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Bridging Tech and Creative Photography
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Lenses

Review: Canon RF 35mm F1.8 USM IS (Almost Worthy of Being L Glass)

Chris Gampat
No Comments
06/27/2019
8 Mins read
Chris Gampat The Phoblographer Canon 35mm f1.8 RF IS USM review product images f2.8 1-100s ISO400

Last Updated on 02/26/2020 by Mark Beckenbach

The Canon 35mm f1.8 USM IS RF has a very affordable price point and the image quality to exceed said price point.

When the Canon RF 35mm f1.8 USM IS was first announced, I was excited until I learned that it didn’t have weather sealing. For those of you who have been fans of the site for years, you’ll know that I’m big on weather sealing. I’m of firm belief that every camera and lens these days should have it. And I’m also a big fan of small lenses for mirrorless cameras. The Canon RF 35mm f1.8 USM IS is just that. It surely isn’t an L lens but this is a lens designed for fun and a little bit of serious work. Most importantly, it has image stabilization built in.

Pros and Cons

Pros

  • Small
  • Lightweight
  • Fairly fast to focus
  • It’s a lens designed to always be on your camera
  • Image stabilization (very much needed in the system)
  • Gorgeous bokeh
  • Sharp enough for most uses but not as sharp as most L glass I’ve seen and used. Still, it’s a shocker
  • Pretty affordable at $449 regularly.

Cons

  • We would have gladly paid more money weather sealing

Gear Used

We tested the Canon 35mm f1.8 USM IS RF with the Profoto B10, Canon EOS R and the Canon EOS RP.

Tech Specs

Taken from the official Canon 35mm f1.8 USM IS RF listing

Focal Length & Maximum Aperture

35mm f/1.8

Lens Construction

11 elements in 9 groups

Diagonal Angle of View

63°00′

Focus Adjustment

AF with full-time manual

Closest Focusing Distance

0.56 ft. / 0.17m

Filter Size

52mm

Max. Diameter x Length, Weight

Φ2.93 x 2.47 in., approx. 10.8 oz. / Φ74.4 x 62.8mm, approx. 305g

Ergonomics

The Canon RF 35mm f1.8 USM IS is ultimately a small lens. You can tell this by looking at it overall and even when holding it, that thought is hammered into your head. We start at the front here where we see the 52mm filter thread.

As far as controls go on the Canon RF 35mm f1.8 USM IS, it’s different than many others out there. Near the front is a control ring that can be programmed for ISO, shutter speed, aperture, etc. The back ring is for focusing.

On the side of the Canon RF 35mm f1.8 USM IS are two switches: one for AF and MF while the other is for image stabilization.

Build Quality

When you hold this lens, you’ll feel that it’s akin to a piece of fruit–liken it to a small apple if anything. In the hand, it feels very nice and due to the size, the control ring around the lens is simple enough to reach and use. With all this said, I really, really wish that the Canon 35mm f1.8 USM IS RF were weather sealed. Though it’s built well overall, weather sealing would have made this lens a truly perfect companion to the company’s stellar L lens lineup for the RF series. The weather sealing would also naturally match the build quality of the bodies as all of them thus far are weather sealed. And while many photographers may not care about taking the cameras out into the rain as much as I do, accidents happen when out with friends or on vacation. The cameras can have your alcoholic beverage of choice spilled on them and that lack of weather sealing will surely cost you some money. During our tests, the lens admittedly went out into the lighted of drizzles here in NYC, but even a Rebel could survive that.

“With all this said, I really, really wish that the Canon 35mm f1.8 USM IS RF were weather sealed. Though it’s built well overall, weather sealing would have made this lens a truly perfect companion to the company’s stellar L lens lineup for the RF series.”

Ease of Use

“For those of us who drink too much coffee in the morning or that don’t know how to properly hold a camera, the image stabilization will greatly assist.”

