Flash Technique – The 1st and 2nd curtain explained
A DSLR camera provides the option to fire the flash on the 1st or 2nd/rear curtain, which can produces different photographs in the same conditions. This article explains what it means, and how to use it.
The series of pictures below shows a tennis ball falling down, captured with different settings of flash and ambient light. It put in evidence the influence of setting the flash on the 1st or 2nd curtain.
The rest of the article also explains what are 1st and 2nd curtains, and provides recommendation on which setting is better.
Portrait Photographer based in Eindhoven, the Netherlands. 