Thread: Is better tracking required for long focal lengths?
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Old 21-01-2013, 02:43 PM
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alistairsam
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Quote:
Originally Posted by Shiraz View Post
Doubt that a longer guide fl would help - easy to test with a Barlow though.

regards Ray
Hi,
would the barlow need to be at a specific distance from the qhy5 sensor?
Thanks
Last edited by alistairsam; 21-01-2013 at 03:39 PM.
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