Category Archives: Feedback

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Flash Duration of Paul C. Buff AlienBees B800

Flash Duration of Paul C. Buff AlienBees B800

Measurement result for a Paul C. Buff AlienBees B800 studio flash unit (320 Ws) with its shortest flash duration at full charge.

Generated by the FDM-1T flash duration meter.

➤  Courtesy of Douglas Hennessy

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Flash Duration of Paul C. Buff Einstein E640

Flash Duration of Paul C. Buff Einstein E640

Flash duration analysis for a Paul C. Buff Einstein E640 studio flash unit (640 Ws): Measurement results for 9 f-stops (Full charge down to 2.5 Ws).

Generated by the FDM-1T flash duration meter.

➤  Courtesy of Douglas Hennessy

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Flash Duration of Paul C. Buff DigiBee DB800

Flash Duration of Paul C. Buff DigiBee DB800

Measurement result for a Paul C. Buff DigiBee DB800 studio flash unit (320 Ws) with its shortest flash duration at full charge.

Generated by the FDM-1T flash duration meter.

➤  Courtesy of Douglas Hennessy

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Douglas Hennessy About The FDM-1T

I received the meter and have been running tests. I have the opportunity to test it alongside another device capable of metering flash duration. Thus far, I’ve been testing three Nikon Speedlights (SB-800, SB-900 & SB-910). I am very impressed with he results for your unit. I will continue testing and send you the… Read More »

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Carlo Hindian About The FDM-1T

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 »