Why do koalas spend so much time sleeping? Koalas need to conserve as much energy as possible, as the energy value of their diet is low. Koalas generally sleep for about 16 to 18 hours a day. A common misconception is that they are âstonedâ after eating the eucalypt leaf. This is not so.
HDR is an abbreviation for high dynamic range between the darkest and the lightest parts of an image. An HDR photo displays maximum details for recreating all the memories and get you back to the moments of shooting. HDR Photography is a science and an art.
A DSLR with this feature is often known as an HDSLR or DSLR video shooter. The first DSLR introduced with an HD movie mode, the Nikon D90, captures video at 720p24 (1280x720 resolution at 24 frame/s). Other early HDSLRs capture video using a nonstandard video resolution or frame rate.