You do not need a top of the range DSLR camera to produce good images, I have had some excellent results from my Canon G7 compact camera which have been printed at A3 size with no problems. It is more important to know where to point the camera and when to press that shutter button. But the advantage of a DSLR is that you do have more easy control over exposure, plus the main advantage is that you can swap lens.

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Nikon User
Beacon Images - last updated 29th June