Quote:
Originally Posted by ianpinion
Would somebody please explain simply why light diffracts through a lens using an aperture of f16 or smaller and what effect it has on you image?
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Light bounces off the aperture blades and gets splattered onto the sensor instead of precisely directed. The narrower the aperture is the greater the area of the blades there is in the way of the light, and so more light is scattered about, and that reduced the sharpness.