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Quick take: The A7R III has the highest resolution at 42MP; the A7R III is the most affordable.
16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras
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A7R III — Landscape, Studio & Commercial Photography: The camera that converted professionals to mirrorless — 42MP, IBIS, and 10fps in a body that still competes today.
ZV-E1 — Video Creators, Vloggers & Filmmakers: Full-frame video quality in a vlogging body — exceptional low-light performance and a genuinely compact form factor.
| Specification | A7R IIISony · 2017 | ZV-E1Sony · 2023 |
|---|---|---|
| Price | £1,799 | £1,779Best |
| Sensor | 42.4MP full-frame BSI Exmor R CMOS | 12.1MP Full-Frame BSI CMOS Exmor R |
| Resolution | 42.4MPBest | 12.1MP |
| Video | 4K/30p (full-frame readout), 1080p/120p | 4K/60p (S-Cinetone, S-Log3), 4K/120p, 1080p/240p |
| Autofocus | 399 phase-detect + 425 contrast AF points — real-time Eye AF | Real-time Tracking AF with subject recognition |
| Stabilisation | 5-axis IBIS — 5.5 stops | IBIS — Active Mode for video |
| Burst Rate | 10fps with AF/AE tracking | 10fps |
| Battery Life | ~650 shots (CIPA)Best | ~570 shots (CIPA) / ~105 min video |
| Weight | 650g (body only) | 483g (with battery and card)Best |
| Dimensions | 126.9 × 95.6 × 73.7mm | 121.4 × 71.6 × 54.3mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, 3.69M dots, 0.78× magnification | None — screen only |
| Screen | 3.0" touchscreen, tilting | 3.0" fully articulating touchscreen |
| Mount | Sony FE mount (full-frame E-mount) | Sony FE mount (full-frame E-mount) |
| Memory Cards | Dual SD slots (one UHS-II) | Single SD UHS-II slot |
| Connectivity | USB-C, Bluetooth, Wi-Fi, 3.5mm mic jack | USB-C, Wi-Fi, Bluetooth, 3.5mm mic, Multi-Interface Shoe |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
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 →