▁S igma ▁SD 1 0 ▁camera , ▁has ▁been ▁character ized ▁by ▁two ▁independent ▁review ers ▁as ▁no is ier ▁than ▁the ▁sens ors ▁in ▁some ▁other ▁D SL R s ▁using ▁the ▁Bayer ▁sensor ▁at ▁higher ▁ISO ▁film ▁speed ▁equival ents , ▁and ▁specifically ▁chrom a ▁noise ▁has ▁been ▁noted . ▁Another ▁has ▁noted ▁higher ▁noise ▁during ▁long ▁expos ure ▁times . ▁However , ▁these ▁review ers ▁offer ▁no ▁opinion ▁as ▁to ▁whether ▁this ▁is ▁an ▁inher ent ▁property ▁of ▁the ▁sensor ▁or ▁the ▁camera ' s ▁image - processing ▁algorithms . ▁ ▁With ▁regards ▁to ▁the ▁S igma ▁SD 1 4 , ▁which ▁uses ▁a ▁more ▁recent ▁F ove on ▁X 3 ▁sensor , ▁one ▁rev iewer ▁jud ged ▁its ▁noise ▁levels ▁as ▁r anging ▁from ▁" very ▁low " ▁at ▁ISO ▁ 1 0 0 ▁to ▁" mod er ate " ▁at ▁ISO ▁ 1 6 0 0 ▁when ▁using ▁the ▁camera ' s ▁Raw ▁image ▁format . ▁ ▁Com parison ▁to ▁Bayer ▁filter ▁sens ors — actual ▁samples ▁S igma ' s ▁SD 1 4 ▁site ▁has ▁gall eries ▁of ▁full - resol ution ▁images ▁showing ▁the ▁color ▁produced ▁by ▁the ▁current ▁state ▁of ▁F ove on ▁technology . ▁The ▁ 1 4 - MP ▁F ove on ▁chip ▁produces ▁ 4 . 7 ▁MP ▁native - size ▁R GB ▁files ; ▁ 1 4 - MP ▁Bayer ▁filter ▁cam eras ▁produce ▁a ▁ 1 4 ▁MP ▁native ▁file ▁size ▁by ▁interpolation ▁( i . e ., ▁dem osa