Review light, lens, and zoom concepts – the aperture is part of the lens.”F-stops” the numbers associated with each size is an inverse relationship, which can be confusing.
demonstrate shining light through an actual lens.
Also known as deep focus Landscape, architectural, large group portrait photography usually have a large depth of field. Small aperture openingThis picture was taken with a shorter lens with a very small aperture (F-22)opening and also used a tripod.
Also known as shallow focusMacro or close-up photographyLarge apertureCan also be accomplished by increasing focal length. This picture was taken with a medium range lens with a very large aperture (F-1.8)