Check out the latest /i viewer version, it is V2.2.1 for your PC.
You find it at: http://www.cookeoptics.com/cooke.nsf/technical/downloads.html
With this software and the serial cable (part number 472-8443) you can display the lens information on your PC without being connected to a camera.
Applies to:
CKE 75i,
CKE REDSET,
CKE 65i,
CKE 50i,
CKE 40i,
CKE 35i,
CKE 32i,
CKE 300i,
CKE 27i,
CKE 25i,
CKE 21i,
CKE 18i,
CKE 180i,
CKE 16i,
CKE 150i,
CKE 14i,
CKE 135i,
CKE 12i,
CKE 100i,
CKE 15/40