Spare or additional lens focus adjustment tools suitable for use with most Global Laser lens mounts. These focus keys are available to suit three different lens mounting sizes: 127-1533 · Focus Key for M9 x 0.5 for lens mounts 127-1535 · Focus Key for M11 x 0.5 for lens mounts 127-1536 · Focus Key for M14 x 0.7 for lens mounts
