What kind of lens do I need, and what do all the numbers mean on the lens?

Time for a video presentation to show you how to choose a lens, and what can I learn from all those numbers on the lens. Here is a review of those charts that was presented in the video: I want to review those charts I made during this video so you had them for futureContinue reading “What kind of lens do I need, and what do all the numbers mean on the lens?”