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
Canon
RF 50mm F1.2L USM
Canon RF Mount
Canon's flagship 50mm f/1.2 prime — extraordinary resolution and creamy bokeh for portraits and low light.
$2,299
Launch priceReleased Dec 2018
RF 50mm F1.2L USM is 2 months newer.
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Wins
RF 24-105mm F4L IS USM
Wins
RF 50mm F1.2L USM
TL;DR — Key differences
- ARF 24-105mm F4L IS USM has higher OIS effectiveness (5 stops vs 0 stops)
- BRF 50mm F1.2L USM has lower Max aperture (Wide) (f/1.2 vs f/4)
- BRF 50mm F1.2L USM has lower Max aperture (Tele) (f/1.2 vs f/4)
- ARF 24-105mm F4L IS USM has lower Weight (700 g vs 950 g)
- ARF 24-105mm F4L IS USM has higher Max magnification (0.24 × vs 0.19 ×)
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 24-105mm F4L IS USM
- ✓
OIS effectiveness
5 stops vs 0 stops — higher is better
- ✓
Optical stabilization
Only RF 24-105mm F4L IS USM supports it
- ✓
Weight
700 g vs 950 g — lower is better
- ✓
Diameter
84 mm vs 89 mm — lower is better
- ✓
Max magnification
0.24 × vs 0.19 × — higher is better
- ✓
Length
107 mm vs 108 mm — lower is better
Reasons to choose the RF 50mm F1.2L USM
- ✓
Max aperture (Wide)
f/1.2 vs f/4 — lower is better
- ✓
Max aperture (Tele)
f/1.2 vs f/4 — lower is better
- ✓
Min focus distance
40 cm vs 45 cm — 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 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
RF 50mm F1.2L USM
Pros
- ✓Stunning sharpness even wide open at f/1.2
- ✓Beautiful, smooth bokeh with 9 rounded aperture blades
- ✓Fast and accurate Dual Pixel AF with Ring USM
- ✓Weather-sealed L-series construction
Cons
- –Heavy for a 50mm prime (950g)
- –Premium price for a single focal length
- –No optical image stabilization
Decided which one is right for you?
Compare live prices for the RF 24-105mm F4L IS USM and RF 50mm F1.2L USM at major authorized retailers.
Canon RF 24-105mm F4L IS USM
Canon RF 50mm F1.2L USM
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.