
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
Sony
FE 85mm F1.8
Sony E Mount
FE 85mm F1.8 — 85mm f/1.8 for Sony E, a popular choice in the sony lineup.
$599
Launch priceReleased Feb 2017
FE 50mm F1.4 GM is 6 years newer.
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Wins
FE 50mm F1.4 GM
Wins
FE 85mm F1.8
1 categories tied
Which would you choose?
TL;DR — Key differences
- BFE 85mm F1.8 has lower Weight (371 g vs 516 g)
- BFE 85mm F1.8 has lower Min focus distance (30 cm vs 41 cm)
- AFE 50mm F1.4 GM has lower Max aperture (Wide) (f/1.4 vs f/1.8)
- AFE 50mm F1.4 GM has lower Max aperture (Tele) (f/1.4 vs f/1.8)
- AFE 50mm F1.4 GM has higher Max magnification (0.16 × vs 0.15 ×)
Key specs at a glance
Size and weight, to scale
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FE 50mm F1.4 GM
⌀81 × 96 mm
516 g (1.14 lb / 18.20 oz)

Credit card
85.6 × 54 mm
for scale
FE 85mm F1.8
⌀81 × 102 mm
371 g (0.82 lb / 13.09 oz)
FE 50mm F1.4 GM is 6mm shorter than FE 85mm F1.8.
FE 50mm F1.4 GM is 145 g heavier than FE 85mm F1.8.
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 ED
- ✓
Weather sealing
Only FE 50mm F1.4 GM supports it
- ✓
Control ring
Only FE 50mm F1.4 GM supports it
- ✓
Custom function button
Only FE 50mm F1.4 GM supports it
- ✓
Max aperture (Wide)
f/1.4 vs f/1.8 — lower is better
- ✓
Max aperture (Tele)
f/1.4 vs f/1.8 — lower is better
- ✓
Length
96 mm vs 102 mm — lower is better
- ✓
Max magnification
0.16 × vs 0.15 × — higher is better
Reasons to choose the FE 85mm F1.8
- ✓
Weight
371 g vs 516 g — lower is better
- ✓
Min focus distance
30 cm vs 41 cm — lower is better
Shared specifications
Internal focus
Both support internal focus
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
FE 85mm F1.8
Pros
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Lightweight design easy to carry all day
- ✓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 F1.4 GM and FE 85mm F1.8 at major authorized retailers.
Sony FE 50mm F1.4 GM
Sony FE 85mm F1.8
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.