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Message: <blockquote data-quote="Sandpiper" data-source="post: 710463" data-attributes="member: 269">Hi David,I have a Sony PC-330E camcorder which has a 10x optical zoom lens and a 37mm filter thread. This I use with an Eagle Eye Digiscoping Eyepiece which equates to 12x on my scope. With this combination I can use most of the zoom range on the camcorder with very little vignetting. The only problem I have is around 8-9x zoom when the lens seems to vignette slightly.Shooting even at the highest combined magnification, (120x), the resulting image is sharp although it loses a little contrast in poor light conditions. If I use about half the camcorder zoom the image quality is improved. Needless to say you need a sturdy tripod to avoid the enhanced camera shake caused by the high magnification.Sandpiper</blockquote>