Canon
RF 16-35mm F2.8L IS USM
Canon RF Mount
Canon's professional ultra-wide zoom with constant f/2.8 and 5-stop IS for landscapes, architecture, and events.
$2,299
Launch priceReleased Nov 2019
Canon
RF 24-105mm F4L IS USM
Canon RF Mount
The ultimate walk-around RF zoom — covers wide to portrait with 5-stop IS in a single versatile package.
$1,099
Launch priceReleased Oct 2018
RF 16-35mm F2.8L IS USM is 1 year newer.
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Wins
RF 16-35mm F2.8L IS USM
Wins
RF 24-105mm F4L IS USM
1 categories tied
TL;DR — Key differences
- ARF 16-35mm F2.8L IS USM has lower Min focus distance (28 cm vs 45 cm)
- ARF 16-35mm F2.8L IS USM has lower Max aperture (Wide) (f/2.8 vs f/4)
- ARF 16-35mm F2.8L IS USM has lower Max aperture (Tele) (f/2.8 vs f/4)
- BRF 24-105mm F4L IS USM has lower Weight (700 g vs 840 g)
- BRF 24-105mm F4L IS USM has lower Length (107 mm vs 128 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 16-35mm F2.8L IS USM
- ✓
Special elements
Adds 3 Aspherical, 2 UD
- ✓
Min focus distance
28 cm vs 45 cm — lower is better
- ✓
Max aperture (Wide)
f/2.8 vs f/4 — lower is better
- ✓
Max aperture (Tele)
f/2.8 vs f/4 — lower is better
Reasons to choose the RF 24-105mm F4L IS USM
- ✓
Special elements
Adds 1 UD, 1 Aspherical
- ✓
Weight
700 g vs 840 g — lower is better
- ✓
Length
107 mm vs 128 mm — lower is better
- ✓
Diameter
84 mm vs 89 mm — lower is better
- ✓
Max magnification
0.24 × vs 0.21 × — higher is better
Shared specifications
Internal focus
Both support internal focus
Optical stabilization
Both support optical stabilization
OIS effectiveness
Both 5 stops
Weather sealing
Both support weather sealing
Control ring
Both support control ring
Pros & cons at a glance
Editorially curated highlights and trade-offs.
RF 16-35mm F2.8L IS USM
Pros
- ✓Ultra-wide 16mm perspective for dramatic landscapes
- ✓Constant f/2.8 aperture across entire range
- ✓5-stop optical image stabilization
- ✓Excellent weather sealing for outdoor work
Cons
- –Bulky and heavy (840g)
- –Some barrel distortion at 16mm
- –Premium L-series pricing
RF 24-105mm F4L IS USM
Pros
- ✓Extremely versatile 24-105mm range for travel and events
- ✓5-stop optical image stabilization
- ✓Constant f/4 aperture throughout zoom
- ✓Nano USM delivers fast, quiet autofocus
Cons
- –f/4 maximum aperture limits low-light capability
- –Heavier than f/2.8 alternatives (700g)
- –Corner sharpness softens at 105mm wide open
Decided which one is right for you?
Compare live prices for the RF 16-35mm F2.8L IS USM and RF 24-105mm F4L IS USM at major authorized retailers.
Canon RF 16-35mm F2.8L IS USM
Canon RF 24-105mm F4L IS USM
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.