Photographers will be happy to know that the Canon 35mm f1.8 USM IS RF is a very simple to use lens, but that it’s also very digital in its design. When I say this, I mean that there is no focusing distance scale on the lens. As a result, I can’t really recommend it for street photography as that is an essential part of its use. However, for anyone that wants to use it in full autofocus mode, go right ahead. Most of the time I used it as a fun lens on a camera that I always wanted to have around me. The small size of the Canon 35mm f1.8 USM IS RF lends itself to this scenario very favorably. So if anything, most photographers will be happy to just use it as a macro to shoot random hangouts with friends while others will enjoy using it for more serious things.

One of the best things about this lens is the image stabilization. For those of us who drink too much coffee in the morning or that don’t know how to properly hold a camera, the image stabilization will greatly assist. Where this is most needed though is with slower shutter speeds than 1/40th in low light situations. The closer you focus, the more that the shake can also be amplified. All of these make the image stabilization a very welcome addition.

Autofocus

During my tests with the Canon 35mm f1.8 USM IS RF on the Canon EOS RP, I was quite surprised at just how well the two worked together. While on a tour of the Penumbra facilities in NYC, I decided to approach the visit in a documentary fashion. For photojournalistic reasons and purposes, the Canon RF 35mm f1.8 USM IS did a great job. The focusing was always accurate, fast enough for documentary work, and reliable. In fact, it never missed its mark. To be a bit more clear about this, I was using specific spot focusing. Due to the performance, I can’t make a complaint about the Canon RF 35mm f1.8 USM IS’s autofocus in documentary shooting situations.

Where the autofocus started to fail me is with macro shooting–but that shouldn’t come as a surprise as everyone’s does this. The Canon RF 35mm f1.8 USM IS sometimes took extra long or couldn’t nail the focusing at very close ranges. As I suspect that no one will be using a lens like this for macro shooting that often or professionally, that shouldn’t be a huge problem. But if you’re using it for product photography the way that I’ve seen some journalists do, then you’ll not have major issues because your subject isn’t moving and if you’re smart you’re using adequate lighting. I totally understand that not every event offers the best lighting situations, but that’s when you ask a rep to bring a product somewhere else for a product image.

“…I can’t make a complaint about the Canon RF 35mm f1.8 USM IS’s autofocus in documentary shooting situations.”

Image Quality

While the Canon RF 35mm f1.8 USM IS isn’t quite L quality, I’m surely impressed by what it can deliver. This is a lens very much designed for an amateur and enthusiast so it is therefore not designed to render the best image quality. If you’re a higher end enthusiast or a professional you’ll need to reach for the company’s L lenses. Some of the best things about the image quality are the bokeh and like many other lenses out there, you’ll need to use a flash to get the most sharpness. However, as I say that, I went back into Capture one to really look at the sharpness and it’s impressive for a lens this affordable and for a system this new. While folks may hate on the new Canon RF system and I really can’t deny that it still could be more innovative, the lenses and the performance are more than good enough for most folks.

“If these aren’t sharp then I’m not sure what are. This lens is less than $500 on the market and with a flash can deliver sharp enough photos that are more than usable for any professional project.”

Bokeh

Arguably one of my favorite things about the Canon RF 35mm f1.8 USM IS is the bokeh. It’s smooth and creamy–this is all assisted by the fact that it can focus so darned close. Want that little bit of Korean BBQ or your Dumpling to really shine? Get close and let the background be blown out into a Monet painting. Photographers of all types will appreciate the bokeh of the Canon RF 35mm f1.8 USM IS. In fact, I barely ever wanted to stop it down but knew that I had to for the review. If I feel that way, I’m sure others won’t want to stop down either.

Chromatic Aberration

While the Canon RF 35mm f1.8 USM IS exhibits a bit of distortion, I don’t think that this is too awful. It can be worked with in post production and there wasn’t any major fringing that I was able to find that therefore threw off the images.

