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.
Single Lense Reflex, meaning there is a single lens through which the light from the image you are going to capture enters the camera. When setting up the shot, and viewing it with a standard (35mm) SLR camera, the light is reflected by a mirror to the objective lens, where you view what the camera sees. D-SLR camera (Digital-SLR) generally lacks a realtime LCD preview, since the mirror is in the way, although newer DSLR cameras do offer the ability to offer the traditional preview like a standard digital.