Panasonic
LUMIX S PRO 50mm F1.4
Leica L Mount
LUMIX S PRO 50mm F1.4 — 50mm f/1.4 for Leica L, a popular choice in the panasonic lineup.
$2,299
Launch priceReleased Oct 2019
Tamron
28-75mm F2.8 Di III VXD G2
Sony E Mount
An incredibly popular third-party zoom updated with vastly improved sharpness and autofocus.
$899
Launch priceReleased Aug 2021
28-75mm F2.8 Di III VXD G2 is 1.8 years newer.
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Wins
LUMIX S PRO 50mm F1.4
Wins
28-75mm F2.8 Di III VXD G2
1 categories tied
TL;DR — Key differences
- B28-75mm F2.8 Di III VXD G2 has higher Max magnification (0.37 × vs 0.15 ×)
- ALUMIX S PRO 50mm F1.4 has lower Max aperture (Wide) (f/1.4 vs f/2.8)
- ALUMIX S PRO 50mm F1.4 has lower Max aperture (Tele) (f/1.4 vs f/2.8)
- B28-75mm F2.8 Di III VXD G2 has lower Weight (540 g vs 958 g)
- B28-75mm F2.8 Di III VXD G2 has lower Min focus distance (18 cm vs 30 cm)
Key specs at a glance
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 LUMIX S PRO 50mm F1.4
- ✓
Special elements
Adds Aspherical, ED
- ✓
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
- ✓
Control ring
Only LUMIX S PRO 50mm F1.4 supports it
Reasons to choose the 28-75mm F2.8 Di III VXD G2
- ✓
Special elements
Adds 2 LD, 2 GM
- ✓
Weight
540 g vs 958 g — lower is better
- ✓
Min focus distance
18 cm vs 30 cm — lower is better
- ✓
Length
118 mm vs 184 mm — lower is better
- ✓
Max magnification
0.37 × vs 0.15 × — higher is better
- ✓
Diameter
76 mm vs 81 mm — lower is better
Shared specifications
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Custom function button
Both support custom function button
Pros & cons at a glance
Editorially curated highlights and trade-offs.
LUMIX S PRO 50mm F1.4
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
- –Premium price point
- –Relatively heavy for extended handheld use
28-75mm F2.8 Di III VXD G2
Pros
- ✓Superb value for money compared to first-party options
- ✓Excellent sharpness throughout the range, even at f/2.8
- ✓Very lightweight and compact (only 540g)
- ✓Fast VXD linear motor focus drive
- ✓Customizable lens functions via Tamron Lens Utility software
Cons
- –Starts at 28mm instead of the wider 24mm standard
- –Slightly weaker corner sharpness at 75mm wide open
- –Weather sealing is basic compared to Sony GM lenses
Decided which one is right for you?
Compare live prices for the LUMIX S PRO 50mm F1.4 and 28-75mm F2.8 Di III VXD G2 at major authorized retailers.
Panasonic LUMIX S PRO 50mm F1.4
Tamron 28-75mm F2.8 Di III VXD G2
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.