Black Friday 2018: The best deals in tech roundup
Over this week you can snap up some great deals in everything from PCs to gaming, smartphones, tablets, and more.
How image sensors on digital SLR cameras give a smaller field of view for a photographer.
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Digital difference
The image sensors on most digital SLR cameras are smaller than a frame of 35mm film on an old-school SLR. That means the outer edges of the image aren't registered, and the field of view is effectively narrower.
Caption by: Bill Detwiler
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