Sony a1 → Sony a1 II
Is the upgrade worth it? Every change on the spec sheet, and an honest read on who should bother.
The bottom line
The Sony a1 II is the direct successor to your Sony a1, released 3 years later. Across the full spec sheet it improves 4 items and steps back on 2. The changes that matter most: subject-detection AF is added. The Sony a1 II lists at $6,499 (the Sony a1 launched at $6,499, and older bodies typically sell for well under launch price on the used market). The generation gap here is modest — upgrade only if a specific change below solves a real problem in your shooting.
Upgrade to the Sony a1 II if…
- ✓You photograph moving subjects — it adds AF subject detection for animals and vehicles that the other body lacks.
Stick with the Sony a1 if…
- •None of the headline changes map to what you actually shoot — the camera you own doesn't get worse when a successor launches.
What changed (9 items)
↑ 4 improved · ↓ 2 stepped back · → changed without a clear better/worse
| Spec | Sony a1 | Sony a1 II |
|---|---|---|
| Focus | ||
| ↑Vehicle AF | No | Yes |
| Monitor | ||
| ↑LCD Size | 3" | 3.2" |
| ↑LCD Resolution | 1.44M dots | 2.10M dots |
| →LCD Type | Tilting | 4-Axis Tilting |
| Interface | ||
| →Bluetooth | v5 | v5.3 |
| General | ||
| →Dimensions | 128.9×96.9×80.8 mm | 136.1×96.9×82.9 mm |
| ↓Weight | 737g (1.62 lb) | 743g (1.64 lb) |
| ↑Battery Life (EVF) | 430 shots | 520 shots |
| ↓Battery Life (LCD) | 530 shots | 420 shots |
What stayed the same (40 items)
Everything below is identical on both bodies — if these are what you buy a camera for, the Sony a1 already has them.
Ready to buy?
Sony a1 (keep or buy used)
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Sony a1 II
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Frequently asked
Is it worth upgrading from the Sony a1 to the Sony a1 II?
The Sony a1 II is the direct successor to your Sony a1, released 3 years later. Across the full spec sheet it improves 4 items and steps back on 2. The changes that matter most: subject-detection AF is added. The Sony a1 II lists at $6,499 (the Sony a1 launched at $6,499, and older bodies typically sell for well under launch price on the used market). The generation gap here is modest — upgrade only if a specific change below solves a real problem in your shooting.
What are the biggest improvements of the Sony a1 II over the Sony a1?
Across the spec sheet the Sony a1 II improves 4 items. The most significant: it adds AF subject detection for animals and vehicles that the other body lacks.
What does the Sony a1 still do just as well as the Sony a1 II?
40 spec items are identical between the two, including sensor type (BSI Stacked CMOS), sensor size (Full-Frame), image processor (BIONZ XR), effective resolution (50.1 MP), lens mount (Sony E), iso range (native) (100 – 32000). If those cover your needs, the older body remains fully capable.
Does the Sony a1 II give anything up compared to the Sony a1?
Yes — 2 items on the spec sheet move the other way: weight (737g (1.62 lb) → 743g (1.64 lb)), battery life (lcd) (530 shots → 420 shots).

