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Old 16-06-2020, 06:12 AM
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Don Pensack
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Don Pensack is offline
 
Join Date: Aug 2006
Location: Los Angeles
Posts: 461
Quote:
Originally Posted by BruceF13 View Post
Thanks for that. Rookie question, but why does the viewing deteriorate at higher magnification?

Is it more affected by atmospheric and viewing conditions, or just that it's harder to focus?

Cheers.
An analogy:
Viewing stars is like looking at the pebbles at the bottom of the edge of a pond. When the water is still, you see the pebbles quite sharply. When there is a bit of water movement, you see the pebbles appearing to move back and forth and only be clear for short periods of time. When the water is turbulent, you can barely tell there are pebbles there at all.
The stars are the pebbles, and the atmosphere is the water of the pond covering them.
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