The USM variant foc The mm focal length is optimized for the full frame sensor, as the Canon crop sensor of 16x creates a focal length equivalent of mm The long end is appealing, but 384mm is not particularly wide The EFS mm STM isIn conclusion, as much as the can be a good general purpose lens (wider range, probably lighter weight than the L), that little L really makes the difference in the long run, especially in terms of build quality Again, one might argue that a lens like the EFS 1755 f/28 IS is a great lens and should be made L
Sony E 18 135mm F 3 5 5 6 Oss Review Ephotozine