Quote:
Originally Posted by oosh
Looks great Rob... jealous of the skills mate! The fifty has got to be a good lens for wide field, might even be nicer stopped down to 5.6 or 8 even? Thanks for sharing it 
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Actually I'd appreciate yours or other people's thoughts on how far to stop down Jason. I'm a newbie at this sort of thing. I gather stopping down should make things sharper, but likely to require longer subs with all the requisite problems (noise, dew, tracking)?