The orros 8420 8x42 binocular from vanguard offers a larger objective size for greater light gathering ability allowing binocular glassing during the twilight hours of dusk or dawn when wildlife is more likely to be out and viewable overcast weather whether it is rain drizzle or fog need not be a concern the optic is o ring sealed which makes it waterproof and fogproof and the protective rubber armouring is textured for a slip proof grip even when wet rrtextured rubber armour provides sh