29 Jun
2010
29 Jun
'10
12:10 p.m.
So, the article says it does improve performance? Who wrote it?
the 100mm makes it f30?
On 28 Jun 2010, at 16:09, erikhansen@thebluezone.net wrote:
I m still trying to figure out where the idea of combining the Coronado and DayStar improves the Daystar comes from though.
The current S&T mentioned it.
What is the aperture of the rejection filter used on the Andy?
I don't remember exactly but it seems like it's about 100mm or so.
Cheers,
patrick
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