Canon EF-S 17-55mm f/2.8 IS USM Lens
The Canon 17-55mm f/2.8 IS USM is a 17–55mm f/2.8 lens designed for Canon EF mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

Canon EF-S 17-55mm f/2.8 IS USM Lens
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Lens Overview — Canon 17-55mm f/2.8 IS USM
Key Features — Canon 17-55mm f/2.8 IS USM
Constant f/2.8 Aperture: Maintains f/2.8 throughout the entire 17-55mm zoom range, ensuring consistent exposure and depth of field control without adjustment as you zoom.
17-55mm Focal Range: Covers wide-angle to short telephoto on APS-C bodies, equivalent to approximately 27-88mm full-frame, making it suitable for everything from landscapes to portraits.
Optical Image Stabilization: Canon's IS system compensates for camera shake, allowing for sharper handheld shots at slower shutter speeds in low light or challenging conditions.
Ring-Type USM Autofocus: Ultrasonic motor delivers fast, near-silent autofocus with full-time manual focus override without switching out of AF mode.
APS-C Optimized Design: Built exclusively for Canon's crop-sensor DSLRs, with optics engineered to deliver edge-to-edge sharpness on the smaller image circle.
77mm Filter Thread: Matches a widely used filter diameter, making it easy to share filters with other lenses in a kit.
Lens Specifications — Canon 17-55mm f/2.8 IS USM
| Spec | Detail |
|---|---|
| Use Cases | Portrait, Landscape, Travel, Event, Wedding, Product |
| Lens Type | Zoom |
| Format | APS-C |
| Zoom/Prime | Zoom |
| Focal Length | 17–55mm |
| Maximum Aperture | f/2.8 |
| Camera System | DSLR |
| Lens Mount | Canon EF |
| Autofocus | Yes |
| Focus Type | Auto, Manual |
| Image Stabilization | Optical |
| Filter Thread | 77mm |
Description — Canon 17-55mm f/2.8 IS USM
The Canon EF-S 17-55mm f/2.8 IS USM is a standard zoom lens built for APS-C format Canon DSLR cameras. It covers a focal length range of 17mm to 55mm with a constant maximum aperture of f/2.8, making it a consistent performer across the zoom range for a variety of everyday shooting scenarios. Optical image stabilization is built in to help manage camera shake, and the lens supports both auto and manual focus modes for added versatility. The 77mm filter thread makes it easy to use with standard filter accessories, and the lens connects to compatible bodies via the Canon EF mount.
Weighing 645g, it is a solid but manageable addition to an APS-C DSLR kit. Whether you are photographing events, portraits, or general-purpose subjects, this lens offers a practical combination of focal length range and wide aperture for crop-sensor Canon shooters.
Pros — Canon 17-55mm f/2.8 IS USM
- ✓Constant f/2.8 maximum aperture across the full 17-55mm zoom range provides consistent exposure control
- ✓Optical image stabilization helps reduce the impact of camera shake during handheld shooting
- ✓Both auto and manual focus modes are supported, offering flexibility in the field
Cons — Canon 17-55mm f/2.8 IS USM
- ✗APS-C-only lens format (Canon EF-S via Canon EF mount) means it cannot be used on full-frame Canon bodies
- ✗At 645g, the lens adds meaningful weight to a camera kit, which may be a consideration for travel or all-day shooting
- ✗Limited to DSLR camera systems; not compatible with mirrorless bodies without an adapter
Videos — Canon 17-55mm f/2.8 IS USM
Canon EF-S 17-55mm f/2.8 IS Lens Re-review (with samples) — Christopher Frost
Frequently Asked Questions — Canon 17-55mm f/2.8 IS USM
Is this lens compatible with full-frame Canon DSLR bodies?+
No. The lens is designed specifically for APS-C format Canon DSLRs. While it mounts via the Canon EF mount, its optical design is optimized for APS-C sensors and it is not intended for full-frame use.
Does this lens support image stabilization?+
Yes. The lens includes optical image stabilization, which is designed to help compensate for camera shake during handheld shooting.
Can I use manual focus with this lens?+
Yes. The lens supports both auto and manual focus modes, so you can switch between the two depending on your shooting needs.
What filter size does this lens use?+
The lens has a 77mm filter thread, which is a standard size that works with a wide range of commonly available filters.
How heavy is this lens?+
The lens weighs 645g, which is a moderate weight for a constant f/2.8 standard zoom lens intended for APS-C DSLR systems.
What focal length range does this lens cover?+
The lens covers a focal length range of 17mm to 55mm, placing it in the standard zoom category for APS-C format cameras.









