Q&A: Why are my images sharper with a lens with a larger aperture?

Lenses with a larger aperture are called faster lenses.  Look at the image below and think about it.  When a camera focuses, it uses the light coming through the lens to focus.  The more light that comes through the lens the more information the camera sensor has to use to focus the lens.  The aperture … Continue reading Q&A: Why are my images sharper with a lens with a larger aperture?

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