Dy­namic range ex­plained

Digital SLR Photography - - Photo Skills -

Your cam­era’s dy­namic range is the range of tonal val­ues that it is able to cap­ture in a sin­gle ex­po­sure, with­out clip­ping, from the bright­est high­light to the dark­est shadow. Re­cent DSLRS have fan­tas­tic dy­namic range com­pared to cam­eras from just a few years ago, so why is HDR pho­tog­ra­phy still rel­e­vant? While it’s true that im­ages from mod­ern sen­sors can be res­cued in post- pro­cess­ing, by lift­ing shadow de­tail and re­cov­er­ing high­lights, do­ing so al­ways in­tro­duces some de­gree of added noise. Cap­tur­ing mul­ti­ple ex­po­sures and blend­ing them, be it man­u­ally or via HDR soft­ware, al­lows you to record ‘ clean’ ex­po­sures of the full dy­namic range of the scene.

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