[Bobbyoutback]

Originally Posted by refractordude

Hello Bobbyoutback


Thanks for the reply. Where do you get the 17.5 and the 52.5?

Thats just the formulas for meters & feet ' EG " if you see 525 FT at a thousand yards it's a nice wide 10deg FOV , most old Japanese binoculars have the information on the back plates .

Have Fun
Bobby