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Old 07-06-2020, 08:45 PM
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gaseous (Patrick)
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Join Date: May 2016
Location: Brisbane
Posts: 650
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?


The former - unless the conditions are fantastic, you get to a point where you're just magnifying all the turbulence caused by upper atmosphere air currents, water vapour/dust particles, etc. This may present as an inability to focus, but you're really just zooming in too far into the "murk" to enable a clear picture.
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