Noun
exposure of a film for a relatively long time (more than half a second)
Source: WordNettime-exposure
A time exposure shows runners in motion at the start of the 2020 L.A. Marathon at Dodger Stadium. Source: Internet
The King Edward Hotel and some passing vehicles, courtesy a cool time-exposure shot. Source: Internet
Stars in the northern sky describe circular arcs around the North Star in this 45-minute time exposure. Source: Internet
While no tail was visible in my glass it was obvious in short time-exposure photos and through the telescope. Source: Internet