<Li> B (bulb) (fraction of second to several hours): Used with a mechanically fixed camera in astrophotography and for certain special effects . </Li> <Ul> <Li> <P> Star trails like these are created by using a long exposure to capture the apparent motion of the stars . </P> </Li> <Li> <P> The Whirligig ride during night at SFGAm at an exposure time of 0.8 seconds . </P> </Li> <Li> <P> Light streaks outside London Waterloo station . </P> </Li> <Li> <P> Effect of different shutter speeds on photograph . </P> </Li> <Li> <P> A 30 - second exposure of the rotating New Technology Telescope </P> </Li> </Ul> <Li> <P> Star trails like these are created by using a long exposure to capture the apparent motion of the stars . </P> </Li> <P> Star trails like these are created by using a long exposure to capture the apparent motion of the stars . </P>

What is shutter speed in camera in hindi