Light in Photography - LIGHTING - FLASH LIGHTING -

Rear Curtain

if the shutter speed of the camera is slow enough - perhaps ¼ sec and also the flash goes off during this exposure - you will find in effect the image is a combination the flash which topes the action and the actual shutter speed which tends to record the subject as a blur. This is often termed real or front cutain. It gives the image a very interesting effect

Want to learn more? - do a workshop or one on one with Lloyd Godman