Canon RF 14-35mm F4L IS USM Overview

Introduction

Ease of Use

The Canon RF 14-35mm F4L IS USM is a completely weather-sealed ultra-wide-angle zoom lens with a devoted Canon RF mount that’s manufactured from steel. Communication between lens and digital camera physique is supplied by 12 electrical contacts.

Be aware nonetheless that to be able to take full benefit of the weatherproofing, you will have to mount it on a equally weather-sealed physique, just like the Canon EOS R5 digital camera that we examined it with.

The weather-proofing offers you confidence that the lens will survive all types of various climate situations, whereas its sturdy development additionally offers the lens an air of top quality.

Tipping the scales at 540g and measuring 99.8mm in size and 84.1mm in diameter, the Canon RF 14-35mm F4L IS USM is a pleasingly compact and light-weight ultra-wide-angle zoom lens that you would be able to carry round all day with out noticing.

When it is set to to both 14mm or 35mm, although, it does achieve one other 1cm in size. It is truly at its shortest in size when set to 22mm.

The Canon EOS R5 used for this take a look at is an excellent match for the lens, providing pleasing steadiness, quick auto focus, and full environmental sealing.

To connect the lens to the digital camera physique, all you have to is match up the crimson line on the lens mount with the crimson line on the lens itself, twisting the lens into place to lock it securely to the mount.

The RF 14-35mm F4L IS USM lens could be very effectively constructed, absolutely residing as much as the skilled designation that Canon have given it, as denoted by the “L” moniker within the product title.

Additionally, across the entrance of this lens is the distinctive crimson ring which is discovered on all Canon L collection “skilled lenses”. Whereas this doesn’t truly do something, it’s there to point that the lens belongs to the best potential normal.

The lens mount itself is once more very high-quality, being constituted of steel which appears to be very sturdy and safe.

When it comes to options, the RF 14-35mm F4L IS USM offers many of the similar controls supplied by among the greater, quicker Canon F/2.8 lenses.

In the direction of the again of the Canon RF 14-35mm F4L IS USM lens you’ll discover two switches. There’s one for transferring between handbook focus and autofocus, whereas one other means that you can change the picture stabiliser on or off.

This lens has built-in picture stabilisation which provides you as much as 5.5 stops of compensation to assist preserve your photos as sharp as potential.

Even higher, when mixed with the in-body picture stabilization present in sure Canon EOS R-series cameras (such because the EOS R5 that we examined it with), the RF 14-35mm F4L IS USM offers an much more spectacular 7 stops of compensation.

Three completely different rings are discovered across the lens. The biggest ring, discovered in the direction of the bottom of the lens is for zooming the lens out and in. It has a ridged textured grip on it, which helps you are feeling by contact that you just’re utilizing the proper ring.

The zoom ring is marked with completely different focal lengths so you may rapidly soar to the focal size you’d like to make use of – these are 14mm, 20mm, 24mm, 28mm and 35mm – you’re after all free to pick out focal lengths in between these marked, too.

In entrance of the zoom ring is a handbook focusing ring. That is equally textured to the zoom ring, however simply completely different sufficient that it is best to be capable of really feel a distinction if simply touching the lens and never it.

The ring can also be roughly half the scale of the zoom ring. It has a great quantity of give, making it not too free and never too tight – it’s simply the correct quantity to make exact handbook focusing straightforward.

Guide focusing is finished in a conventional trend, with the adequately sized focus ring electronically coupled to the transferring lens components, though there are not any onerous stops at both finish. Focusing is absolutely inner and the 77mm filter thread doesn’t rotate on focus.

With the RF 14-35mm lens connected to a Canon R5 physique, focusing proved to be very fast in most conditions. This mix is able to locking deal with a topic virtually immediately, even when alternating between shut and faraway topics.

In excessive low-light conditions you might expertise a bit of focus looking on the lengthy finish, the place a lens with a quicker f/2.8 fixed aperture would assist keep away from this.

The final ring the smallest of the three, and likewise has a distinct textured coating once more. This ring can be utilized for plenty of completely different capabilities that may be customised from inside the principle digital camera menu. You need to use it to regulate aperture, shutter pace, ISO or publicity compensation.

Alternatively you may change it off so it does nothing. Not like the opposite two lenses, this ring clicks if you flip it. Whereas that’s useful for judging by ear if you’ve made a setting change, it’s one thing to think about when taking pictures video, quite than stills.

Included within the field is a lens hood (EW-83P), which is simple to connect to the lens – merely line up the crimson dot with the crimson marking on the lens and twist into place. You too can reverse the lens hood for decreasing the general measurement when transporting the lens. This lens accepts 77mm entrance filters.

Focal Vary

The 14mm focal size offers an angle of view of 104 levels.

14mm

The 35mm focal size offers an angle of view of 54 levels.

35mm

Chromatic Aberrations

Chromatic aberrations, usually seen as purple or blue fringes alongside contrasty edges, will not be an excessive amount of of an issue with the Canon RF 14-35mm F4L IS USM lens, besides in areas of very excessive distinction.

14mm

35mm

Vignetting

With the lens set to its most aperture of f/4, there’s some gentle fall-off within the corners, requiring you to cease down by not less than 2 f-stops to utterly forestall it.

14mm

35mm

Distortion

The Canon RF 14-35mm F4L IS USM would not exhibit an excessive amount of barrel or pincushion distortion, as you may see within the images under.

14mm

35mm

Sunstars and Flare

The Canon RF 14-35mm F4L IS USM is able to producing good sunstars when stopped-down to f/16 or f/22, as proven under, though the lens is not significantly inclined to flare when taking pictures immediately into the solar with the equipped lens hood fitted.

14mm

35mm

Macro

The Canon RF 14-35mm F4L IS USM just isn’t actually a macro lens, nevertheless it does provide a usefully shut focus level of 20cm / 7.87in throughout all the zoom vary from the sensor airplane and a most magnification of 0.38x.

Bokeh

Bokeh is a phrase used for the out-of-focus areas of {a photograph}, and is often described in qualitative phrases, resembling clean / creamy / harsh and so forth.

Canon have paid shut consideration to this facet of lens use, using a 9-segment diaphragm with rounded blades for extra pleasing bokeh.

In our view, their efforts have been very profitable for an ultra-wide zoom lens – see the examples under to guage for your self.

Sharpness

So as to present you ways sharp the Canon RF 14-35mm F4L IS USM lens is, we’re offering 100% crops on the next pages.