fbpx

DIY Photography

Hacking Photography - one Picture at a time

Search

Submit A Story

The Sigma EF-500 flash – Light duration vs. output power

by Leave a Comment

The measurements in the below table help to illustrate the amount of time that the flash is emitting light in each of its various power setting. This time is crucial when taking high speed photos.

Measurements were done with a Photo-diode, oscilloscope set to 50ohm.

 

1/1 Output power
light_duration_vs_output_power_ef500-1
1/2 Output power light_duration_vs_output_power_ef500-2
1/4 Output power light_duration_vs_output_power_ef500-4
1/8 Output power light_duration_vs_output_power_ef500-8
1/16 Output power light_duration_vs_output_power_ef500-16
1/32 Output power light_duration_vs_output_power_ef500-32
1/64 Output power light_duration_vs_output_power_ef500-64
1/128 Output power light_duration_vs_output_power_ef500-128

 

contributed by Karsten Stroemvig (aka Lullaby)

Related posts:

Default ThumbnailDIY – Sound Trigger for the Sigma EF-500 Flash Default ThumbnailDIY – Universal Sound and Optical Slave Flash Trigger Default ThumbnailStudio Lighting – DIY: Home-made Power Pack Flashes (Part I) Considering a Godox? Here is what you need to know about power

About Udi Tirosh

Udi Tirosh is the Founder and Editor in Chief of DIYPhotography, he is also a photographer, a relentless entrepreneur, a prolific inventor and a dad, not necessarily in that order

Recent Posts