The train started its trial run with a 30 km per hour speed and accelerated to 90 km per hour.Once completed, the Dh15.5 billion Dubai Metro will be the worlds largest automated driverless Metro system, with Green and Red Lines extending 75 kilometres and consisting of 47 stations, including 10 underground stations.
Confidence votes 3. 3x optical zoom and 5x digital zoom are standard features on most mid-range pocket digital cameras. A better optical zoom capability would be 6x or 8x optical.The digital zoom capability can be ignored, since all it does is crop and expand your image, necessarily reducing its resolution.onfidence votes 3. 3x optical zoom and 5x digital zoom are standard features on most mid-range pocket digital cameras. A better optical zoom capability would be 6x or 8x optical.
Most people who have used a 35mm camera or an APS camera are aware of only optical zoom. Optical zoom uses the optics (lens) of the camera to bring the subject closer. Digital zoom is an invention of digital video cameras. It is not uncommon to see digital videocams with 300x digital zoom. For our purpose, digital zoom is not really zoom, in the strictest definition of the term. What digital zoom does is take a central portion of the image and enlarging it, thus âsimulatingâ optical zoom. In other words, the camera crops a portion of the image and then enlarges it back to size.