How does the VRII work?

The highlight of AF-S DX VR Zoom-Nikkor 18-200mm f/3.5-5.6G IF-ED is the benefit of improved Vibration Reduction (VRII), an innovation that makes it possible to take substantially sharper handheld pictures at slower shutter speeds than would otherwise be possible. With the new VRII advantage, users can take pictures at shutter speeds as much as 4 stops slower* than they ordinarily could shoot without camera shake with a non-VR lens! Examples below show you how the VRII works in actual shooting.
*Under Nikon measurement conditions.
 
Handheld Telephoto Shots
VR ON VR OFF
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Camera:

Nikon D200

Focal length:

200mm (The picture angle is equivalent to a 300mm lens in 35mm format.)

Shutter Speed:

1/50 second

Aperture:

f/9

Sensitivity:

ISO100

 
Night Landscape
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Camera:

Nikon D200

Focal length:

18mm (The picture angle is equivalent to a 27mm lens in 35mm format.)

Shutter Speed:

1/5 second

Aperture:

f/3.5

Sensitivity:

ISO100

 
Viewfinder image movie