An Easy Way To Memorize the F-Stop Scale

Have you ever wondered how much more light an f/1.4 aperture lets in than an f/2.8 aperture? Well the answer might surprise you, because while f/1.4 might seem to be half the size of f/2.8, it actually lets in a total of four times more light. This video presents a great way to visualize and understand how to …

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