TT685 II TTL Speedlitevs A6600
Godox
TT685 II TTL Speedlite
Starting from £89 new
Best for Portrait, wedding & event photography
View TT685 II TTL Speedlite
Sony
A6600 (2019)
Starting from £1299 new
Best for Hybrid photography, travel & video on Sony APS-C
View A6600
GearScore™ Verdict — Which should you buy?
Portrait, Wedding & Event Photography — TT685 II TTL Speedlite: The best value TTL speedlite available. Full TTL, HSS and Godox X wireless at £89 — works seamlessly alongside a V1 Pro as a slave unit. The standard choice for reliable flash without overspending.
Hybrid Photography, Travel & Video On Sony Aps-C — A6600 (2019): The APS-C Sony that has everything — IBIS, real-time Eye AF, excellent battery life, and 4K/30p in a weather-sealed body.
Who should buy what
TT685 II TTL Speedlite
- Portrait photographers who want a second flash for two-light setups
- Wedding photographers who need a reliable backup speedlite
- Photographers new to flash who want TTL simplicity
- Anyone adding a second Godox light to an existing V1 Pro system
A6600 (2019)
- Sony APS-C shooters who need IBIS — the only A6000-series body to offer it
- Hybrid photographers who want the best of stills and video from a compact E-mount body
- A6400 or A6100 owners who want IBIS and a headphone jack for video work
- Travel photographers who need compact full-featured weather-sealed performance
Quick take: The tt685 ii ttl speedlite is the most affordable; only the a6600 is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | TT685 II TTL Speedlite | A6600 (2019) |
|---|---|---|
| Price | £89 | £1,299 |
| Sensor | — | 24.2MP APS-C Exmor CMOS |
| Resolution | — | 24.2MP |
| Video | — | 4K/30p (no crop), 1080p/120p |
| Autofocus | — | Real-time Eye AF, real-time tracking — inherited from A9 |
| Stabilisation | — | 5-axis IBIS — 5 stops |
| Burst Rate | — | 11fps continuous with AF/AE |
| Battery Life | — | ~810 shots (CIPA) — large NP-FZ100 battery |
| Weight | 420g (with batteries) | 503g body only |
| Dimensions | Standard speedlite form factor | 120 × 66.9 × 69.3mm |
| Weather Sealed | No | Yes |
| Viewfinder | — | EVF, 2.36M dots, 0.70× magnification |
| Screen | — | 3.0" touchscreen, tilting |
| Mount | — | Sony E-mount (APS-C) |
| Memory Cards | — | Single SD UHS-I slot |
| Connectivity | 2.4GHz Godox X wireless system (TTL, HSS, remote control) | USB-C, Bluetooth, Wi-Fi, 3.5mm mic & headphone jacks |
Suitability by genre
| Genre | TT685 II TTL Speedlite | A6600 |
|---|---|---|
| Portrait | — | |
| Travel | — | |
| Vlogging & Video | — | |
| Street | — | |
| Wildlife | — | |
| Sports | — |
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