Every photographer at one point will be asked to freeze motion.
It is at that moment, when commonly held assumptions and manufacturer’s claims are revealed to be false or greatly exaggerated.
One common belief amongst photographers is that by decreasing power output flash duration decreases. Though somewhat true many units have a minimum flash… Read More »
Brightness-based flash duration analysis for a Rollei HS Freeze Portable flash unit over 9 f-stops (power settings: 1/256 up to 1/1) in Normal Mode.
Generated by the FDM-1T flash duration meter.
Exposure-based flash duration analysis for a Rollei HS Freeze Portable flash unit over 9 f-stops (power settings: 1/256 up to 1/1) in Freeze Mode.
Generated by the FDM-1T flash duration meter.
Brightness-based flash duration analysis for a Godox Witstro AD400 Pro studio flash unit (400 Ws) over 9 f-stops (power settings 1/256 up to 1/1).
Generated by the FDM-1T flash duration meter.
As an additional feature, the flash unit displays the t0.1 flash duration value to be expected for the chosen power setting.
The following… Read More »
Exposure-based measurement result for a Cullmann CUlight FR 60C flash unit in HSS mode.
Generated by the FDM-1T flash duration meter.
Exposure-based measurement result for a Nissin i60A flash unit in HSS mode.
Generated by the FDM-1T flash duration meter.