Canon
RF 100-500mm F4.5-7.1L IS USM
Canon RF Mount
Canon's versatile super-telephoto zoom reaching 500mm — ideal for wildlife, sports, and safari without changing lenses.
$2,699
Launch priceReleased Jul 2020
Sony
FE 24-70mm F2.8 GM II
Sony E Mount
The ultimate standard zoom — incredibly sharp, exceptionally compact, and built for professionals.
$2,299
Launch priceReleased Apr 2022
FE 24-70mm F2.8 GM II is 1.8 years newer.
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Wins
RF 100-500mm F4.5-7.1L IS USM
Wins
FE 24-70mm F2.8 GM II
TL;DR — Key differences
- ARF 100-500mm F4.5-7.1L IS USM has higher OIS effectiveness (5.5 stops vs 0 stops)
- BFE 24-70mm F2.8 GM II has lower Min focus distance (21 cm vs 90 cm)
- BFE 24-70mm F2.8 GM II has lower Max aperture (Tele) (f/2.8 vs f/7.1)
- BFE 24-70mm F2.8 GM II has lower Weight (695 g vs 1370 g)
- BFE 24-70mm F2.8 GM II has lower Length (120 mm vs 208 mm)
Key specs at a glance
Use-case scoring
Which one for what?
Algorithmic scores from verified specs · 10 = best in class
Why pick one over the other
Reasons to choose the RF 100-500mm F4.5-7.1L IS USM
- ✓
OIS effectiveness
5.5 stops vs 0 stops — higher is better
- ✓
Special elements
Adds 1 Super UD, 3 UD
- ✓
Optical stabilization
Only RF 100-500mm F4.5-7.1L IS USM supports it
- ✓
Max magnification
0.33 × vs 0.32 × — higher is better
Reasons to choose the FE 24-70mm F2.8 GM II
- ✓
Min focus distance
21 cm vs 90 cm — lower is better
- ✓
Special elements
Adds 2 XA (extreme aspherical), 2 ED, 2 Super ED
- ✓
Max aperture (Tele)
f/2.8 vs f/7.1 — lower is better
- ✓
Custom function button
Only FE 24-70mm F2.8 GM II supports it
- ✓
Weight
695 g vs 1370 g — lower is better
- ✓
Length
120 mm vs 208 mm — lower is better
- ✓
Max aperture (Wide)
f/2.8 vs f/4.5 — lower is better
- ✓
Diameter
88 mm vs 93 mm — lower is better
Shared specifications
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Control ring
Both support control ring
Pros & cons at a glance
Editorially curated highlights and trade-offs.
RF 100-500mm F4.5-7.1L IS USM
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
FE 24-70mm F2.8 GM II
Pros
- ✓Outstanding sharpness across the entire zoom range
- ✓Remarkably small and lightweight for an f/2.8 zoom
- ✓Four XD Linear focus motors provide blazing-fast AF tracking
- ✓Excellent close-up magnification
- ✓De-clickable aperture ring and customized function buttons
Cons
- –No built-in optical image stabilization (relies on body IBIS)
- –High launch price
- –Aperture ring can be easily bumped if not locked
Decided which one is right for you?
Compare live prices for the RF 100-500mm F4.5-7.1L IS USM and FE 24-70mm F2.8 GM II at major authorized retailers.
Canon RF 100-500mm F4.5-7.1L IS USM
Sony FE 24-70mm F2.8 GM II
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.