Quote:
Originally Posted by Ambermile
Also as mentioned there's that FL increase - which I think is a bit naughty in this instance as a barlow will also reduce coma to a certain extent for much less on the pennies front 
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It's not a big deal - 1.15, and is done to aviod having to shorten the tube by 2". Surely that's thoughtful design?
PS Dear Moderator, some naughty boys have hijacked this thread to talk about a very interesting subject. Could you please make things good again and perhaps split it so we can leave Morton in peace. Sorry M!