▁works . ▁The ▁image ▁on ▁the ▁left ▁shows ▁the ▁absor ption ▁of ▁colors ▁for ▁each ▁w avel ength ▁as ▁it ▁passes ▁through ▁the ▁sil icon ▁wa fer . ▁The ▁image ▁on ▁the ▁right ▁shows ▁a ▁layer ed ▁sensor ▁stack ▁dep ict ing ▁the ▁colors ▁it ▁detect s ▁at ▁each ▁absor ption ▁level ▁for ▁each ▁output ▁pixel . ▁( The ▁sensor ▁colors ▁shown ▁are ▁only ▁examples .) ▁In ▁practice , ▁the ▁color ▁attributes ▁of ▁each ▁output ▁pixel ▁using ▁this ▁sensor ▁result ▁from ▁the ▁camera ' s ▁image ▁processing ▁algorithms , ▁which ▁uses ▁a ▁matrix ▁process ▁to ▁construct ▁a ▁single ▁R GB ▁color ▁from ▁all ▁the ▁data ▁sens ed ▁by ▁the ▁phot odi ode ▁stack . ▁ ▁In ▁terms ▁of ▁color ▁accuracy ▁( s ometimes ▁referred ▁to ▁as ▁a ▁met amer ism ▁index ), ▁the ▁F ove on ▁X 3 ▁was ▁state ▁of ▁the ▁art ▁at ▁the ▁time ▁of ▁its ▁in vention . ▁ ▁Because ▁the ▁depth ▁of ▁the ▁sil icon ▁wa fer ▁in ▁each ▁of ▁the ▁three ▁sens ors ▁is ▁less ▁than ▁five ▁mic rom eters , ▁it ▁has ▁a ▁neg lig ible ▁effect ▁on ▁foc using ▁or ▁chrom atic ▁aber r ation . ▁However , ▁because ▁the ▁collection ▁depth ▁of ▁the ▁deep est ▁sensor ▁layer ▁( red ) ▁is ▁compar able ▁to ▁collection ▁depth s ▁in ▁other ▁sil icon ▁C M OS ▁and ▁C CD ▁sens ors , ▁some ▁diffusion ▁of ▁electrons ▁and ▁loss ▁of ▁sharp ness ▁in ▁the ▁longer ▁w avel ength s ▁occurs . ▁ ▁Util ization ▁The ▁first ▁digital ▁camera