It’s not that the lights aren’t fast enough it’s that above a certain speed your shutter isn’t fully open at one moment, instead it’s a slit travelling across.
The reason your speed light works is because in hss mode it rapidly flashes, effectively creating a constant light during the exposure.
Source: 23 years working at a place called ‘The Flash Centre’
It’s not that the lights aren’t fast enough it’s that above a certain speed your shutter isn’t fully open at one moment, instead it’s a slit travelling across. The reason your speed light works is because in hss mode it rapidly flashes, effectively creating a constant light during the exposure. Source: 23 years working at a place called ‘The Flash Centre’