Panasonic
LUMIX S 16-35mm F4
Leica L Mount
LUMIX S 16-35mm F4 — 16–35mm f/4 for Leica L, a popular choice in the panasonic lineup.
$1,299
Launch priceReleased Jan 2023
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
LUMIX S 16-35mm F4 is 1.4 years newer.
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Wins
LUMIX S 16-35mm F4
Wins
28-75mm F2.8 Di III VXD G2
1 categories tied
Which would you choose?
TL;DR — Key differences
- B28-75mm F2.8 Di III VXD G2 has higher Max magnification (0.37 × vs 0.25 ×)
- B28-75mm F2.8 Di III VXD G2 has lower Max aperture (Wide) (f/2.8 vs f/4)
- B28-75mm F2.8 Di III VXD G2 has lower Max aperture (Tele) (f/2.8 vs f/4)
- B28-75mm F2.8 Di III VXD G2 has lower Min focus distance (18 cm vs 25 cm)
- ALUMIX S 16-35mm F4 has lower Length (105.4 mm vs 118 mm)
Key specs at a glance
Size and weight, to scale
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LUMIX S 16-35mm F4
⌀74 × 105 mm
493 g (1.09 lb / 17.39 oz)
Credit card
85.6 × 54 mm
for scale
28-75mm F2.8 Di III VXD G2
⌀76 × 118 mm
540 g (1.19 lb / 19.05 oz)
LUMIX S 16-35mm F4 is 13mm shorter and 2mm narrower than 28-75mm F2.8 Di III VXD G2.
LUMIX S 16-35mm F4 is 47 g lighter than 28-75mm F2.8 Di III VXD G2.
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 LUMIX S 16-35mm F4
- ✓
Special elements
Adds 2 Aspherical, 1 ED
- ✓
Control ring
Only LUMIX S 16-35mm F4 supports it
- ✓
Length
105.4 mm vs 118 mm — lower is better
- ✓
Weight
493 g vs 540 g — lower is better
- ✓
Diameter
73.6 mm vs 76 mm — lower is better
Reasons to choose the 28-75mm F2.8 Di III VXD G2
- ✓
Special elements
Adds 2 LD, 2 GM
- ✓
Max aperture (Wide)
f/2.8 vs f/4 — lower is better
- ✓
Max aperture (Tele)
f/2.8 vs f/4 — lower is better
- ✓
Min focus distance
18 cm vs 25 cm — lower is better
- ✓
Max magnification
0.37 × vs 0.25 × — higher 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 16-35mm F4
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Weather-sealed construction for outdoor shooting
- ✓Native Leica L mount compatibility
Cons
- –Slower maximum aperture limits low-light performance
- –Third-party or older alternatives may offer better value
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 16-35mm F4 and 28-75mm F2.8 Di III VXD G2 at major authorized retailers.
Panasonic LUMIX S 16-35mm F4
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 June 2026.