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Old 14-10-2015, 09:32 AM
Fred_76
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Fred_76 is offline
 
Join Date: Dec 2014
Location: Le Havre
Posts: 16
Sil, I fully agree with you.

To avoid miscalculations, for those who like formulas, I implemented the NPF rule in a form page. It is still in french but you can choose between 340 DSLR or Digital Backs from 15 brands (that's almost exhaustive) from 4/3" to medium format :

http://www.sahavre.fr/tutoriels/astr...file-d-etoiles
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