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
Tamron
70-180mm F2.8 Di III VXD
Sony E Mount
70-180mm F2.8 Di III VXD — 70–180mm f/2.8 for Sony E, a popular choice in the tamron lineup.
$1,199
Launch priceReleased May 2020
FE 50mm F1.4 GM is 2.8 years newer.
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Wins
FE 50mm F1.4 GM
Wins
70-180mm F2.8 Di III VXD
1 categories tied
Which would you choose?
TL;DR — Key differences
- AFE 50mm F1.4 GM has lower Max aperture (Wide) (f/1.4 vs f/2.8)
- AFE 50mm F1.4 GM has lower Max aperture (Tele) (f/1.4 vs f/2.8)
- AFE 50mm F1.4 GM has lower Length (96 mm vs 164 mm)
- AFE 50mm F1.4 GM has lower Weight (516 g vs 815 g)
- B70-180mm F2.8 Di III VXD has higher Max magnification (0.25 × vs 0.16 ×)
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
70-180mm F2.8 Di III VXD
⌀81 × 164 mm
815 g (1.80 lb / 28.75 oz)
FE 50mm F1.4 GM is 68mm shorter than 70-180mm F2.8 Di III VXD.
FE 50mm F1.4 GM is 299 g lighter than 70-180mm F2.8 Di III VXD.
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
- ✓
Max aperture (Wide)
f/1.4 vs f/2.8 — lower is better
- ✓
Max aperture (Tele)
f/1.4 vs f/2.8 — lower is better
- ✓
Special elements
Adds ED
- ✓
Custom function button
Only FE 50mm F1.4 GM supports it
- ✓
Length
96 mm vs 164 mm — lower is better
- ✓
Weight
516 g vs 815 g — lower is better
- ✓
Diameter
80.6 mm vs 81 mm — lower is better
Reasons to choose the 70-180mm F2.8 Di III VXD
- ✓
Max magnification
0.25 × vs 0.16 × — higher is better
- ✓
Min focus distance
38 cm vs 41 cm — lower 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 F1.4 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
70-180mm F2.8 Di III VXD
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Weather-sealed construction for outdoor shooting
- ✓Native Sony E mount compatibility
Cons
- –No optical stabilization — relies on body IBIS
- –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 70-180mm F2.8 Di III VXD at major authorized retailers.
Sony FE 50mm F1.4 GM
Tamron 70-180mm F2.8 Di III VXD
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.