Specification:
The lens with face window and side face window
Can magnify the side face of item by 2pcs reflectors
zoom c-mount Lens
0.5X C-mount adapter
Objective Magnification Power by 0.7 - 4.5X(about 10 - 180X on the display)
Zoom Rate:6.5:1
Working distance:95mm, holder diameterΦ28mm,
Focus Fine:any position focus of C/CS Mount
Iris Adj:high definition and high depth of focus
Large depth of field
with fine-tuning manual iris ring
Standard optional:0.5X CCD Adapter 
Length: 160mm(L)
Ring: suit for 40MM / 50MM hold ring stand ( We will sent you a ring adapter for free )

Package including
1 x C-MOUNT Lens
1 x 1X Lens
1 x 40mm to 50mm ring adapter