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.
Digital zoom was used to make the middle photo from the top photo, image quality is lost, while the lens was zoomed-in optically for the bottom photo, no quality is lost. Typically, the digital zoom would not be available until after the optical zoom had been exhausted. Digital zoom is a method of decreasing the apparent angle of view of a digital photographic or video image. Digital zoom is accomplished by cropping an image down to a centered area with the same aspect ratio as the original, and usually also interpolating the result back up to the pixel dimensions of the original.