%I OPTICAL SOC AMER %L discovery10068134 %J Optics Letters %X This publisher’s note corrects an error in Eq. (3) of Opt. Lett. 44, 503 (2019). %O This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions. %V 44 %A X Huang %A H Yan %A IK Robinson %A YS Chu %T Extending the depth of field for ptychography using complex-valued wavelets (vol 44, pg 503, 2019) %N 3 %P 662-662 %D 2019