Focus stacking is a technique commonly used in macro photography to improve the depth of field of your subjects. Focus stacking involves taking multiple photographs of your subject at different focal distances and then...
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Resolving power : ability of the eye, lens or photographic emulsion to determine fine detail. In photography, the quality of the final image is a result of the resolving power of both the lens and the sensitive emulsion. Resolution is expressed in terms of lines per millimeter which are distinctly recorded or visually separable in the final image.