Color Rendition

While folks will go on and on about the colors that Canon can produce, I often lock my white balance to daylight or tungsten. The colors that the Canon RF 35mm f1.8 USM IS can render aren’t super saturated like a Zeiss or Sigma offering. But instead they’re only a bit more so. I like the colors and with some editing you can do even more with them. Straight out of the camera though and with the way that the Canon sensors work, I’d suggest overexposing your images just a tad. It isn’t as awful as the Canon 5D Mk II needed, but it needs more light. You’ll really see this with portraiture that you want to do with the Canon RF 35mm f1.8 USM IS.

Sharpness

Would you believe that the Canon EOS RP and the Canon RF 35mm f1.8 USM IS along with a Profoto B10 shot our Leica Q2 product images? If these aren’t sharp then I’m not sure what are. This lens is less than $500 on the market and with a flash can deliver sharp enough photos that are more than usable for any professional project. Combine all of this with whatever you want to do in post-production and you’ll get even better and sharper images. These photos were shot in-camera and are straight out of camera JPEGs. There was no RAW image editing done to them. For what it is, the Canon RF 35mm f1.8 USM IS is incredibly impressive.

Extra Image Samples

Conclusions

Likes

  • Small size
  • Image quality
  • Image stabilization
  • Really cheap price

Dislikes

  • I really wanted weather sealing

The Canon RF 35mm f1.8 USM IS is a lens that photographers will pick up if they’re looking for a good 35mm lens for the Canon system that has image stabilization. In addition to that the image quality is also very sharp for what it is. Then consider the bokeh and the fact that you can not only get this from a 35mm lens, but the f1.8 aperture lets you really blow your backgrounds out. I can’t really complain about the Canon RF 35mm f1.8 USM IS except, you know, I wish it was built better.

The Canon RF 35mm f1.8 USM IS receives four out of five stars; and for the cheap price on Amazon it should be a no brainer. It’s pretty affordable at $449 regularly.

autofocus Bokeh build quality Canon 35mm f1.8 USM IS RF Canon RF 35mm f1.8 USM IS color rendition documentary ease of use ergonomics image quality macro portraiture sharpness
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Chris Gampat

Chris Gampat is the Editor in Chief, Founder, and Publisher of the Phoblographer. He provides oversight to all of the daily tasks, including editorial, administrative, and advertising work. Chris's editorial work includes not only editing and scheduling articles but also writing them himself. He's the author of various product guides, educational pieces, product reviews, and interviews with photographers. He's fascinated by how photographers create, considering the fact that he's legally blind./ HIGHLIGHTS: Chris used to work in Men's lifestyle and tech. He's a veteran technology writer, editor, and reviewer with more than 15 years experience. He's also a Photographer that has had his share of bylines and viral projects like "Secret Order of the Slice." PAST BYLINES: Gear Patrol, PC Mag, Geek.com, Digital Photo Pro, Resource Magazine, Yahoo! News, Yahoo! Finance, IGN, PDN, and others. EXPERIENCE: Chris Gampat began working in tech and art journalism both in 2008. He started at PCMag, Magnum Photos, and Geek.com. He founded the Phoblographer in 2009 after working at places like PDN and Photography Bay. He left his day job as the Social Media Content Developer at B&H Photo in the early 2010s. Since then, he's evolved as a publisher using AI ethically, coming up with ethical ways to bring in affiliate income, and preaching the word of diversity in the photo industry. His background and work has spread to non-profits like American Photographic Arts where he's done work to get photographers various benefits. His skills are in SEO, app development, content planning, ethics management, photography, Wordpress, and other things. EDUCATION: Chris graduated Magna Cum Laude from Adelphi University with a degree in Communications in Journalism in 2009. Since then, he's learned and adapted to various things in the fields of social media, SEO, app development, e-commerce development, HTML, etc. FAVORITE SUBJECT TO PHOTOGRAPH: Chris enjoys creating conceptual work that makes people stare at his photos. But he doesn't get to do much of this because of the high demand of photography content. / BEST PHOTOGRAPHY TIP: Don't do it in post-production when you can do it in-camera.
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