Canon
RF 100-500mm F4.5-7.1L IS USM
Canon RF · Zoom · FULL FRAME
Canon's versatile super-telephoto zoom reaching 500mm — ideal for wildlife, sports, and safari without changing lenses.
$2,699
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Last updated May 2026
Key specs at a glance
Focal Length
100-500 mm
Max Aperture
f/4.5-7.1
Mount
Canon RF
Coverage
Full Frame
Stabilization
5.5 stops
Weight
1370 g
Min Focus
90 cm
Filter Size
77 mm
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Overview
The Canon RF 100-500mm F4.5-7.1L IS USM is a versatile super-telephoto zoom built for the full-frame RF mount. It is specifically designed for wildlife and sports enthusiasts who need a weather-sealed build to withstand outdoor conditions. Weighing 1370g and measuring 208mm in length, it balances significant reach with a form factor manageable for handheld use during long sessions.
The lens delivers high performance through its Dual Nano USM focus motor and internal focus system, ensuring rapid subject acquisition. Its optical design consists of 20 elements in 14 groups, incorporating one Super UD, three UD, and three aspherical elements to manage aberrations across the 100-500mm focal range. Users benefit from 5.5 stops of optical image stabilization and a minimum focus distance of 90cm, which allows for a 0.33x maximum magnification. Additionally, the inclusion of a dedicated control ring provides immediate access to camera settings.
However, the variable aperture is a notable limitation, as it closes to f/7.1 at the maximum 500mm focal length, which may challenge shooters in dim lighting. While it features a 9-blade aperture and a 77mm filter thread, the specifications confirm it lacks custom function buttons. For those prioritizing a faster constant aperture or a more compact footprint than this 93mm diameter barrel, the f/7.1 telephoto limit and 1370g weight are critical factors to consider before purchase.
Best for
Use-case scores
Scored algorithmically from verified specs. 10 = best in class.
Portrait
Fair- · Covers the classic 85-135mm portrait focal length range
- · 9-blade rounded diaphragm creates creamy out-of-focus highlights
Sports & Action
Good- · Long telephoto reach (500mm) captures distant sports action
- · Equipped with high-speed silent AF motor for fast action tracking
Video & Hybrid
Good- · Optical image stabilization is vital for steady handheld panning
- · OIS is highly effective offering up to 5.5 stops of stability
Landscape
Fair- · Weather-sealed body protects against dust and rain in the field
Travel
Fair- · Massive 5x zoom range covers wide to telephoto in one lens
- · Weather-sealed body is prepared for varied travel climates
Wildlife
Excellent- · Super-telephoto focal length (500mm) brings tiny/distant subjects close
- · Optical image stabilization is crucial to keep telephoto shots steady
Macro & Close-up
Limited- · Moderate close-up capabilities with 0.33x magnification
- · OIS stabilizes macro shooting, compensating for high-magnification handshake
Pros
- ✓ Incredible 100-500mm reach in a single lens
- ✓ 5.5-stop optical image stabilization
- ✓ Compatible with RF 1.4x and 2x extenders
- ✓ Relatively compact for a 500mm-capable zoom
Cons
- – Variable f/4.5-7.1 aperture gets slow at tele end
- – Heavy at full extension (1370g)
- – Expensive for a variable-aperture zoom
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Full specifications
Verified specs · Canon RF 100-500mm F4.5-7.1L IS USM
Optical Design
Focus System
Image Stabilization
Physical Specs
Compatibility
Features
Frequently asked
What is the focal range and maximum aperture of this lens?+
The lens provides a 100-500mm focal range with a variable maximum aperture of f/4.5 at the wide end and f/7.1 at full telephoto.
How effective is the autofocus system for close-up subjects?+
The lens utilizes a Dual Nano USM motor and internal focusing to achieve a minimum focus distance of 90cm and a 0.33x maximum magnification.
Is this lens suitable for professional wildlife or sports photography?+
Yes, its 500mm reach, weather-sealed construction, and 9-blade aperture make it a capable tool for outdoor action and wildlife.
What are the physical dimensions and weight of the lens?+
The lens weighs 1370g and has a physical footprint of 93mm in diameter and 208mm in length.
Does the lens include image stabilization and a customizable interface?+
It features optical image stabilization rated at 5.5 stops and includes a built-in control ring for tactile setting adjustments.