DA 18-135 ED WR focus question
So I'm fooling with my 18-135 today, and I'm curious about the focus ring. On my other zooms with quick shift, the focus ring has a nice hard stop at infinity focus. Obviously the focus mechanism with the 18-135 isn't the same screw drive as my DA 18-55 WR or DA 50-200 WR, so I'm not shocked to find a difference, but am I missing something with this lens? It sort of feels like I can focus on something nearby, the adjust out to infinity, and feel a slight release of the focus ring (almost like it has a decoupling clutch or something). I assume this is normal, but since i bought the lens used and have no real documentation, i figured I'd ask the forum. Am I understanding this lens correctly or should I seek repair?
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