Bar­rel dis­tor­tion

Photo Plus - - A-Z Guide -

Bar­rel dis­tor­tion is a lens fault or aber­ra­tion that causes straight, par­al­lel lines in an im­age to bow out­ward, and is seen when shoot­ing with wide-an­gle lenses. The wider the lens, the greater the dis­tor­tion. The ap­pear­ance is sim­i­lar to the ef­fect you’d see if an im­age was wrapped around a bar­rel. It can be cor­rected us­ing post-cap­ture soft­ware.

In Av mode, you se­lect the aper­ture while the cam­era au­to­mat­i­cally selects shut­ter speed for a good stan­dard ex­po­sure

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