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<blockquote data-quote="D200freak" data-source="post: 539799" data-attributes="member: 41018">I can't say what's the issue with your camera and lens but I'd ask this:Does your camera give any error messages when it won't focus?Does it focus the second, third, fourth, fifth, whatever time you press the shutter release button to the first detent, if you don't tweak the lens by hand first?Or do you HAVE to touch the lens before it starts working?I will tell you from my own experiences with an AF-S 14-24mm F/2.8 lens, which has an SWM,&nbsp; and which I repaired myself,&nbsp; that sometimes the SWM will tend to &quot;go to sleep&quot; and I have to wake it up by twisting the manual focus ring back and forth a time or two and then it works like it should. I can tell you that the SWM is a great system when it works right, but in my admittedly limited experience, it seems to be somewhat problematic. I have an 18-70 (DX) SWM lens that I attempted to repair, and put a second control board into, and it was whacko before I attempted to repair it and it's still whacko with a known good control board in it.&nbsp; It just goes back and forth from minimum range to infinity and never locks on If the SWM was so totally awesome and foolproof,&nbsp; then the latest incarnation of the Nikon 18-55mm VR II lens would not use a stepper motor&nbsp; (P designation,&nbsp; it's an AF-P, the first of its type) but would use the &quot;tried and (maybe not so) true&quot; SWM motor.&nbsp; &nbsp; In my opinion. My suggestion to you is for you to visit your local camera store and try out the new AF-P 18-55mm lens and if they have a good return/exchange policy,&nbsp; just go ahead and buy it.&nbsp;&nbsp; If it misbehaves during the return/exchange period,&nbsp; take it back.&nbsp;&nbsp; If it doesn't,&nbsp; consider your problem solved.</blockquote>

[QUOTE="D200freak, post: 539799, member: 41018"] I can't say what's the issue with your camera and lens but I'd ask this: Does your camera give any error messages when it won't focus? Does it focus the second, third, fourth, fifth, whatever time you press the shutter release button to the first detent, if you don't tweak the lens by hand first? Or do you HAVE to touch the lens before it starts working? I will tell you from my own experiences with an AF-S 14-24mm F/2.8 lens, which has an SWM, and which I repaired myself, that sometimes the SWM will tend to "go to sleep" and I have to wake it up by twisting the manual focus ring back and forth a time or two and then it works like it should. I can tell you that the SWM is a great system when it works right, but in my admittedly limited experience, it seems to be somewhat problematic. I have an 18-70 (DX) SWM lens that I attempted to repair, and put a second control board into, and it was whacko before I attempted to repair it and it's still whacko with a known good control board in it. It just goes back and forth from minimum range to infinity and never locks on If the SWM was so totally awesome and foolproof, then the latest incarnation of the Nikon 18-55mm VR II lens would not use a stepper motor (P designation, it's an AF-P, the first of its type) but would use the "tried and (maybe not so) true" SWM motor. In my opinion. My suggestion to you is for you to visit your local camera store and try out the new AF-P 18-55mm lens and if they have a good return/exchange policy, just go ahead and buy it. If it misbehaves during the return/exchange period, take it back. If it doesn't, consider your problem solved. [/QUOTE]

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