Canon 100-500mm f/4.5-7.1 L IS USM Lens
The Canon RF 100-500mm f/4.5-7.1 L IS USM is a 100–500mm f/4.5 lens designed for Canon RF mount cameras. Used copies start from $2,539.8 on GearFocus, with buyer protection on every purchase.
Canon 100-500mm f/4.5-7.1 L IS USM Lens
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Lens Overview — Canon RF 100-500mm f/4.5-7.1 L IS USM
Key Features — Canon RF 100-500mm f/4.5-7.1 L IS USM
100-500mm Zoom Range: Covers a broad telephoto range in a single lens, making it practical for wildlife, sports, aviation, and nature photography without swapping optics.
f/4.5-7.1 Variable Aperture: Maximum aperture shifts from f/4.5 at 100mm to f/7.1 at 500mm, which is worth accounting for in exposure settings when shooting at longer focal lengths.
Optical Image Stabilization: Built-in IS system helps counteract camera shake across the full zoom range, supporting sharper handheld results at long focal lengths.
Native Canon RF Mount: Designed specifically for Canon's mirrorless ecosystem, enabling full electronic communication and compatibility with RF-mount camera bodies without an adapter.
Dual AF/MF Operation: Supports both autofocus and manual focus control, giving photographers flexibility to switch between fast subject tracking and deliberate manual adjustments.
Ring-Type USM Autofocus: Ultrasonic motor delivers fast, quiet autofocus well-suited to moving subjects in wildlife and sports scenarios.
Lens Specifications — Canon RF 100-500mm f/4.5-7.1 L IS USM
| Spec | Detail |
|---|---|
| Use Cases | Wildlife, Sports, Birding, Adventure, Travel |
| Lens Type | Zoom |
| Format | Full Frame |
| Zoom/Prime | Zoom |
| Focal Length | 100–500mm |
| Maximum Aperture | f/4.5 |
| Camera System | Mirrorless |
| Lens Mount | Canon RF |
| Autofocus | Yes |
| Focus Type | Auto, Manual |
| Image Stabilization | Optical |
| Filter Thread | 77mm |
Description — Canon RF 100-500mm f/4.5-7.1 L IS USM
The Canon 100-500mm f/4.5-7.1 L IS USM is a full-frame telephoto zoom lens built natively for the Canon RF mirrorless mount. Its focal length range spans 100mm to 500mm, covering everything from moderate telephoto compression to serious long-reach shooting. The variable maximum aperture of f/4.5 at 100mm and f/7.1 at 500mm is central to understanding its exposure characteristics at different zoom positions. Optical image stabilization is integrated into the optical design to help manage camera shake, particularly relevant at the longer end of the zoom range.
The 77mm filter thread keeps filter compatibility practical and affordable, aligning with a broadly available filter size. Weighing 1370g, the lens is a substantial piece of kit that rewards a considered approach to support and carrying. Autofocus and manual focus are both supported, providing operational flexibility.
As a Zoom type lens with a Full Frame format, it is designed to pair with Canon's RF mirrorless ecosystem without compromise.
Pros — Canon RF 100-500mm f/4.5-7.1 L IS USM
- ✓Wide telephoto zoom range from 100mm to 500mm suits a broad range of distant-subject photography
- ✓Optical image stabilization helps reduce camera shake throughout the zoom range
- ✓Native Canon RF mount ensures full integration with Canon mirrorless camera bodies
Cons — Canon RF 100-500mm f/4.5-7.1 L IS USM
- ✗Variable maximum aperture of f/4.5-7.1 means light-gathering ability decreases significantly at longer focal lengths
- ✗At 1370g, the lens demands a capable support system or confident handheld technique over extended sessions
- ✗Exclusively Canon RF mount — not directly compatible with EF or EF-S camera bodies without an adapter
Videos — Canon RF 100-500mm f/4.5-7.1 L IS USM
CANON RF 100-500mm REVIEW: The PERFECT MEGA ZOOM for EOS R5 R6...for a PRICE!!! — Jared Polin
Frequently Asked Questions — Canon RF 100-500mm f/4.5-7.1 L IS USM
Which cameras is this lens compatible with?+
This lens is designed for the Canon RF mount and is intended for Canon mirrorless cameras. It covers the full-frame format, making it well-suited for full-frame RF-mount bodies. Use with EF or EF-S mount cameras would require a separate mount adapter.
Does this lens have image stabilization?+
Yes, the lens includes optical image stabilization. This helps compensate for camera shake when shooting handheld, which is particularly useful at longer focal lengths approaching 500mm.
What filter size does this lens use?+
The lens has a 77mm filter thread, which is a common size shared with many other telephoto and standard zoom lenses. This makes it easy to use existing 77mm filters without purchasing new ones.
How heavy is this lens, and is it practical to handhold?+
The lens weighs 1370g. Whether handheld shooting is practical will depend on the individual photographer's strength and the duration of shooting, but the built-in optical image stabilization does assist with handheld use.
What is the maximum aperture at 500mm?+
At the maximum focal length of 500mm, the maximum aperture is f/7.1. At the wide end of 100mm, the maximum aperture is f/4.5. This variable aperture range is important to consider when planning exposure settings across the zoom range.
Does this lens support autofocus?+
Yes, the lens supports autofocus as well as manual focus. Both focus modes are available, allowing photographers to switch depending on their shooting requirements.