Category Archives: Feedback

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Flash Duration of Godox TT685S

Flash Duration of Godox TT685S

Flash duration analysis for a Godox TT685S flash unit at 1/32, 1/64 and 1/128 of full charge.

Generated by the FDM-1T flash duration meter.

Standard visualization has been configured to show the luminous exposure (in lux-seconds) induced by the measured flash as an additional value at the bottom of the screen.

➤  Courtesy of David… Read More »

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Flash Duration of Elinchrom ELB 400

Flash Duration of Elinchrom ELB 400

Measurement results for an Elinchrom ELB 400 studio flash unit (424 Ws).

Quadra HS Head at full charge (t0.1 [sec]): 1/187
Quadra Action Head at 140 Ws (t0.1 [sec]): 1/1713

Generated by the FDM-1T flash duration meter.

Standard visualization has been configured to show the luminous exposure (in lux-seconds) induced by the measured… Read More »

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Flash Duration of Norman ML400

Flash Duration of Norman ML400

Flash duration analysis for a Norman ML400 studio flash unit (400 Ws) at full charge followed by -1 and -2 f-stops.

Generated by the FDM-1T flash duration meter.

Standard visualization has been configured to show the luminous exposure (in lux-seconds) induced by the measured flash as an additional value at the bottom of the… Read More »

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Flash Duration of Nikon Speedlight SB-900

Flash Duration of Nikon Speedlight SB-900

Flash duration analysis for a Nikon Speedlight SB-900 flash unit: Measurement results for 8 f-stops (Full charge down to 1/128).

Generated by the FDM-1T flash duration meter.

➤  Courtesy of Douglas Hennessy

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Flash Duration of Nikon Speedlight SB-910

Flash Duration of Nikon Speedlight SB-910

Flash duration analysis for a Nikon Speedlight SB-910 flash unit: Measurement results for 8 f-stops (Full charge down to 1/128).

Generated by the FDM-1T flash duration meter.

➤  Courtesy of Douglas Hennessy