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Old Friday 10th November 2017, 20:42   #10
jan van daalen
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Join Date: Nov 2012
Location: maarssen holland
Posts: 1,670
Quote:
Originally Posted by Kowaist View Post
Does anyone know what the BIF notation means. PIF is Porro, individual? focus..., what is the B?
In some literature the B stands for Porro (while a D stands for roof), in other for Brille (spectacles) iow extended eyerelief.

Jan
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