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
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 6 months newer.
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Wins
FE 50mm F1.4 GM
Wins
AF 13mm F1.4 XF
3 categories tied
Which would you choose?
TL;DR — Key differences
- BAF 13mm F1.4 XF has lower Min focus distance (20 cm vs 41 cm)
- AFE 50mm F1.4 GM has higher Max magnification (0.16 × vs 0.1 ×)
- BAF 13mm F1.4 XF has lower Weight (370 g vs 516 g)
- BAF 13mm F1.4 XF has lower Length (74 mm vs 96 mm)
- BAF 13mm F1.4 XF has lower Diameter (74 mm vs 80.6 mm)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to share
FE 50mm F1.4 GM
⌀81 × 96 mm
516 g (1.14 lb / 18.20 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 F1.4 GM is 22mm longer and 7mm wider than AF 13mm F1.4 XF.
FE 50mm F1.4 GM is 146 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 F1.4 GM
- ✓
Special elements
Adds Aspherical, ED
- ✓
Control ring
Only FE 50mm F1.4 GM supports it
- ✓
Custom function button
Only FE 50mm F1.4 GM supports it
- ✓
Max magnification
0.16 × vs 0.1 × — higher is better
Reasons to choose the AF 13mm F1.4 XF
- ✓
Special elements
Adds 2 Aspherical, 2 ED, 2 HR
- ✓
Min focus distance
20 cm vs 41 cm — lower is better
- ✓
Weight
370 g vs 516 g — lower is better
- ✓
Length
74 mm vs 96 mm — lower is better
- ✓
Diameter
74 mm vs 80.6 mm — lower is better
Shared specifications
Max aperture (Wide)
Both f/1.4
Max aperture (Tele)
Both f/1.4
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 F1.4 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
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 F1.4 GM and AF 13mm F1.4 XF at major authorized retailers.
Sony FE 50mm F1.4 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 July 2026.