The cheapo China RF triggers I have (bought one set and one extra receiver, then not happy with quality control, thus went to change for another brand new receiver) all exhibit WEIRD characters.
BAH. I am going to stick to the higher end ones from now on. Wasted my cash
- It takes 1/40s!* for the signal to be sent from trigger to receiver at 20m** distance! This is weird ain't it? I never knew know that RF signals (433MHz) move so slowly. Or am I missing something here?
- The trigger is useless beyond 15m (Even at 15m missfire occurs roughly 20% of the time). At 20m it is pretty much a touch and go affair.
*(You ask me how I know - well, at 1/60s I fire the camera shutter. I can see the flash fire, but in the final photo the flash is not seen. I.e. shutter closes before the flash fires!)[/B]
**At closer ranges like 5m this is no longer a problem, and I can safely trigger up to 1/200s. But then, at 5m range I might as well use CLS i-TTL right? (Doesn't apply to studio strobes. For Canon E-TTL I am not too sure
Image for your reference. 15m