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
Viltrox
AF 13mm F1.4 XF
Fujifilm X Mount
AF 13mm F1.4 XF — 13mm f/1.4 for Fujifilm X, a popular choice in the viltrox lineup.
$429
Launch priceReleased Aug 2023
AF 13mm F1.4 XF is 2.5 years newer.
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Wins
FE 50mm F1.2 GM
Wins
AF 13mm F1.4 XF
1 categories tied
TL;DR — Key differences
- BAF 13mm F1.4 XF has lower Weight (370 g vs 778 g)
- BAF 13mm F1.4 XF has lower Min focus distance (20 cm vs 40 cm)
- AFE 50mm F1.2 GM has higher Max magnification (0.17 × vs 0.1 ×)
- BAF 13mm F1.4 XF has lower Length (74 mm vs 108 mm)
- BAF 13mm F1.4 XF has lower Diameter (74 mm vs 87 mm)
Key specs at a glance
Size and weight, to scale
FE 50mm F1.2 GM
⌀87 × 108 mm
778 g (1.72 lb / 27.44 oz)
Credit card
85.6 × 54 mm
for scale
AF 13mm F1.4 XF
⌀74 × 74 mm
370 g (0.82 lb / 13.05 oz)
FE 50mm F1.2 GM is 34mm longer and 13mm wider than AF 13mm F1.4 XF.
FE 50mm F1.2 GM is 408 g heavier than AF 13mm F1.4 XF.
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 FE 50mm F1.2 GM
- ✓
Special elements
Adds 3 XA (extreme aspherical)
- ✓
Control ring
Only FE 50mm F1.2 GM supports it
- ✓
Custom function button
Only FE 50mm F1.2 GM supports it
- ✓
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
- ✓
Max magnification
0.17 × vs 0.1 × — higher is better
Reasons to choose the AF 13mm F1.4 XF
- ✓
Special elements
Adds 2 Aspherical, 2 ED, 2 HR
- ✓
Weight
370 g vs 778 g — lower is better
- ✓
Min focus distance
20 cm vs 40 cm — lower is better
- ✓
Length
74 mm vs 108 mm — lower is better
- ✓
Diameter
74 mm vs 87 mm — lower is better
Shared specifications
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Pros & cons at a glance
Editorially curated highlights and trade-offs.
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
AF 13mm F1.4 XF
Pros
- ✓Bright f/1.4 aperture for low light and subject separation
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Lightweight design easy to carry all day
Cons
- –Third-party or older alternatives may offer better value
Decided which one is right for you?
Compare live prices for the FE 50mm F1.2 GM and AF 13mm F1.4 XF at major authorized retailers.
Sony FE 50mm F1.2 GM
Viltrox AF 13mm F1.4 XF
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.