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CESDewar
GorillAstronomer
Reged: 01/16/05
Posts: 1734
Loc: Morganton, GA, USA
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Re: New Canon 15x50 IS!!! Don't like em...
05/08/08 09:30 PM
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The stabilization is optical, not digital.
But it works best if you don't leave it engaged all the time. The best way to use Canon IS's is to frame the view, focus and then engage the IS - that will result in the fewest artifacts appearing in the view. Pointing the binoculars at the horizon and engaging the IS, then focussing, then pointing at the Zenith is probably the "best" way to show up the IS artifacts.
The IS system does introduce some degradation, but it should be minimal when compared with the degradation introduced by normal handshaking when holding the binoculars. If you don't see a dramatic improvement in visibility when engaging the IS, then I agree with other posters who suggest you may just have a bad pair.
The 18x50's I have are superb - not only are they optically among the best binoculars I've ever used (and I have a pair of TAK Astronomers and Leica UltraVids), but the IS system is just a pleasure to use. At 18x, handheld, a wealth of DSO's become available for viewing. There are few objects visible in my smaller scopes that I can't see and enjoy in these binoculars as well and the relatively wide FOV and flat field is a big plus.
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