Home » The A-Z of photography: E Definitions of photography terms beginning with the letter E ED EF (mount) EF-S Electromagnetic daphragm Advertisement Elements EOS Evaluative EX EXIF Exposure compensation Advertisement Extension tube A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z