Sony Corp. on Wednesday said operating profit jumped 16 percent in its strongest-ever result for a second quarter, as robust sales of image sensors offset a tumble in earnings from its gaming division.

The results, which beat estimates, prompted the entertainment and electronics firm to lift its full-year profit outlook although that still fell short of record levels attained last year.

Demand for smartphone image sensors has grown as phone manufacturers introduce multiple-lens camera systems for high-end models — a key differentiator as improvements in other phone functions and features have slowed.