Thread: Refractors vs Reflectors, focal ratio and magnification
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Old 18-06-2009, 11:30 PM
Pat (Patrick)
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Join Date: Jun 2009
Location: Central Coast
Posts: 12
Hello Rob, thanks for the reply.

Is exposure time and imaging time the same thing?

What is the difference between long and short? Clarity?

Still very green with all this.
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