I have to say, this is pretty cool. Canon has set up a virtual EOS DSLR on its website, along with controls for aperture, shutter speed, and ISO. You can choose manual settings, shutter priority, or aperture priority.
There is a scene of toys on a bedroom floor, including a plane with a rotating propeller. After you make the adjustments you want, click the light blue shutter release and you'll get the image you created via your settings.
So if you choose shutter priority, for example, and choose a shutter speed of 1/2000ths of a second, in your photo the propeller will be perfectly still. Under aperture priority, set an f- stop of 16 and even the jack-in-the-box in the background will be in focus. A high ISO introduces grain (make sure you decrease the light you're letting in.)
Check out the examples shown on the gray tab on the left. Have fun, and let me know if you see anything that works particularly well or doesn't seem quite accurate.
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