Canon RF 70-200mm f/4L IS USMvs A6400
Canon
Canon RF 70-200mm f/4L IS USM (2020)
Starting from £1699 new
Best for Travel, sports & wildlife
View Canon RF 70-200mm f/4L IS USM
GearScore™ Verdict — Which should you buy?
Travel, Sports & Wildlife — Canon RF 70-200mm f/4L IS USM (2020): The smart telephoto choice for RF shooters who want L-series quality in a remarkably compact package.
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 canon rf 70-200mm f/4l is usm is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | Canon RF 70-200mm f/4L IS USM (2020) | A6400 (2019) |
|---|---|---|
| Price | £1,699 | £899 |
| Sensor | f/4 (constant max aperture) | 24.2MP APS-C Exmor CMOS BSI |
| Resolution | — | 24.2MP |
| Video | 60cm minimum focus distance | 4K/30p (6K oversampled, no crop), 1080p/120p slow-motion |
| Autofocus | Nano USM — fast, silent, and ideal for video tracking | Phase-detect, 425 points, real-time Eye AF & animal AF |
| Stabilisation | 5-stop IS (up to 7.5 stops with compatible bodies) | None (no IBIS) |
| Burst Rate | N/A | 11fps mechanical, 8fps with AF tracking |
| Battery Life | N/A | ~410 shots (CIPA) |
| Weight | 695g | 403g (body, battery, card) |
| Dimensions | 83.5mm diameter × 149mm length (collapsed) | 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 | Canon RF | Sony E-mount |
| Memory Cards | N/A | Single SD UHS-I |
| Connectivity | N/A | Micro-USB, Wi-Fi, Bluetooth, NFC |
Suitability by genre
| Genre | Canon RF 70-200mm f/4L IS USM | A6400 |
|---|---|---|
| Travel | ||
| Wildlife | ||
| Portrait | ||
| Video | — | |
| Street | — |
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Camera family history