Panasonic
LEICA DG SUMMILUX 25mm F1.4 II
Micro Four Thirds Mount
LEICA DG SUMMILUX 25mm F1.4 II — 25mm f/1.4 for Micro Four Thirds, a popular choice in the panasonic lineup.
$699
Launch priceReleased Oct 2018
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 11 months newer.
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Wins
LEICA DG SUMMILUX 25mm F1.4 II
Wins
LUMIX S PRO 50mm F1.4
5 categories tied
TL;DR — Key differences
- ALEICA DG SUMMILUX 25mm F1.4 II has lower Weight (265 g vs 958 g)
- ALEICA DG SUMMILUX 25mm F1.4 II has lower Length (87 mm vs 184 mm)
- ALEICA DG SUMMILUX 25mm F1.4 II has lower Diameter (70 mm vs 81 mm)
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 SUMMILUX 25mm F1.4 II
- ✓
Weight
265 g vs 958 g — lower is better
- ✓
Length
87 mm vs 184 mm — lower is better
- ✓
Diameter
70 mm vs 81 mm — lower is better
Reasons to choose the LUMIX S PRO 50mm F1.4
- ✓
Weather sealing
Only LUMIX S PRO 50mm F1.4 supports it
- ✓
Control ring
Only LUMIX S PRO 50mm F1.4 supports it
- ✓
Custom function button
Only LUMIX S PRO 50mm F1.4 supports it
Shared specifications
Max aperture (Wide)
Both f/1.4
Max aperture (Tele)
Both f/1.4
Min focus distance
Both 30 cm
Max magnification
Both 0.15 ×
Internal focus
Both support internal focus
Pros & cons at a glance
Editorially curated highlights and trade-offs.
LEICA DG SUMMILUX 25mm F1.4 II
Pros
- ✓Bright f/1.4 aperture for low light and subject separation
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Lightweight design easy to carry all day
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 SUMMILUX 25mm F1.4 II and LUMIX S PRO 50mm F1.4 at major authorized retailers.
Panasonic LEICA DG SUMMILUX 25mm F1.4 II
Panasonic LUMIX S PRO 50mm F1.4
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.