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Message: <blockquote data-quote="DanLegere" data-source="post: 107035" data-attributes="member: 12561"><p>I just got a 50mm AF 1.8D, and when I turn the focus ring fast, it's smooth, but when I turn it slowly, it "jerks"s in small incriminates. Basically if I turn it slowly with one finger, it only turns in increments of ~4mm. It's like it isnt greased enough or something. But if I squeeze the ring it's smoother. Maybe it's warped? I'm guessing it should turn very smoothy like all my other lenses? Camera's switched on manual. Is there a problem and could it ruin my camera focus motor in AFS (D7000)? Should probably just ship it back... <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown    :(" loading="lazy" data-shortname=":(" /></p></blockquote><p></p>