Panasonic
LUMIX S 18mm F1.8
Leica L Mount
LUMIX S 18mm F1.8 — 18mm f/1.8 for Leica L, a popular choice in the panasonic lineup.
$599
Launch priceReleased Nov 2022
Sony
FE 70-200mm F2.8 GM OSS II
Sony E Mount
The standard telephoto zoom, completely redesigned to be 29% lighter and significantly sharper.
$2,799
Launch priceReleased Oct 2021
LUMIX S 18mm F1.8 is 1.1 years newer.
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Wins
LUMIX S 18mm F1.8
Wins
FE 70-200mm F2.8 GM OSS II
Which would you choose?
TL;DR — Key differences
- BFE 70-200mm F2.8 GM OSS II has higher OIS effectiveness (4.5 stops vs 0 stops)
- ALUMIX S 18mm F1.8 has lower Weight (340 g vs 1045 g)
- ALUMIX S 18mm F1.8 has lower Length (86.5 mm vs 200 mm)
- ALUMIX S 18mm F1.8 has lower Min focus distance (20 cm vs 40 cm)
- ALUMIX S 18mm F1.8 has lower Max aperture (Wide) (f/1.8 vs f/2.8)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to shareLUMIX S 18mm F1.8
⌀67 × 87 mm
340 g (0.75 lb / 11.99 oz)
Credit card
85.6 × 54 mm
for scale
FE 70-200mm F2.8 GM OSS II
⌀88 × 200 mm
1045 g (2.30 lb / 36.86 oz)
LUMIX S 18mm F1.8 is 114mm shorter and 21mm narrower than FE 70-200mm F2.8 GM OSS II.
LUMIX S 18mm F1.8 is 705 g lighter than FE 70-200mm F2.8 GM OSS II.
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 18mm F1.8
- ✓
Special elements
Adds 2 Aspherical, 1 ED
- ✓
Weight
340 g vs 1045 g — lower is better
- ✓
Length
86.5 mm vs 200 mm — lower is better
- ✓
Min focus distance
20 cm vs 40 cm — lower is better
- ✓
Max aperture (Wide)
f/1.8 vs f/2.8 — lower is better
- ✓
Max aperture (Tele)
f/1.8 vs f/2.8 — lower is better
- ✓
Diameter
67 mm vs 88 mm — lower is better
Reasons to choose the FE 70-200mm F2.8 GM OSS II
- ✓
Special elements
Adds 1 XA, 1 Aspherical, 1 Super ED…
- ✓
OIS effectiveness
4.5 stops vs 0 stops — higher is better
- ✓
Optical stabilization
Only FE 70-200mm F2.8 GM OSS II supports it
- ✓
Custom function button
Only FE 70-200mm F2.8 GM OSS II supports it
- ✓
Max magnification
0.3 × vs 0.2 × — higher 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 18mm F1.8
Pros
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Lightweight design easy to carry all day
- ✓Native Leica L mount compatibility
Cons
- –Third-party or older alternatives may offer better value
FE 70-200mm F2.8 GM OSS II
Pros
- ✓Extremely lightweight for an f/2.8 telephoto zoom (only 1045g)
- ✓Virtually instantaneous and silent autofocus with 4 XD Linear motors
- ✓Stunning optical performance and contrast across entire range
- ✓Outstanding built-in Optical SteadyShot stabilization
- ✓Dedicated physical aperture ring with click and lock switches
Cons
- –Very high price tag
- –Lens hood is bulky and can block storage space easily
Decided which one is right for you?
Compare live prices for the LUMIX S 18mm F1.8 and FE 70-200mm F2.8 GM OSS II at major authorized retailers.
Panasonic LUMIX S 18mm F1.8
Sony FE 70-200mm F2.8 GM OSS II
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.