As someone who is passionate about, you are probably interested in knowing how to include more depth of field in your photos. There is a lot of literature on this subject. If you"re a professional photographer, you"ve probably learned some things about wide angle (shorter focal length) and telephoto lenses (long focal length). For years photography textbooks and magazines have been promoting the idea that a wide-angle lens provides more depth of field compared to a telephoto one. However, if you type "depth of field" on Google, you will soon come across a lot of articles arguing this assumption.
If you"re like me, not only do you love birds, but you are, also, a cat lover. However, according to the rules of nature, these creatures are natural enemies. So, how do you keep the birds that you are trying to lure into your backyard safe from your kitty cat?