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
Viltrox
AF 27mm F1.2 Pro FE
Sony E Mount
AF 27mm F1.2 Pro FE — 27mm f/1.2 for Sony E, a popular choice in the viltrox lineup.
$799
Launch priceReleased Oct 2023
AF 27mm F1.2 Pro FE is 2 months newer.
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Wins
AF 13mm F1.4 XF
Wins
AF 27mm F1.2 Pro FE
2 categories tied
TL;DR — Key differences
- AAF 13mm F1.4 XF has lower Weight (370 g vs 595 g)
- AAF 13mm F1.4 XF has lower Min focus distance (20 cm vs 28 cm)
- AAF 13mm F1.4 XF has lower Length (74 mm vs 88 mm)
- BAF 27mm F1.2 Pro FE has lower Max aperture (Wide) (f/1.2 vs f/1.4)
- BAF 27mm F1.2 Pro FE has lower Max aperture (Tele) (f/1.2 vs f/1.4)
Key specs at a glance
Size and weight, to scale
AF 13mm F1.4 XF
⌀74 × 74 mm
370 g (0.82 lb / 13.05 oz)
Credit card
85.6 × 54 mm
for scale
AF 27mm F1.2 Pro FE
⌀76 × 88 mm
595 g (1.31 lb / 20.99 oz)
AF 13mm F1.4 XF is 14mm shorter and 2mm narrower than AF 27mm F1.2 Pro FE.
AF 13mm F1.4 XF is 225 g lighter than AF 27mm F1.2 Pro FE.
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 AF 13mm F1.4 XF
- ✓
Special elements
Adds 2 Aspherical, 2 ED, 2 HR
- ✓
Weight
370 g vs 595 g — lower is better
- ✓
Min focus distance
20 cm vs 28 cm — lower is better
- ✓
Length
74 mm vs 88 mm — lower is better
- ✓
Diameter
74 mm vs 76 mm — lower is better
Reasons to choose the AF 27mm F1.2 Pro FE
- ✓
Special elements
Adds 1 Aspherical, 3 ED, 3 HR
- ✓
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
Shared specifications
Max magnification
Both 0.1 ×
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Pros & cons at a glance
Editorially curated highlights and trade-offs.
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
AF 27mm F1.2 Pro FE
Pros
- ✓Bright f/1.2 aperture for low light and subject separation
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Native Sony E mount compatibility
Cons
- –Third-party or older alternatives may offer better value
Decided which one is right for you?
Compare live prices for the AF 13mm F1.4 XF and AF 27mm F1.2 Pro FE at major authorized retailers.
Viltrox AF 13mm F1.4 XF
Viltrox AF 27mm F1.2 Pro FE
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.