A] SHUT­TER SPEED

NPhoto - - Special Feature -

The shut­ter speed set­ting de­ter­mines how long the cam­era’s sen­sor is ex­posed to light. The more light there is avail­able, the shorter the ex­po­sure time can be. Very fast shut­ter speeds are mea­sured in thou­sandths of a sec­ond, but ex­po­sure times can stretch into hours in ex­tremely dark con­di­tions, such as when you’re pho­tograph­ing stars in the night sky.

Fast shut­ter speeds have sev­eral ad­van­tages. They can freeze move­ment, al­low­ing you to re­veal de­tail you couldn’t nor­mally see with the naked eye. They also en­able you to take sharp pic­tures while hold­ing the cam­era – at slower shut­ter speeds you may need to fix the cam­era to a tripod to pre­vent the im­age be­ing blurred through cam­era shake.

The ex­tended ex­po­sures af­forded by slow shut­ter speeds al­low you to cap­ture cre­ative mo­tion blur ef­fects, such as turn­ing crash­ing water­falls and waves into a silky-smooth haze.

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