RF 15-35mm f/2.8L IS USMvs A6400
Canon
RF 15-35mm f/2.8L IS USM (2019)
From £2299
Best for Architecture, landscape & astrophotography
View RF 15-35mm f/2.8L IS USM
Which should you buy?
Architecture, Landscape & Astrophotography — RF 15-35mm f/2.8L IS USM (2019): The best wide-angle zoom Canon has ever made — optically superb, stabilised, and L-series built.
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.
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 a6400 is the most affordable; only the rf 15-35mm f/2.8l is usm is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | RF 15-35mm f/2.8L IS USM (2019) | A6400 (2019) |
|---|---|---|
| Price | £2,299 | £899 |
| Sensor | Canon RF mount (full-frame) | 24.2MP APS-C Exmor CMOS BSI |
| Resolution | — | 24.2MP |
| Video | N/A — lens | 4K/30p (6K oversampled, no crop), 1080p/120p slow-motion |
| Autofocus | Dual Nano USM — fast, precise, near-silent | Phase-detect, 425 points, real-time Eye AF & animal AF |
| Stabilisation | Optical IS — 5 stops (up to 7 stops with IBIS combo) | None (no IBIS) |
| Burst Rate | N/A | 11fps mechanical, 8fps with AF tracking |
| Battery Life | N/A | ~410 shots (CIPA) |
| Weight | 840g | 403g (body, battery, card) |
| Dimensions | 88.5mm diameter × 126.8mm length | 120.0 × 66.9 × 59.7mm |
| Weather Sealed | Yes | No |
| Viewfinder | N/A | EVF, 2.36M dots, 0.70× magnification |
| Screen | N/A | 3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dots |
| Mount | 82mm filter thread | Sony E-mount |
| Memory Cards | N/A | Single SD UHS-I |
| Connectivity | N/A | Micro-USB, Wi-Fi, Bluetooth, NFC |
Suitability by genre
| Genre | RF 15-35mm f/2.8L IS USM | A6400 |
|---|---|---|
| Landscape | — | |
| Architecture | — | |
| Astrophotography | — | |
| Video | — | |
| Street | — | |
| Portrait | — | |
| Travel | — | |
| Wildlife | — |
More comparisons with RF 15-35mm f/2.8L IS USM
Camera family history