortions for improved sharpness and accurate rendering.

Super Spectra coating has been applied to individual elements to minimize ghosting and flare for greater contrast and color neutrality when working in strong lighting conditions.

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

A ring-type Ultrasonic Motor (USM), along with an internal focusing system, is employed to deliver fast, precise, and quiet autofocus performance as well as full-time manual focus override.

Rounded nine-blade diaphragm contributes to a pleasing out of focus quality that benefits the use of shallow depth of field and selective focus techniques.

Protective fluorine coating has been applied to the front and rear element to resist fingerprints and smudges and to make cleaning these elements significantly easier.

As a member of the esteemed L-series, this lens is sealed against dust and moisture for working in inclement environmental conditions.

Related Questions and Answers

Q: 1. I've just bought this lens. I can hear an electronic noise when the stabilizer is on and I press half way the camera shutter button.I don't hear this noise when the stabilizer is off. Is it normal? Does anyone hear that noise?Thank you for your answer

A: Yes, that noise is normal.It is the stabilization working , correcting for the movement as you hold the lens.Hope it helps, but its quite normal.-Jim

Q: 2. I've used this on a new Canon Rebel T6i and it's hard to see an improvement over the 18-55 kit lens that came with the Rebel. I realize the cropped sensor is limiting but it's still 24.2 mp. Is the Rebel not up to deriving a significant benefit from this lens or is it just me?

A: This lens is primarily intended to be used on a full frame camera like 5D Mark III/IV. I have a 70D (APS-C) and 5d Mark III and I have never used this lens on 70D, though it would work. On 70D, I usually use the 18-135mm general purpose lens. On Mark III, 16-35mm acts as a terrific wide angle lens. I have some great pictures with this lens, that I can't even think about with an APS-C + 18-55mm lens. 18-55mm is one of the cheapest Canon Lenses. 16-35mm f/4L is a higher build quality and constant aperture lens.

Q: 3. Will the Canon EF 16-35mm f/4L IS lens fit the Canon 6D?

A: Yes, of course. I'm sure you'll be very pleased with the results as well. In my opinion, it's the finest wide angle lens out there.

Q: 4. Hi guys. I shoot moving subjects in AI Servo and am not sure what would be better the f/4 with IS or the 2.8 III with the extra stop of light. Any recommendations?

A: I dont have a direct answer to your question. The f/4 is outstanding.

Q: 5. can this be used in heavy rain or down pour?

A: It is weather-sealed as long as you have a filter on the lens. That being said, I certainly would not use this in heavy rain conditions without some kind of cover for additional protection.

Q: 6. Online reviews have stated that there is a humming noise when recording video, since the lens have been out for 3+ years now is that still the case or has Canon made improvements on the IS to the point that it is silent now?

A: Sorry, I Haven't used it for video yet, only still photography.

Q: 7. I am ready to buy Canon's 16-35 f4L. Can I use a normal UV filter or should I use a thin UV filter?

A: If you are using the Canon EF 16-35mm f/4L IS USM Lens on a full-frame camera, as it is wider than 24mm, yes, I would recommend using a thin filter on this lens. If you are using this lens on an APS-C sensor camera, then a standard filter may be used.

Q: 8. I have a Canon 70D, does this lens work with base?

A: Yes it will.

Q: 9. What kind of warranty is on the lens? Is this lens USA version or grey market one?

A: Limited 1-Year Canon USA Warranty.

Q: 10. Does anyone have experience with this lens versus the 2.8 version (which is much more $$$). I have heard that within the f-stop range f4.0 and up, this lens is actually better than the 2.8 version. Can anyone with direct experience with both lens comment on whether this lens is better IQ, contrast, etc. ?

A: I own both lenses. The f/4 lens is better in every way...except being a stop slower. The IS of the f/4 version is invaluable. The only advantage of the f/2.8 version is being able to use a 2x faster shutter to photograph moving subjects. I never use the f/2.8 version anymore.