Decision tools · Compare
SL3 vs A7R IV
Quick take: The A7R IV has the highest resolution at 61MP; the A7R IV is the most affordable.
16 specs side by side·14 genres scored·UK prices from Wex Photo Video and Clifton Cameras
How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.
Sony
A7R IV 2019
Best for Landscape, studio, commercial
£2199
list price · used from £1079 at Wex Photo Video
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Verdictwhich should you buy?
SL3 — Professional & Luxury Hybrid Shooters: Leica's most capable mirrorless — 60MP, 30fps burst, 8K ProRes, and 7.5-stop IBIS with L-mount's growing lens ecosystem.
A7R IV — Landscape, Studio, Commercial: 61MP in a mirrorless body — the resolution benchmark.
Who should buy what
SL3 (2024)
is the right camera for you if…
- Leica photographers who want autofocus full-frame in the L-mount system
- SL2 owners upgrading to 60MP and improved autofocus performance
- Professionals who want Leica build quality with L-mount lens versatility
- Photographers who want to share lenses across Leica, Sigma, and Lumix bodies
A7R IV (2019)
is the right camera for you if…
- Landscape photographers who print large
- Studio shooters needing maximum detail
Full specificationsthe better value in each row is highlighted
| Specification | SL3Leica · 2024 | A7R IVSony · 2019 |
|---|---|---|
| Price | £5,920 | £2,199Best |
| Sensor | 60MP full-frame BSI CMOS | Full-frame BSI Exmor R CMOS 35mm |
| Resolution | 60.0MP | 61.0MPBest |
| Video | 8K/30p, 4K/60p, Apple ProRes | 4K 30fps |
| Autofocus | Phase-detect AF with subject/face/eye detection | 567-point phase-detect, real-time tracking |
| Stabilisation | 7.5-stop IBIS | 5-axis IBIS, 5.5 stops |
| Burst Rate | 30fps electronicBest | 10fps |
| Battery Life | 410 shots (CIPA) | 670 shots (CIPA)Best |
| Weight | 875g (body only) | 665g (body only)Best |
| Dimensions | 146.0 × 104.0 × 42.0mm | 128.9 × 96.4 × 77.5mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | 0.78" OLED EVF, 5.76M dots | EVF 0.78× 5.76M-dot |
| Screen | 3.2" tilting touchscreen | 3.0" tilting touchscreen, 1.44M-dot |
| Mount | Leica L-mount | Sony E-Mount |
| Memory Cards | Dual SD UHS-II | Dual SD UHS-II slots |
| Connectivity | USB-C 3.1, Wi-Fi, Bluetooth | Wi-Fi 5GHz, Bluetooth 4.1, USB-C 3.2 |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
How they score by genreengine base scores out of 10
Genre
SL3
A7R IV
Portrait
8.2/10
8.1/10
Street
5.9/10
6.2/10
Travel
5.8/10
6.2/10
Wedding & Events
7.8/10
7.8/10
Filmmaking
7.0/10
6.4/10
Documentary
7.4/10
6.9/10
Sports & Action
7.5/10
7.4/10
Landscape
7.8/10
7.9/10
Wildlife
7.5/10
7.7/10
Casual
4.7/10
4.8/10
Food
7.5/10
7.4/10
Macro
6.4/10
6.5/10
Architecture
8.2/10
8.1/10
Astrophotography
6.1/10
6.9/10
Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →
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