The photographer

Olmos works as a freelance photojournalist for UK newspapers like The Observer, and he's also the author of a grimly titled book of street photography called The Landscape of Murder. Each page of this work documents a street corner, lamppost or other grimy spot where a Londoner has met a violent and premature end. Each image tells a story of tragedy, observed through the eyes of a Mexican who migrated to London in the mid-'90s and emphasized through the careful and deliberate use of shadows and manual exposure.

Misery is an interesting choice of theme for a man who's actually the merriest and prone to laughter of all three photographers we'll meet in this series. Olmos laughs a lot during our day with him, and -- as you'll see in the video above -- he's happy to share and explain the joy he finds in his work.

As it turns out, the gloominess of his photos comes not from his own mood, and not even necessarily from the people he photographs. Instead, a large part of the emotion in Olmos' images comes from the very deliberate way he uses his camera: Canon's ever-popular DSLR, the EOS 5D Mark II. (Now superseded by the Mark III at $3,500, although Olmos isn't bothered about upgrading.)