Are you a master of glass?

What is a "fast" lens?

What focal length would be considered "normal" on a full frame or 35mm film camera?

Which of these focal lengths would be found on a "zoom" lens?

Why would someone want a lens with a silent focusing mechanism?

To what does the "fisheye effect" refer?

What makes a lens a "macro" lens?

How can a lens help you get less blurry pictures?

What does "tilt-shift" capability enable you to do?

To what does the focal length of a lens refer?

What does the f-number of a lens actually mean?