Z50 IIvs A7S
GearScore™ Verdict — Which should you buy?
All-Round Photography — Z50 II (2024): Nikon's updated APS-C body with 4K/60p, improved subject tracking, and a vari-angle screen — a solid all-rounder.
Astrophotography & Low-Light — A7S (2014): The original A7S pioneered the concept of a camera optimised entirely for low light. Its 12.2MP sensor has enormous photosites — extraordinary high-ISO performance that still holds up. Lacking IBIS and limited to 1080p internally (4K requires external recorder), it is a specialist tool. For astrophotography, event videography, or any scenario where light is genuinely scarce, it remains outstanding.
Who should buy what
Z50 II (2024)
- Beginners stepping into the Nikon Z system wanting improved autofocus
- Content creators who want APS-C Z quality with subject detection AF
- Z50 owners who want meaningfully better AF performance for people and pets
- Travel photographers wanting a compact, capable Z body at an accessible price
A7S (2014)
- Astrophotographers
- Low-light event videographers
- Filmmakers needing clean high-ISO footage
Quick take: The z50 ii has the highest resolution at 21mp; the a7s is the most affordable; only the a7s is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | Z50 II (2024) | A7S (2014) |
|---|---|---|
| Price | £899 | £600 |
| Sensor | 20.9MP APS-C CMOS | 12.2MP Full-Frame BSI CMOS |
| Resolution | 20.9MP | 12.2MP |
| Video | 4K/60p uncropped, 1080p/120p, N-Log | 1080p/60p internal, 4K via HDMI (external recorder) |
| Autofocus | Phase-detect, 249 points, subject detection (human/animal/vehicle) | Phase-detect / contrast-detect hybrid AF |
| Stabilisation | None (no IBIS) | None |
| Burst Rate | 11fps mechanical, 30fps electronic | 5fps |
| Battery Life | ~330 shots (CIPA) | ~370 shots (CIPA) |
| Weight | 385g body only | 474g (with battery and card) |
| Dimensions | 127.0 × 96.8 × 66.5mm | 126.9 × 94.4 × 48.2mm |
| Weather Sealed | No | Yes |
| Viewfinder | EVF, 2.36M dots | Electronic, 2.36M dots, 0.71× magnification |
| Screen | 3.0" fully articulating touchscreen | 3.0" tilting LCD, 1.23M dots |
| Mount | Nikon Z-mount | Sony FE (full-frame E-mount) |
| Memory Cards | Single SD UHS-I slot | Single SD / MemoryStick PRO Duo slot |
| Connectivity | USB-C, Bluetooth, Wi-Fi | Multi/Micro USB, Wi-Fi, NFC |
Suitability by genre
| Genre | Z50 II | A7S |
|---|---|---|
| Vlogging & Video | ||
| Travel | ||
| Portrait | ||
| Family & Everyday | — | |
| Landscape | ||
| Sports & Action | ||
| Astrophotography | — | |
| Street | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
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Camera family history