Canon Canon RF Wide Zoom

RF 16-28mm F2.8 IS STM

16-28mm
f/2.8
Wide Zoom
Stabilized
445 g
Min focus 0.2 m

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Quick answer

The Canon RF 16-28mm F2.8 IS STM is a ultra-wide to wide-angle wide zoom lens covering 16-28mm at f/2.8 for the Canon RF mount. Its bright maximum aperture handles indoor and evening light reasonably well.

About this lens

This 16-28mm f/2.8 fast wide-angle zoom lens from Canon fits Canon RF mount cameras, with Image Stabilizer and stepping-motor autofocus. It covers wide angles for landscapes, interiors and architecture.

Canon RF 16-28mm F2.8 IS STM specifications

Brand: Canon
Mount: Canon RF
Focal length: 16-28mm
Maximum aperture: f/2.8
Lens type: Wide Zoom
Format coverage: full-frame
Released: 2025
Optical construction: 16 elements in 13 groups
Aperture blades: 9
Image stabilization: Yes
Autofocus motor: STM
Minimum focus distance: 0.2 m
Maximum magnification: 0.26x
Filter thread: 67 mm
Weight: 445 g
Length: 91 mm
Diameter: 76.5 mm

Specification source: global.canon

What can you shoot with the Canon RF 16-28mm F2.8 IS STM?

At 16-28mm this is a ultra-wide to wide-angle wide zoom, which typically suits:

Landscapes and big skies
Architecture and interiors
Astrophotography and night skies
Landscapes and cityscapes
Street and travel photography

Its bright maximum aperture handles indoor and evening light reasonably well.

Full-frame equivalent and field of view

Calculated from the focal length and crop factor. Not measured.

Sensor	Crop	Equivalent	Horizontal FOV	Diagonal FOV
Full frame	1.0x	16–28mm	65.5–96.7°	75.4–107°
APS-C	1.6x	26–45mm	43.8–70.2°	51.6–80.4°

Try the field-of-view calculator

Frequently asked questions

What mount does the Canon RF 16-28mm F2.8 IS STM use?

It uses the Canon RF mount, so it fits Canon RF cameras directly.

What is the focal length of the Canon RF 16-28mm F2.8 IS STM?

It zooms across 16-28mm with a maximum aperture of f/2.8. That makes it a ultra-wide to wide-angle lens.

Is the Canon RF 16-28mm F2.8 IS STM a prime or a zoom lens?

It is a zoom lens covering 16-28mm, so you can reframe without moving. Its maximum aperture is f/2.8.

What is the Canon RF 16-28mm F2.8 IS STM equivalent on a crop sensor?

On APS-C (1.6x crop) it frames like 26–45mm on full frame, with a 43.8–70.2° horizontal and 51.6–80.4° diagonal field of view. These figures are calculated from the focal length and crop factor.