Focal no. 1.50 for age 47 to 50
NSN 5930-01-400-6126
NSN 6110-01-020-9044
NSN 5999-00-575-4534
NSN 5999-01-338-3808
NSN 6685-00-569-1764
NSN 6135-00-935-2589
NSN 5960-01-089-8155
NSN 4140-01-336-2863
NSN 5835-00-275-0584
NSN 6105-01-384-2840
NSN 5910-01-535-0905
NSN 6240-00-143-7513