Assertion: lens's stop | /r/HasProperty | -stop increments
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text: Modern electronically controlled interchangeable lenses, such as those used for SLR cameras, have f-stops specified internally in ​1⁄ 8 -stop increments, so the cameras' ​1⁄ 3 -stop settings are approximated by the nearest ​1⁄ 8 -stop setting in the lens.