Panasonic
LUMIX S 70-300mm F4.5-5.6 Macro O.I.S.
Leica L Mount
LUMIX S 70-300mm F4.5-5.6 Macro O.I.S. — 70–300mm f/4.5-5.6 for Leica L, a popular choice in the panasonic lineup.
$1,249
Launch priceReleased Apr 2021
Tamron
28-75mm F2.8 Di III VXD G2
Leica L Mount
28-75mm F2.8 Di III VXD G2 — 28–75mm f/2.8 for Leica L, a popular choice in the tamron lineup.
$899
Launch priceReleased Feb 2023
28-75mm F2.8 Di III VXD G2 is 1.8 years newer.
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Wins
LUMIX S 70-300mm F4.5-5.6 Macro O.I.S.
Wins
28-75mm F2.8 Di III VXD G2
TL;DR — Key differences
- ALUMIX S 70-300mm F4.5-5.6 Macro O.I.S. has higher OIS effectiveness (5 stops vs 0 stops)
- ALUMIX S 70-300mm F4.5-5.6 Macro O.I.S. has higher Max magnification (1 × vs 0.32 ×)
- B28-75mm F2.8 Di III VXD G2 has lower Max aperture (Tele) (f/2.8 vs f/5.6)
- B28-75mm F2.8 Di III VXD G2 has lower Max aperture (Wide) (f/2.8 vs f/4.5)
- B28-75mm F2.8 Di III VXD G2 has lower Min focus distance (18 cm vs 28 cm)
Key specs at a glance
Size and weight, to scale
LUMIX S 70-300mm F4.5-5.6 Macro O.I.S.
⌀81 × 161 mm
790 g (1.74 lb / 27.87 oz)
Credit card
85.6 × 54 mm
for scale
28-75mm F2.8 Di III VXD G2
⌀80 × 118 mm
550 g (1.21 lb / 19.40 oz)
LUMIX S 70-300mm F4.5-5.6 Macro O.I.S. is 43mm longer and 1mm wider than 28-75mm F2.8 Di III VXD G2.
LUMIX S 70-300mm F4.5-5.6 Macro O.I.S. is 240 g heavier 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 70-300mm F4.5-5.6 Macro O.I.S.
- ✓
Special elements
Adds Aspherical
- ✓
OIS effectiveness
5 stops vs 0 stops — higher is better
- ✓
Max magnification
1 × vs 0.32 × — higher is better
- ✓
Optical stabilization
Only LUMIX S 70-300mm F4.5-5.6 Macro O.I.S. supports it
- ✓
Control ring
Only LUMIX S 70-300mm F4.5-5.6 Macro O.I.S. supports it
- ✓
Custom function button
Only LUMIX S 70-300mm F4.5-5.6 Macro O.I.S. supports it
Reasons to choose the 28-75mm F2.8 Di III VXD G2
- ✓
Special elements
Adds 1 XLD, 2 LD, 3 GM Aspherical
- ✓
Max aperture (Tele)
f/2.8 vs f/5.6 — lower is better
- ✓
Max aperture (Wide)
f/2.8 vs f/4.5 — lower is better
- ✓
Min focus distance
18 cm vs 28 cm — lower is better
- ✓
Weight
550 g vs 790 g — lower is better
- ✓
Length
117.8 mm vs 161 mm — lower is better
- ✓
Diameter
79.6 mm vs 81 mm — lower is better
Shared specifications
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Pros & cons at a glance
Editorially curated highlights and trade-offs.
LUMIX S 70-300mm F4.5-5.6 Macro O.I.S.
Pros
- ✓Built-in optical image stabilization
- ✓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
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Weather-sealed construction for outdoor shooting
- ✓Native Leica L 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 LUMIX S 70-300mm F4.5-5.6 Macro O.I.S. and 28-75mm F2.8 Di III VXD G2 at major authorized retailers.
Panasonic LUMIX S 70-300mm F4.5-5.6 Macro O.I.S.
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.