Sometimes 18-55 is better than this one, but each has its own shortcomings and the listed shortcomings may seem like nonsense to an inexperienced user, but I would not buy it. Maybe not all 15-135 lenses have such characteristics as mine, but it remains a fact, maybe someone will come across a good copy. This lens is good for shooting outdoors in good weather, but it doesn't do well indoors, especially in low light.