1.56 New Grey  X6 Photochromic lens

Physical data :

Transparency <%> UC   : >90%

Material                         :NK -11P       (Made in Japan)

Index                             :1.555

Gravity                           :1.18

Abbe:                             :40

Volume Shrinkage            :9

(+)65mm     0.00 to +6.00/0.00 to -2.00

(+)70mm     0.00 to +6.00/0.00 to -2.00

(-)72mm      0.00 to -6.00/0.00  to -2.00

High Cyl:

+65mm       0.00 to +6.00/-2.25 to -4.00

+72mm       0.00 to -6.00/-2.25  to -4.00