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Old 07-30-2010, 04:45 PM
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ShaolinTiger ShaolinTiger is offline
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Originally Posted by izso View Post
Question : If I want really super blur bokeh background (F1.8), how then would I take a portrait shot that's sharp enough?
It's a fine balance between lens performance, subject distance and technique.

If the lens is 50mm f/1.8 for example, it's not going to be particularly sharp at f/1.8 - you'd have to stop down to f/2.2 for example and preferably f/3.2 to get reasonable sharpness.

What you can do is place your subject close to your camera and place the background further away.

You can also use a longer lens eg 85mm f/1.8 to get more telephoto compression and better bokeh with a similar composition.

There's also other factors to take into consideration of course (shutter speed, lighting levels, optimum ISO, lighting angle, lens quality, focal accuracy and so on).
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