Canon
RF 85mm F1.2L USM
Canon RF Mount
The definitive portrait prime for RF — f/1.2 aperture delivers unmatched subject separation and dreamy backgrounds.
$2,699
Launch priceReleased Feb 2019
Sony
FE 50mm F1.4 GM
Sony E Mount
FE 50mm F1.4 GM — 50mm f/1.4 for Sony E, a popular choice in the sony lineup.
$1,799
Launch priceReleased Feb 2023
FE 50mm F1.4 GM is 4 years newer.
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Wins
RF 85mm F1.2L USM
Wins
FE 50mm F1.4 GM
1 categories tied
Which would you choose?
TL;DR — Key differences
- BFE 50mm F1.4 GM has lower Weight (516 g vs 1195 g)
- BFE 50mm F1.4 GM has lower Min focus distance (41 cm vs 85 cm)
- BFE 50mm F1.4 GM has higher Max magnification (0.16 × vs 0.12 ×)
- BFE 50mm F1.4 GM has lower Diameter (80.6 mm vs 103 mm)
- BFE 50mm F1.4 GM has lower Length (96 mm vs 117 mm)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to shareRF 85mm F1.2L USM
⌀103 × 117 mm
1195 g (2.63 lb / 42.15 oz)
Credit card
85.6 × 54 mm
for scale
FE 50mm F1.4 GM
⌀81 × 96 mm
516 g (1.14 lb / 18.20 oz)
RF 85mm F1.2L USM is 21mm longer and 22mm wider than FE 50mm F1.4 GM.
RF 85mm F1.2L USM is 679 g heavier than FE 50mm F1.4 GM.
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 85mm 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 50mm F1.4 GM
- ✓
Special elements
Adds Aspherical, ED
- ✓
Weight
516 g vs 1195 g — lower is better
- ✓
Min focus distance
41 cm vs 85 cm — lower is better
- ✓
Custom function button
Only FE 50mm F1.4 GM supports it
- ✓
Diameter
80.6 mm vs 103 mm — lower is better
- ✓
Length
96 mm vs 117 mm — lower is better
- ✓
Max magnification
0.16 × vs 0.12 × — 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 85mm F1.2L USM
Pros
- ✓Class-leading portrait focal length with f/1.2 aperture
- ✓Exceptional subject isolation and bokeh quality
- ✓Excellent eye-AF tracking on Canon R bodies
- ✓Premium L-series weather sealing
Cons
- –Very heavy (1195g) — tiring for handheld sessions
- –Expensive flagship pricing
- –No built-in stabilization
FE 50mm F1.4 GM
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 85mm F1.2L USM and FE 50mm F1.4 GM at major authorized retailers.
Canon RF 85mm F1.2L USM
Sony FE 50mm F1.4 GM
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.