Lumix S1vs A1 II
Lumix
Lumix S1 (2019)
Starting from £1499 new
Best for Landscape, studio & professional stills on L-mount
View Lumix S1
Sony
A1 II (2025)
Starting from £6500 new
Best for Professional sports, wildlife & high-resolution studio work
View A1 II
GearScore™ Verdict — Which should you buy?
Landscape, Studio & Professional Stills On L-Mount — Lumix S1 (2019): Built like a tank with one of the finest viewfinders ever made — the S1 is the choice for photographers who prioritise build quality and IBIS over AF speed.
Professional Sports, Wildlife & High-Resolution Studio Work — A1 II (2025): The most complete camera ever made — 50MP, 30fps, 8K, and the world's best EVF in a single flagship body.
Who should buy what
Lumix S1 (2019)
- L-mount system photographers who want a rugged, weather-sealed full-frame body for demanding conditions
- Landscape and studio photographers who value exceptional IBIS and an outstanding EVF
- Video professionals who need V-Log and 4K/60p in a robust, weather-sealed body
- Leica SL users who want a more affordable second body on the same L-mount system
A1 II (2025)
- Professional sports and wildlife photographers who need 30fps, 50MP, and the best AF available
- Commercial and advertising photographers who demand 50MP resolution alongside pro video specs
- Photojournalists who need a single body capable of handling every assignment
- Sony system shooters ready to invest in the absolute best
Quick take: The a1 ii has the highest resolution at 50mp; the lumix s1 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | Lumix S1 (2019) | A1 II (2025) |
|---|---|---|
| Price | £1,499 | £6,500 |
| Sensor | 24.2MP full-frame CMOS | 50.1MP full-frame stacked BSI CMOS |
| Resolution | 24.2MP | 50.1MP |
| Video | 4K/60p (crop), 4K/30p (full-frame), 1080p/180p, V-Log (upgrade) | 8K/30p, 4K/120p 10-bit, 4K/240p super slow-motion |
| Autofocus | DFD contrast-detect AF — reliable but slower than phase-detect rivals | AI subject recognition — human, animal, bird, insect, vehicle, aircraft, train |
| Stabilisation | 5-axis IBIS — 6 stops | 8.5-stop IBIS (with in-lens OSS) |
| Burst Rate | 9fps continuous with AF/AE | 30fps electronic (with full AF/AE), 10fps mechanical |
| Battery Life | ~380 shots (CIPA) | ~530 shots (CIPA) |
| Weight | 898g body only | 743g body only |
| Dimensions | 148.9 × 110.0 × 96.7mm | 136.1 × 96.9 × 82.9mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | OLED EVF, 5.76M dots, 0.78× — one of the finest EVFs available | EVF 0.9× 9.44M-dot — the highest resolution EVF available |
| Screen | 3.2" touchscreen, tilting | 3.2" fully articulating touchscreen, 2.1M dots |
| Mount | L-mount (Leica/Panasonic/Sigma) | Sony E-mount (full-frame) |
| Memory Cards | Dual SD UHS-II slots | Dual CFexpress Type A / SD UHS-II slots |
| Connectivity | USB-C, Bluetooth, Wi-Fi, 3.5mm mic & headphone jacks | USB-C 3.2 Gen 2, Wi-Fi 6GHz, Bluetooth 5.3, HDMI full-size |
Suitability by genre
| Genre | Lumix S1 | A1 II |
|---|---|---|
| Landscape | ||
| Portrait | ||
| Vlogging & Video | ||
| Travel | ||
| Street | — | |
| Sports | ||
| Wildlife | — |
More comparisons with Lumix S1
Camera family history