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Old 25-10-2005, 04:15 AM
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matt
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Bert

Great pic. I'm new to imaging. Can you explain how you achieve F/32?

I keep seeing people refering to the effective f number of their scope for a pic, but don't know how they achieve it or calculate it?

I'm keen to hear from you since I'm working with exactly the same aperture and f ratio.

Thanks mate.
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