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AVS_SA Mar 22, 2006 2:24 PM

I have read comments that cameras without mirror lock-up (like my D70s) have a bit of vibration due to mirror action that can affect picture quality on slow shutter speeds (1/4s to 1/30s).

If I usea VR lens, does this help? Or is the problem so small anyway that it is only relevant to real pros?


rjseeney Mar 22, 2006 5:06 PM

In theory, yes it should help. However, mirror lock is typically only used while the camera is on a tripod. If you're hand holding, the shake from handholding willbe worse than any shake caused by the mirror anyway. So lets assume you're shooting on a tripod. Vr is not recommended for use on a tripod. The VR compensates for movement that isn't there, and creates a soft image. In other words, you would either be using one function or the other, not using mirror lockup and VR together. Also, VR is most useful for long zoom shots where you can't get the rule of thumb shutter speed of 1/focal length. You typically wouldn't use mirror lockup in these situations anyway.

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