A visit to a zoo can be satisfying for those who cannot afford going to exotic locations to photograph wildlife. Unfortunately, not all zoos are ‘open-type’; birds and animals are often caged.

Almost every D-SLR image can improve with sharpening; some require more, some less, but nevertheless, sharpening is required. At the same time, every photography book and magazine advises you against over-sharpening. Over-sharpening causes images to go rough.