The Only Lens Tutorial You'll Need (Plus: Vikings)Brian Barrett8/16/11 12:00amFiled to: Photographywatch thisLensesApertureFocal Lengthdepth of fieldTutorialTutorialsPhotosLensPhotoVideo43EditPromoteShare to KinjaToggle Conversation toolsGo to permalink Lenses. They're your most powerful photographic tool, if you know how to harness their mighty power (and manage not to shatter them). And you know what? Chances are that even if you think you're a lensmaster, you've still got a lot to learn. And these guys are going to teach you.