
Godox TT600S
Score: 57/100
Photoolex FK310
Score: 78/100Rankings

The Photoolex FK310 LCD Speedlite adds an LCD panel and a rich accessory set to the solid GN33, 22-level manual flash platform, but it still lacks TTL and high-speed sync.

The Godox TT600S is a manual-only speedlite designed for Sony cameras, offering a GN60 guide number, built-in 2.4 GHz X wireless radio, and high-speed sync up to 1/8000 s when used off-camera. It combines strong output and extensive wireless features with a solid build, but lacks TTL and on-camera HSS.
| Attribute | ![]() | ![]() |
|---|---|---|
60 mbest | 33 m | |
| ↓ lower better | 2.6 sbest | 2.8 s |
2,500 mAhbest | — | |
230 flashesbest | — | |
| ↓ lower better | 500 gbest | — |
100 mbest | — | |
22 levelsbest | 22 levelsbest | |
32best | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Features(1) | ||
Flash Modes | Manual, Multi, S1, S2 | Manual, Multi Flash, S1, S2 |
Performance(3) | ||
Guide Number (m) | 60 m | 33 m |
Recycle Time (s) | 2.6 s | 2.8 s |
Flash Duration (s) | 0.00005 s | 1/200-1/20000 s |
Accessories(1) | ||
Included Accessories | Diffuser panel; Focus assist lamp; Buzzer | 12 color filters, stand, pouch, diffuser, instruction manual |


Products in the top-left offer the best value (high score, low price).

Professional reviewers consider the TT600S a budget-friendly entry into Godox's X wireless ecosystem, highlighting its strong GN60 output, 360° swivel, and the unusual inclusion of off-camera HSS, while noting that the lack of TTL restricts its usefulness for fast-moving event work.
Everyday users overwhelmingly praise the flash for its value, reliable wireless range, and flexible head rotation, often citing the HSS capability and sturdy build as standout features. Common complaints revolve around the manual-only operation, the inability to use HSS on-camera, and the reliance on AA batteries that can deplete quickly.

Professional editors view the PHOTOOLEX FK310 as a solid manual flash aimed at enthusiasts and semi-professionals who value precise control and extra features like an LCD panel, while noting its lack of TTL, HSS and built-in radio wireless.
Users like the strong output, intuitive LCD and included accessories, but miss TTL automation and report occasional issues with optical slave triggering on newer cameras.
“Perfect for off-camera flash on a budget.”

“HSS works great with my X1T-S trigger - I can shoot wide open in daylight.”

“The 360° swivel is a game-changer for bounce lighting.”


