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
Sony
FE 50mm F1.2 GM
Sony E Mount
Exquisite resolution and dreamy bokeh combine in a masterful f/1.2 prime.
$1,999
Launch priceReleased Mar 2021
FE 50mm F1.2 GM is 2.4 years newer.
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Wins
RF 24-105mm F4L IS USM
Wins
FE 50mm F1.2 GM
TL;DR — Key differences
- ARF 24-105mm F4L IS USM has higher OIS effectiveness (5 stops vs 0 stops)
- BFE 50mm F1.2 GM has lower Max aperture (Wide) (f/1.2 vs f/4)
- BFE 50mm F1.2 GM has lower Max aperture (Tele) (f/1.2 vs f/4)
- ARF 24-105mm F4L IS USM has higher Max magnification (0.24 × vs 0.17 ×)
- BFE 50mm F1.2 GM has lower Min focus distance (40 cm vs 45 cm)
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
- ✓
Special elements
Adds 1 UD, 1 Aspherical
- ✓
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 778 g — lower is better
- ✓
Max magnification
0.24 × vs 0.17 × — higher is better
- ✓
Diameter
84 mm vs 87 mm — lower is better
- ✓
Length
107 mm vs 108 mm — lower is better
Reasons to choose the FE 50mm F1.2 GM
- ✓
Special elements
Adds 3 XA (extreme aspherical)
- ✓
Max aperture (Wide)
f/1.2 vs f/4 — lower is better
- ✓
Max aperture (Tele)
f/1.2 vs f/4 — lower is better
- ✓
Custom function button
Only FE 50mm F1.2 GM supports it
- ✓
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
FE 50mm F1.2 GM
Pros
- ✓Outstanding sharpness wide open at f/1.2
- ✓Stunningly smooth, circular bokeh with 11 aperture blades
- ✓Extremely quiet and fast autofocus tracking
- ✓Manageable size and weight for an f/1.2 lens
Cons
- –Expensive investment for a single focal length
- –Heavy compared to standard f/1.8 options
- –Some visible vignetting wide open
Decided which one is right for you?
Compare live prices for the RF 24-105mm F4L IS USM and FE 50mm F1.2 GM at major authorized retailers.
Canon RF 24-105mm F4L IS USM
Sony FE 50mm F1.2 GM
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.