▁with ▁an ▁extreme ▁speed ▁of ▁f / 1 . 2 . ▁Because ▁of ▁the ▁large ▁a pert ure ▁size ▁and ▁its ▁image ▁stabil isation ▁system ▁it ▁is ▁possible ▁to ▁take ▁images ▁with ▁relatively ▁short ▁expos ure ▁time ▁especially ▁in ▁available ▁light ▁situations . ▁T ogether ▁with ▁the ▁high ▁number ▁of ▁nine ▁dia ph rag m ▁bl ades ▁the ▁l ens ▁creates ▁a ▁strong ▁and ▁pleasant ▁bo ke h . ▁ ▁Market ▁position ▁ ▁No ctic ron ▁l enses ▁are ▁slower ▁than ▁No ct il ux ▁l enses ▁( f / 0 , 9 5 ▁or ▁f / 1 , 0 ) ▁and ▁faster ▁than ▁the ▁Le ica - l enses ▁with ▁the ▁brand ▁name ▁Sum mil ux ▁( f / 1 , 4 ), ▁Sum mic ron ▁( f / 2 , 0 ) ▁and ▁El mar it ▁( f / 2 , 8 ). ▁ ▁Description ▁ ▁No ctic ron ▁prime ▁l enses ▁are ▁offered ▁as ▁exchange able ▁l enses ▁for ▁the ▁Micro ▁Four ▁Third s ▁system ▁( M FT ). ▁At ▁phot ok ina ▁ 2 0 1 2 ▁the ▁model ▁L um ix ▁Le ica ▁D G ▁No ctic ron ▁ 1 : 1 , 2 / 4 2 . 5 ▁mm ▁ASP H ▁was ▁announced , ▁and ▁it ▁is ▁available ▁since ▁ 2 0 1 4 . ▁ ▁Le ica ▁l enses ▁with ▁the ▁model ▁name ▁attribute ▁D G ▁are ▁made ▁by ▁Pan ason ic ▁under ▁lic ence . ▁ ▁The ▁l ens ▁has ▁a ▁foc uss ing ▁as