Panasonic
LEICA DG NOCTICRON 42.5mm F1.2
Micro Four Thirds Mount
LEICA DG NOCTICRON 42.5mm F1.2 — 42.5mm f/1.2 for Micro Four Thirds, a popular choice in the panasonic lineup.
$1,599
Launch priceReleased Aug 2014
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
LUMIX S PRO 50mm F1.4 is 5.1 years newer.
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Wins
LEICA DG NOCTICRON 42.5mm F1.2
Wins
LUMIX S PRO 50mm F1.4
TL;DR — Key differences
- ALEICA DG NOCTICRON 42.5mm F1.2 has higher OIS effectiveness (5 stops vs 0 stops)
- ALEICA DG NOCTICRON 42.5mm F1.2 has lower Weight (425 g vs 958 g)
- ALEICA DG NOCTICRON 42.5mm F1.2 has lower Length (110 mm vs 184 mm)
- ALEICA DG NOCTICRON 42.5mm F1.2 has higher Max magnification (0.25 × vs 0.15 ×)
- BLUMIX S PRO 50mm F1.4 has lower Min focus distance (30 cm vs 38 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 LEICA DG NOCTICRON 42.5mm F1.2
- ✓
OIS effectiveness
5 stops vs 0 stops — higher is better
- ✓
Weight
425 g vs 958 g — lower is better
- ✓
Optical stabilization
Only LEICA DG NOCTICRON 42.5mm F1.2 supports it
- ✓
Length
110 mm vs 184 mm — lower is better
- ✓
Max aperture (Wide)
f/1.2 vs f/1.4 — lower is better
- ✓
Max aperture (Tele)
f/1.2 vs f/1.4 — lower is better
- ✓
Diameter
70 mm vs 81 mm — lower is better
- ✓
Max magnification
0.25 × vs 0.15 × — higher is better
Reasons to choose the LUMIX S PRO 50mm F1.4
- ✓
Min focus distance
30 cm vs 38 cm — lower is better
Shared specifications
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Control ring
Both support control ring
Custom function button
Both support custom function button
Pros & cons at a glance
Editorially curated highlights and trade-offs.
LEICA DG NOCTICRON 42.5mm F1.2
Pros
- ✓Bright f/1.2 aperture for low light and subject separation
- ✓Built-in optical image stabilization
- ✓Weather-sealed construction for outdoor shooting
Cons
- –Third-party or older alternatives may offer better value
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
Decided which one is right for you?
Compare live prices for the LEICA DG NOCTICRON 42.5mm F1.2 and LUMIX S PRO 50mm F1.4 at major authorized retailers.
Panasonic LEICA DG NOCTICRON 42.5mm F1.2
Panasonic LUMIX S PRO 50mm F1.4
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.