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
Sony
FE 35mm F1.4 GM II
Sony E Mount
524g GM wide-angle with XD Linear AF — 20% lighter than the original 35mm F1.4 GM.
$1,599
Launch priceReleased Apr 2024
FE 35mm F1.4 GM II is 5.3 years newer.
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Wins
RF 50mm F1.2L USM
Wins
FE 35mm F1.4 GM II
1 categories tied
TL;DR — Key differences
- BFE 35mm F1.4 GM II has lower Weight (524 g vs 950 g)
- BFE 35mm F1.4 GM II has lower Min focus distance (27 cm vs 40 cm)
- BFE 35mm F1.4 GM II has lower Length (76 mm vs 108 mm)
- BFE 35mm F1.4 GM II has higher Max magnification (0.23 × vs 0.19 ×)
- BFE 35mm F1.4 GM II has lower Diameter (76 mm vs 89 mm)
Key specs at a glance
Size and weight, to scale
RF 50mm F1.2L USM
⌀89 × 108 mm
950 g (2.09 lb / 33.51 oz)
Credit card
85.6 × 54 mm
for scale
FE 35mm F1.4 GM II
⌀76 × 76 mm
524 g (1.16 lb / 18.48 oz)
RF 50mm F1.2L USM is 32mm longer and 13mm wider than FE 35mm F1.4 GM II.
RF 50mm F1.2L USM is 426 g heavier than FE 35mm F1.4 GM II.
Diameter (⌀) is the maximum barrel width; length is measured from the mount to the front of the lens.
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 50mm F1.2L USM
- ✓
Special elements
Adds 1 UD, 1 Aspherical
- ✓
Max aperture (Wide)
f/1.2 vs f/1.4 — lower is better
- ✓
Max aperture (Tele)
f/1.2 vs f/1.4 — lower is better
Reasons to choose the FE 35mm F1.4 GM II
- ✓
Special elements
Adds 1 XA, 2 Aspherical, 1 ED
- ✓
Custom function button
Only FE 35mm F1.4 GM II supports it
- ✓
Weight
524 g vs 950 g — lower is better
- ✓
Min focus distance
27 cm vs 40 cm — lower is better
- ✓
Length
76 mm vs 108 mm — lower is better
- ✓
Diameter
76 mm vs 89 mm — lower is better
- ✓
Max magnification
0.23 × vs 0.19 × — higher 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 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
FE 35mm F1.4 GM II
Pros
- ✓Bright f/1.4 aperture for low light and subject separation
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Weather-sealed construction for outdoor shooting
Cons
- –Third-party or older alternatives may offer better value
Decided which one is right for you?
Compare live prices for the RF 50mm F1.2L USM and FE 35mm F1.4 GM II at major authorized retailers.
Canon RF 50mm F1.2L USM
Sony FE 35mm F1.4 GM II
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.