ALL MEGAPIX­ELS ARE NOT EQUAL

HWM (Singapore) - - Test -

One com­mon mis­con­cep­tion is to take Megapixel count to di­rectly equate to sharp­ness and res­o­lu­tion. While that may be true if the size of sen­sors be­ing com­pared is equal, the other mea­sure­ment you should be look­ing at is pixel pitch, which is the size of each light-cap­tur­ing pho­to­site on the sen­sor. The larger the pho­to­site, the more light cap­tured (and so im­age data) which typ­i­cally means a greater dy­namic range. Also, less heat is gen­er­ated, which means less dig­i­tal noise, es­pe­cially at the higher ISOs.

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