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.
When you put a 2x teleconverter on a fast, constant aperture f/4 70-210 zoom you wind up with a useless f/8 lens. The f/8 equivalent is useless for two reasons: 1.) The f/8 is too slow to allow autofocus to work correctly, and 2.) f/8 requires long exposure times.