Photopedia: The Ultimate Digital Photography Resource

8. Using Different Lenses

The lens is the optical component of your digital camera—in other words, your camera’s eye. The image that the lens “sees” determines to a large degree what your final picture looks like.

All digital cameras have lenses, of course. Most point-and-shoot and prosumer cameras have zoom lenses, which let you vary the focal length of the lens by some order of magnification; these lenses are not removable. Some digital cameras, ...