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What is the Maximum F-number?

The Basics:

The maximum f-number refers to the smallest aperture setting that you can select with a lens. The smaller the aperture – and the larger the f number - the greater the depth of field.  Small apertures tend to be used most with landscape photography. It’s also good practice to use a tripod, as the small size of the aperture will demand a much slower shutter speed.
See Aperture for more information.
OTHER WORDS UNDER M