Selective focus is a photographic effect that places one area of an image in sharp focus while blurring the rest. Traditionally you'd achieve this effect with special camera lenses; with the advent of ...

Photographers may invest a lot of money in lenses that produce sharp images, but they often fail to capitalise on their investment by not applying sharpening post-capture. Photographers may invest a ...

Enlarging an image generally produces blurry results, because you're attempting to add information to fill the expanded space. GIMP's Scale Image feature minimizes this effect by interpolating pixels ...