I have been using it for almost two years, I am completely satisfied with the lens. And although now there is a T17-50, and Sony 50 / 1,4 I'm not going to sell this device. Traveling is simply irreplaceable. Recommended especially for beginners. Got pros: Indispensable for all occasions. Very convenient for travel. Sharp on almost the entire range. It focuses fairly quickly and confidently. Compact, good design, for almost two years of use nothing has come loose, the trunk does not move out under its own weight, although there is also a latch. Has some cons Pretty strong geometric distortions, from 18 to 24 mm - a barrel, and from 28 to the end - a pillow. Well, chromate around the edges under some shooting conditions. Well, this is a price for versatility, there are no ideal lenses.
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