Compare a standard telephoto lens vs zoom lens in this article on the differences between these two lens types. Find out which is best in what situation and learn which is the ideal lens type for you and your photography.
You might want to get into macro photography, but are unsure of how to use a macro lens, or how they work. This article covers the basics of macro lenses, answering what is a macro lens used for, and helps you to know which macro lens is right for you.
This tutorial covers the definition of pattern, plus gives you lots of examples of pattern photography. Learning the types of pattern will give you a shortcut to improve your composition and final photos.