100-400mm f/5-6.3 DG DN OS Contemporaryvs A6700
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100-400mm f/5-6.3 DG DN OS Contemporary (2020)
Starting from £749 new
Best for Wildlife & sports photography on a budget
View 100-400mm f/5-6.3 DG DN OS Contemporary
GearScore™ Verdict — Which should you buy?
Wildlife & Sports Photography On A Budget — 100-400mm f/5-6.3 DG DN OS Contemporary (2020): The best-value telephoto zoom for Sony FE — 400mm reach, OS, and weather sealing for under £800. Punches well above its price at every focal length.
All-Round & Video — A6700 (2023): Best-in-class autofocus and 4K/120p video in a compact APS-C body — the standout camera under £1,000.
Who should buy what
A6700 (2023)
- APS-C photographers who want the best Sony autofocus in a compact body
- Video shooters who need 4K/120p and subject tracking in a smaller package
- A6400 or A6600 owners ready for a significant AF and video upgrade
- Photographers who want near-A7 performance without the full-frame price
Quick take: The 100-400mm f/5-6.3 dg dn os contemporary is the most affordable; only the 100-400mm f/5-6.3 dg dn os contemporary is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | 100-400mm f/5-6.3 DG DN OS Contemporary (2020) | A6700 (2023) |
|---|---|---|
| Price | £749 | £999 |
| Sensor | f/5-6.3 (variable max aperture) | 26MP APS-C Exmor R BSI CMOS |
| Resolution | — | 26.0MP |
| Video | 160cm minimum focus distance | 4K/120p, 4K/60p oversampled, S-Log3, 10-bit |
| Autofocus | HSM (Hyper Sonic Motor) — fast and near-silent for a telephoto zoom | 759-point phase-detect, AI subject recognition (human/animal/bird/vehicle) |
| Stabilisation | 4-stop OS (Optical Stabiliser) | 5-axis IBIS, 5.0 stops |
| Burst Rate | N/A | 11fps mechanical, 30fps electronic |
| Battery Life | N/A | ~570 shots (CIPA) |
| Weight | 1140g | 493g body only |
| Dimensions | 86.4mm diameter × 199.2mm length | 122.0 × 69.0 × 75.1mm |
| Weather Sealed | Yes | No |
| Viewfinder | N/A | EVF, 2.36M dots |
| Screen | N/A | 3.0" vari-angle touchscreen |
| Mount | Sony FE (full-frame E-mount) | Sony E-mount |
| Memory Cards | N/A | Single SD UHS-II / CFexpress Type A slot |
| Connectivity | N/A | USB-C (3.2), Bluetooth, Wi-Fi |
Suitability by genre
| Genre | 100-400mm f/5-6.3 DG DN OS Contemporary | A6700 |
|---|---|---|
| Wildlife | ||
| Sports & Action | ||
| Landscape | ||
| Portrait | — | |
| Street | — | |
| Vlogging & Video | — |
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