Cultures all over the world incorporate cumin into their cuisine, and it's often mixed with other spices for curry and taco seasoning. These recipes show how cumin's earthy flavor enriches everything from guacamole to vegetables to meat.
As with the shutter speed, the aperture also affects the sharpness of your picture, but in a different way. Changing the aperture changes the depth of field, the depth in a scene from foreground to background that will be sharp in a photograph.
The aperture of a lens is the second major parameter used in its specification, and describes how much light it is capable of gathering (see our glossary for more detail). Apertures can be expressed in several different ways, with F4, f/4, 1:4 all meaning the same thing.