2 x 10 42 July 8, 2019 16 32 64 128 42 2 x 10 423 x 10 2 Meopta optika 5 2 10 x 42 Hakko superb 2 5 10 x 42 2 x 3 10 42 Leupold 2 10 x 42 2x x 10 42 14 x 10 42 2 8 2 x 4200 x 10 42.381 x 10 2 5 x 10 )( x 2 )= 420