A6700vs Tamron 17-28mm f/2.8 Di III RXD
VS
Tamron
Tamron 17-28mm f/2.8 Di III RXD (2019)
From £649
Best for Landscape, architecture & astrophotography
View Tamron 17-28mm f/2.8 Di III RXD
Which should you buy?
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.
Landscape, Architecture & Astrophotography — Tamron 17-28mm f/2.8 Di III RXD (2019): The compact f/2.8 ultra-wide for Sony FE — lightweight, weather-sealed, and optically excellent at a fraction of Sony's own G-Master price.
Who should buy what
A6700 (2023)
- You want a compact, travel-friendly system without sacrificing autofocus performance
- You're an enthusiast upgrading from an entry-level camera and ready for a more capable body
- You shoot wildlife or sports and want APS-C reach from a lightweight kit
- You create video content and need reliable subject and eye tracking in a small form factor
Quick take: The tamron 17-28mm f/2.8 di iii rxd is the most affordable; only the tamron 17-28mm f/2.8 di iii rxd is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | A6700 (2023) | Tamron 17-28mm f/2.8 Di III RXD (2019) |
|---|---|---|
| Price | £999 | £649 |
| Sensor | 26MP APS-C Exmor R BSI CMOS | f/2.8 (constant max aperture) |
| Resolution | 26.0MP | — |
| Video | 4K/120p, 4K/60p oversampled, S-Log3, 10-bit | 19cm minimum focus distance |
| Autofocus | 759-point phase-detect, AI subject recognition (human/animal/bird/vehicle) | RXD (Rapid eXtra-silent stepping Drive) linear motor |
| Stabilisation | 5-axis IBIS, 5.0 stops | None (relies on body IBIS) |
| Burst Rate | 11fps mechanical, 30fps electronic | — |
| Battery Life | ~570 shots (CIPA) | — |
| Weight | 493g body only | 420g |
| Dimensions | 122.0 × 69.0 × 75.1mm | 75.0 × 99.6mm |
| Weather Sealed | No | Yes |
| Viewfinder | EVF, 2.36M dots | — |
| Screen | 3.0" vari-angle touchscreen | — |
| Mount | Sony E-mount | Sony FE (full-frame E-mount) |
| Memory Cards | Single SD UHS-II / CFexpress Type A slot | — |
| Connectivity | USB-C (3.2), Bluetooth, Wi-Fi | — |
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