Still, images are sharp and features including optical image stabilization and weather sealing are highly useful.

Turn them off and you get an idea of just how strong the adjustments applied are.

The lens does, however, balance well with full-frame bodies when shooting handheld.

Canon RF 15-35mm f/2.8L IS USM attached to a Canon EOS R1

(Image credit: James Abbott)

The lens is made up of 16 elements in 12 groups including three aspherical and two UD elements.

Plus, it has an 82mm fluorine-coated front element.

The lens control ring can be programmed to adjust certain prefs in-camera if you’d find this useful.

Canon RF 15-35mm f/2.8L IS…

The f/2.8 aperture is also useful for creative, differential focus, which is ideal for travel photographers.

Then there’s the fast and silent autofocus and the minimum focus distance of 11in / 28cm.

With a wide-angle lens, this can be fantastic for creative shots.

Canon RF15-35mm F2.8 L is USM…

Considering the price point and pro L-series status, I’m surprised just how heavy the lens corrections are.

Chromatic aberration is minimal but can sometimes be seen along high-contrast edges.

Should you buy the Canon RF 15-35mm F2.8L IS USM?

Prime

The various features and functions were tested, while shots were taken specifically to check for any optical distortions.

Canon RF 15-35mm f/2.8 L IS…

Adorama

Canon RF 15-35mm F2.8L IS USM at 15mm with the front of the lens extended

(Image credit: James Abbott)

Canon RF 15-35mm f/2.8L IS USM zoom ring close up

(Image credit: James Abbott)

Canon RF 15-35mm f/2.8L IS USM control switches

(Image credit: James Abbott)

Canon RF 15-35mm f/2.8L IS USM front element

(Image credit: James Abbott)

Canon RF 15-35mm f/2.8L IS USM on a wooden floor

Photo of a pier at night taken with a Canon RF 15-35mm f/2.8L IS USM and Canon EOS R1

(Image credit: James Abbott)

Photo of seating on a pier at night taken with a Canon RF 15-35mm f/2.8L IS USM and Canon EOS R1

(Image credit: James Abbott)

Photo of of an old coastal street taken with a Canon RF 15-35mm f/2.8L IS USM and Canon EOS R1

(Image credit: James Abbott)

Photo of cinema sign at night taken with a Canon RF 15-35mm f/2.8L IS USM and Canon EOS R1

(Image credit: James Abbott)

Photo of a beach taken with a Canon RF 15-35mm f/2.8L IS USM and Canon EOS R1

(Image credit: James Abbott)

Photo of sand dunes taken with a Canon RF 15-35mm f/2.8L IS USM and Canon EOS R1

(Image credit: James Abbott)