Nikon Prostaff 3s vs 7s
Nikon released the Prostaff 7s, which is the advanced version of the Prostaff 7. The 3 series was released about two years later after the 7s. The models released for the 7s were 8×30, 10×30, 8×42, and 10×42, while the versions for the 3s were 8×42 and 10×42. The 7s and 3s are similar in …