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Old 20-12-2011, 12:45 PM
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multiweb (Marc)
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Join Date: Oct 2007
Location: Sydney
Posts: 22,077
Quote:
Originally Posted by mldee View Post
At the moment the Hyperstar is the only scope I have that requires me to go outside to refocus. God forbid I venture outside too often at night.
You might want to look into a CF tube for your C8. I converted my C11 and it keeps focus a lot longer. With the old alu tube I had to refocus every 30min at the beginning of the night when the temperature drops most rapidly. I also now use the old alu tube as a dew shield as it obviously fits the inside of front corrector cell. The added benefit with the hyperstar + dewshield is that the heat flow generated by the back of the camera helps keep the corrector dew free and I usually don't have to use any dew heaters.
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