A6400vs Sony FE 50mm f/1.8
VS
Which should you buy?
Content Creation & Vlogging — A6400 (2019): The best value APS-C Sony you can buy — especially used. Real-time Eye AF at this price point was transformative when it launched and still makes it one of the most reliable autofocus systems in the lineup.
Portraits & Everyday — Sony FE 50mm f/1.8 (2016): The most affordable full-frame prime in the Sony FE system — f/1.8 subject separation and linear motor AF at an entry-level price.
Who should buy what
A6400 (2019)
- Vloggers and content creators who need a flip screen and reliable AF
- Photographers upgrading from a compact or smartphone
- Beginners who want room to grow into a full E-mount lens ecosystem
- Anyone prioritising autofocus performance at an accessible price
Quick take: The sony fe 50mm f/1.8 is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | A6400 (2019) | Sony FE 50mm f/1.8 (2016) |
|---|---|---|
| Price | £899 | £199 |
| Sensor | 24.2MP APS-C Exmor CMOS BSI | f/1.8 (max aperture) |
| Resolution | 24.2MP | — |
| Video | 4K/30p (6K oversampled, no crop), 1080p/120p slow-motion | 45cm minimum focus distance |
| Autofocus | Phase-detect, 425 points, real-time Eye AF & animal AF | Linear motor (fast and quiet AF) |
| Stabilisation | None (no IBIS) | None (relies on body IBIS) |
| Burst Rate | 11fps mechanical, 8fps with AF tracking | — |
| Battery Life | ~410 shots (CIPA) | — |
| Weight | 403g (body, battery, card) | 186g |
| Dimensions | 120.0 × 66.9 × 59.7mm | 68.6 × 59.5mm |
| Weather Sealed | No | No |
| Viewfinder | EVF, 2.36M dots, 0.70× magnification | — |
| Screen | 3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dots | — |
| Mount | Sony E-mount | Sony FE (full-frame E-mount) |
| Memory Cards | Single SD UHS-I | — |
| Connectivity | Micro-USB, Wi-Fi, Bluetooth, NFC | — |
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