specification:

zoom c-mount Lens

zoom ratios: 15:1

magnification power by 0.13X - 2X

field of view: 4mm-100mm

working distance: 55mm-8700mm

size: 110mm(L) * 28mm(Dia)

with 50mm ring adapter 

package including:

1 x 120X Industry Lens 

1 x 50mm ring adapter