Upgrade Guide
Sony A7R IV→Sony A1 II
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Worthwhile
Clear improvements over the A7R IV. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the A1 II
-
StabilisationImproved — 8.5-stop IBIS (with in-lens OSS)
-
Burst rate30fps electronic (with full AF/AE), 10fps mechanical vs 10fps
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Generation6 years newer (2025 vs 2019)
Unchanged or similar
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Resolution50MP (down from 61MP — optimised for low light)
Suitability by genre
| Genre | A7R IV | A1 II | |
|---|---|---|---|
| Portrait | — | ||
| Landscape | — | ||
| Architecture | — | ||
| Street | — | ||
| Travel | -1.0 | ||
| Wedding & Events | — | ||
| Wildlife | +2.0 | ||
| Vlogging & Video | +3.0 | ||
| Sports | — |
Full spec comparison
| Spec | A7R IV | A1 II | |
|---|---|---|---|
| Price | £2,199 | £6,500 | |
| Released | 2019 | 2025 | ↑ |
| Sensor | Full-frame BSI Exmor R CMOS 35mm | 50.1MP full-frame stacked BSI CMOS | |
| Resolution | 61MP | 50MP | ↓ |
| Video | 4K 30fps | 8K/30p, 4K/120p 10-bit, 4K/240p super slow-motion | |
| Autofocus | 567-point phase-detect, real-time tracking | AI subject recognition — human, animal, bird, insect, vehicle, aircraft, train | |
| Stabilisation | 5-axis IBIS, 5.5 stops | 8.5-stop IBIS (with in-lens OSS) | |
| Burst Rate | 10fps | 30fps electronic (with full AF/AE), 10fps mechanical | ↑ |
| Battery Life | 670 shots (CIPA) | ~530 shots (CIPA) | ↓ |
| Weight | 665g (body only) | 743g body only | ↓ |
| Weather Sealed | Yes | Yes | |
| Viewfinder | EVF 0.78× 5.76M-dot | EVF 0.9× 9.44M-dot — the highest resolution EVF available | |
| Screen | 3.0" tilting touchscreen, 1.44M-dot | 3.2" fully articulating touchscreen, 2.1M dots | |
| Mount | Sony E-Mount | Sony E-mount (full-frame) | |
| Memory Cards | 2× SD UHS-II / CFexpress Type A | Dual CFexpress Type A / SD UHS-II slots |
Compare side-by-side
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