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Forum List | Follow Ups | Post Message | Back to Thread Topics | In Response To Posted by Glenn Muller on February 28, 2002 19:54:21 UTC |
Something that many new scope owners forget is that their scope needs time to cool to the outside air temperature. If you brought your 12.5 from inside into freezing temps, then the tube currents, and heat waves on that fairly large mirror, could take a few hours to settle down.
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