I bought for a Canon 550D camera as a universal lens instead of a whale Canon 18-55. I got what I wanted, and a wide angle and zoom, almost twice as large as that of a whale. The focusing speed and sharpness itself do not differ from the whale Canon 18-55, in fact, more than 700 dollars only for a greater difference in focal lengths. Oh yes, the motor is still not buzzing. On the other hand, there are no cheaper lenses with such characteristics. Since I knew all this before the purchase, I can say that I am satisfied with the purchase.
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