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 135mm F1.8 LAB FE
Sony E Mount
AF 135mm F1.8 LAB FE — 135mm f/1.8 for Sony E, a popular choice in the viltrox lineup.
$999
Launch priceReleased Sep 2024
AF 135mm F1.8 LAB FE is 3.5 years newer.
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Wins
FE 50mm F1.2 GM
Wins
AF 135mm F1.8 LAB FE
1 categories tied
Which would you choose?
TL;DR — Key differences
- AFE 50mm F1.2 GM has lower Min focus distance (40 cm vs 72 cm)
- AFE 50mm F1.2 GM has lower Weight (778 g vs 1235 g)
- AFE 50mm F1.2 GM has lower Max aperture (Wide) (f/1.2 vs f/1.8)
- AFE 50mm F1.2 GM has lower Max aperture (Tele) (f/1.2 vs f/1.8)
- BAF 135mm F1.8 LAB FE has higher Max magnification (0.25 × vs 0.17 ×)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to shareFE 50mm F1.2 GM
⌀87 × 108 mm
778 g (1.72 lb / 27.44 oz)

Credit card
85.6 × 54 mm
for scale

AF 135mm F1.8 LAB FE
⌀93 × 146 mm
1235 g (2.72 lb / 43.56 oz)
FE 50mm F1.2 GM is 38mm shorter and 6mm narrower than AF 135mm F1.8 LAB FE.
FE 50mm F1.2 GM is 457 g lighter than AF 135mm F1.8 LAB 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 FE 50mm F1.2 GM
- ✓
Special elements
Adds 3 XA (extreme aspherical)
- ✓
Custom function button
Only FE 50mm F1.2 GM supports it
- ✓
Min focus distance
40 cm vs 72 cm — lower is better
- ✓
Weight
778 g vs 1235 g — lower is better
- ✓
Max aperture (Wide)
f/1.2 vs f/1.8 — lower is better
- ✓
Max aperture (Tele)
f/1.2 vs f/1.8 — lower is better
- ✓
Length
108 mm vs 145.7 mm — lower is better
- ✓
Diameter
87 mm vs 93 mm — lower is better
Reasons to choose the AF 135mm F1.8 LAB FE
- ✓
Special elements
Adds 2 Aspherical, 2 ED, 2 HR
- ✓
Max magnification
0.25 × vs 0.17 × — 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.
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 135mm F1.8 LAB FE
Pros
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Weather-sealed construction for outdoor shooting
- ✓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 FE 50mm F1.2 GM and AF 135mm F1.8 LAB FE at major authorized retailers.
Sony FE 50mm F1.2 GM
Viltrox AF 135mm F1.8 LAB FE
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.