Originally posted by goubejp I haven't seen plastic parts on my copy...
I just guess there is some inside, under the metal (aluminum) barrel, when holding it along with the 31 and 77, just pure guessing since it's a little bit lighter than the two other high-grade lenses. But if you own it, you have a better insight than mine for sure
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As a K3 owner, I like it a lot as a wide angle lens, especially the silent AF and the WR which will enable me to shoot under almost all weather condiions. Considering buying it when it is released.