Canon
RF 35mm F1.2 L USM
Canon RF Mount
RF 35mm F1.2 L USM — 35mm f/1.2 for Canon RF, a popular choice in the canon lineup.
$2,999
Launch priceReleased Dec 2018
Canon
RF 50mm F1.2L USM
Canon RF Mount
Flagship RF 50mm f/1.2 L prime with Ring USM, 15-element design, and weather-sealed L-series build.
$2,299
Launch priceReleased Dec 2018
Released within a month of each other.
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Wins
RF 35mm F1.2 L USM
Wins
RF 50mm F1.2L USM
4 categories tied
Which would you choose?
TL;DR — Key differences
- BRF 50mm F1.2L USM has lower Min focus distance (40 cm vs 50 cm)
- BRF 50mm F1.2L USM has higher Max magnification (0.19 × vs 0.17 ×)
- BRF 50mm F1.2L USM has lower Length (108 mm vs 111.5 mm)
- ARF 35mm F1.2 L USM has lower Diameter (89 mm vs 89.8 mm)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to shareRF 35mm F1.2 L USM
⌀89 × 112 mm
950 g (2.09 lb / 33.51 oz)
Credit card
85.6 × 54 mm
for scale
RF 50mm F1.2L USM
⌀90 × 108 mm
950 g (2.09 lb / 33.51 oz)
RF 35mm F1.2 L USM is 4mm longer and 1mm narrower than RF 50mm F1.2L USM.
RF 35mm F1.2 L USM and RF 50mm F1.2L USM weigh the same.
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 35mm F1.2 L USM
- ✓
Special elements
Adds 3 Aspherical
- ✓
Custom function button
Only RF 35mm F1.2 L USM supports it
- ✓
Diameter
89 mm vs 89.8 mm — lower is better
Reasons to choose the RF 50mm F1.2L USM
- ✓
Special elements
Adds 1 Aspherical
- ✓
Min focus distance
40 cm vs 50 cm — lower is better
- ✓
Length
108 mm vs 111.5 mm — lower is better
- ✓
Max magnification
0.19 × vs 0.17 × — higher is better
Shared specifications
Max aperture (Wide)
Both f/1.2
Max aperture (Tele)
Both f/1.2
Internal focus
Both support internal focus
Weight
Both 950 g
Weather sealing
Both support weather sealing
Control ring
Both support control ring
Pros & cons at a glance
Editorially curated highlights and trade-offs.
RF 35mm F1.2 L USM
Pros
- ✓Bright f/1.2 aperture for low light and subject separation
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Weather-sealed construction for outdoor shooting
Cons
- –Premium price point
- –Relatively heavy for extended handheld use
RF 50mm F1.2L USM
Pros
- ✓Stunning sharpness even wide open at f/1.2
- ✓Beautiful, smooth bokeh with 10 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 35mm F1.2 L USM and RF 50mm F1.2L USM at major authorized retailers.
Canon RF 35mm F1.2 L 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 June 2026.