What operation on a camera could possibly be more simple than pressing the shutter button to take a picture? There’s not much to it, really – you look through the viewfinder (or at the LCD screen on the back of the camera), press a button with your index finger, wait for the camera to focus,
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DigitalRev’s Kai compares the Canon EF 70-200mm f/2.8L II to the Tamron 70-200mm f/2.8 Di VC USD. That’s $2,200 (Canon) vs $1,500 (Tamron). I won’t spoil the video review but let’s say that the Tamron holds up to 95% of the Canon.
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Astrophotography is a hobby rapidly gaining popularity thanks to the fast advancing CMOS sensor technology. Over a decade ago, the light recording material employed in astrophotography was primarily chemical emulsion. Its low sensitivity makes it very hard to record the weak signal from deep space.
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