Canon RF 15-35mm f/2.8 L IS USM : Specifications and Opinions

The Canon RF 15-35mm f/2.8 L IS USM is a wide-angle lens for FF and APS-C, manufactured from 2019. The focus is done by Ultrasonic AF Motor (Nano-USM), it has image stabilization. The average price, when it has been added to the JuzaPhoto database, is 2250 €;

51 users have given it an average vote of 9.4 out of 10.

MOUNT

This lens is available with the following mounts:

Canon RF: this lens is compatible with mirrorless fullframe and APS-C Canon RF.

Specifications
Focal lenght	15-35 mm
Angle of view	110.4 - 63.4°
Format	FF, APS-C
Max. aperture	f/2.8
Aperture blades	9
Lenses/Groups	16 elements in 12 groups
Min. focus distance	0.28 meters
Reproduction ratio	0.21x
Features
Zoom type	Ring, external
Stabilization	Yes (built in lens)
Focus	Ultrasonic AF Motor (Nano-USM)
Internal Focus	Yes
Built and notes
Tripod ring	No
Extenders	No
Filters	82 mm
Lens hood	Yes, supplied
Weather sealing	Yes
Weight	840 g
Dimensions	89 x 127 mm
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Reviews

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The following opinions have been automatically translated with Google Translate.

Orion

sent on 31 Ottobre 2025

Pros: Versatility, resolution, stabilization and tropicalization

Cons: Exaggerated TA vignetting, plastic thread for filters, high price even if in line with products of the same family also in other brands.

Opinion: I thought I didn't need it as I already had the legendary 21 Zeiss distagon. Instead, as almost always, practicality wins and the Zeiss remains in the window at home. Pure laziness because every time I have the dilemma of which to put in my backpack. In general, if I have to do only landscape I prefer Zeiss, if instead I have to photograph events, celebrations or even wandering landscapes, well then I bring the Canon. However, quality is up to the Zeiss, with a slight advantage in terms of resolution given a more recent project with a leap forward in terms of glass quality. Where the Zeiss wins instead is in granite robustness and vignetting, but we know that the reduced distance from the sensor for ML makes this parameter worse. We will come to terms with it but not a drama.

Lucas91

sent on 20 Ottobre 2024

Pros: SHARPNESS, IMAGE QUALITY, BRIGHTNESS;

Cons: DISPROPORTIONATE WEIGHT; HIGH PRICE; EXPENSIVE 82 MM FILTERS; NOT VERY RESISTANT TO DUST; TERRIBLE FLARE; DISTORTION EVIDENT AT ALL FOCAL LENGTHS

Opinion: I go against the tide with respect to the opinions expressed here on the site. My opinion of this lens is negative. Undoubtedly the sharpness of the 15 -35 is exceptional and clearly beats the other wide-angle lenses of the EF series that I have tried. However, it is known that similar lenses such as the excellent EF 16-35 cost 800/900 euros... here, however, we find ourselves having to shell out a Mega cost of 2,200 euros and it is for this reason that I believe that the judgment on this lens must be particularly severe. So let's leave out the sharpness and move on to analyze the other aspects of the lens. To begin with, the weight is considerable, so much so that for a normal traveler it is difficult to carry other lenses in the backpack than the wide-angle. The problem exists because given the obvious distortion of the images produced by the lens, it is not possible to use the lens as "normal" for non-landscape shots, otherwise the subject will be deformed. From another point of view, after a year of use I noticed several times the blockage of the UV and polarizing filters due to the infiltration of dust between the filter and the lens itself with consequent intervention in assistance for the unblocking of the lens with breakage of the filter itself (moreover very expensive given the size). Furthermore, given the plastic material, very different from EF lenses, dust sticks everywhere and makes it mandatory to clean the lens thoroughly after each photo session. And again, compared to the EF 16-35 lens, (which fortunately I had not sold), the flare is very annoying and makes it almost impossible to take photos against the light. In addition, the distortion of the lens is quite marked and it is not possible to reduce it in post. In short, it is a good lens but given the defects I listed I do not recommend its purchase. However, I am waiting for the MARK II version because objectively having a high aperture on a wide-angle lens has considerable advantages. At the moment, therefore, if you need a wide-angle lens, I would evaluate other options. Final grade : 5

Nik

sent on 21 Marzo 2024

Pros: Sharpness, focal length up to 15 mm, distortion

Cons: Worst flare ever, price

Opinion: Very mixed opinions for this lens. It would seem to be a perfect lens: 15mm, impeccable sharpness, minimal distortion... It would be worth every euro if it weren't for an unfortunately not negligible flaw: flare resistance. With this lens it is impossible to take pictures against the light. I come from an EF 16-35mm f/4 (which is half the price) and I've never had a problem pointing it at a light source. I'm pretty disappointed. To learn more about the flare problem of the RF 15-35mm F/2.8 I refer to this in-depth discussion: https://www.juzaphoto.com/topic2.php?l=it&t=4483419&show=1

Doriano Ciardo

sent on 01 Settembre 2023

Pros: All the quality of RF L-series glass

Cons: Nobody

Opinion: Precise optics and excellent glass. Perhaps accustomed to the RF 28-70, this 15-35 is a twig. The mechanism is very fluid and silent. Fast AF. Excellent rendering in sharpness and colors typical of Canon. A joy to use. Very efficient. I would add that also for this RF-L, the opportunity to update the signature of these optics not only improves the performance of the stabilizer in combination with the IBIS, but a continuous evolution/coupled with the future R5mk2, R3, R1 etc.

Leonardo Ba

sent on 19 Giugno 2023

Pros: It doesn't illuminate the sensor, it sculpts it!

Cons: It is not a stalk.

Opinion: I have been using it for three years coming from the excellent EF 16-35F4L IS inherited from the 5DIII that I used with the adapter. Despite the demanding F2.8 aperture, this zoom shows how the aperture can only be used for 'artistic' reasons. Closing in order to achieve greater quality is in fact useless, the variations are very modest. The really high sharpness already at TA, with the edges qualitatively glued to the center, is paired with a vignetting that is never a problem, as well as distortion. The hood has not proved to be very efficient, probably to improve it we should resort to its greater dimensioning but increasing the fatigue of use; On the other hand, we are helped by a really good backlight resistance in such a complex perspective. The mechanics are precise, the rotations are uniform, almost velvety (similar to some Zeiss of Contax). I find the lens clean and well cared for, certainly the volume and weight do not apply it as ideal for hiking in the mountains, but if you accept the effort you are amply rewarded with so much quality, especially in scenes with strong contrast. A great glass, chapeau Canon.

There are 11 more reviews. Show all »

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Canon RF 15-35mm f/2.8 L IS USM : Specifications and Opinions

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Photos taken with Canon RF 15-35mm f/2.8 L IS USM