OS ▁ 7 0 0 D / R eb el ▁T 5 i ▁and ▁ 1 0 0 D / R eb el ▁SL 1 . ▁It ▁has ▁a ▁different ▁optical ▁formula ▁from ▁that ▁of ▁any ▁previous ▁Can on ▁ 1 8 – 5 5 mm ▁l ens , ▁and ▁includes ▁Can on ' s ▁ST M ▁( ste pping ▁motor ) ▁technology , ▁claimed ▁by ▁the ▁company ▁to ▁offer ▁qui eter ▁continuous ▁aut of ocus ▁while ▁shooting ▁video ▁when ▁attached ▁to ▁bodies ▁that ▁have ▁Can on ' s ▁hy brid ▁aut of ocus ▁sensor ▁technology . ▁The ▁ST M ▁is ▁also ▁the ▁first ▁ 1 8 – 5 5 mm ▁version ▁with ▁an ▁internal ▁foc using ▁design . ▁At ▁introduction , ▁it ▁was ▁offered ▁as ▁a ▁k it ▁l ens ▁on ▁both ▁the ▁ 7 0 0 D ▁and ▁ 1 0 0 D ; ▁it ▁has ▁since ▁become ▁one ▁of ▁two ▁alternative ▁k it ▁l enses ▁for ▁the ▁ 7 0 D . ▁ ▁EF - S ▁ 1 8 – 5 5 mm ▁ 4 – 5 . 6 ▁IS ▁ST M ▁On ▁ 1 4 ▁February ▁ 2 0 1 7 , ▁the ▁ 1 8 – 5 5 mm ▁ 4 – 5 . 6 ▁IS ▁ST M ▁was ▁announced ▁alongside ▁the ▁E OS ▁ 8 0 0 D / R eb el ▁T 7 i , ▁ 2 0 0 D , ▁and ▁the ▁ 7 7 D . ▁It ▁has ▁a ▁different ▁optical ▁formula ▁from ▁that