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Old 27-07-2013, 12:32 PM
brian nordstrom (As avatar)
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brian nordstrom is offline
 
Join Date: Apr 2007
Location: Perth WA
Posts: 4,374
WHAT ? , tell me one thing , what use is a full say , 4 degrees of sky if only 2 degrees is usable ? as Wavytone says , seagulls don't do it for me either .
That's where my 40mm AT Titan is OK , seagull city only the last 10-15 % , which is OK ,,, for me .
And every one is different .
Brian.
Quote:
Originally Posted by Satchmo View Post
I think you are confusing the term `aperture' with `field of view' - when I say aperture I'm talking about the usable diameter of the telescope whose light you are funneling in to your eye, not the the quality of the last 30% of your field of view.
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