17mm.669in1"-32 UN-2AC-MOUNT29.5mm1.161in30mm1.181in3.25mm.128in IRIS LOCK SCREW14.1mm.161in FOCUS LOCK SCREW129.5mm1.161inMAX OUTER DIAMETER 30mm1.176in27.2mm1.071inM25.5x0.5FILTERTHREADFILTER THREAD 1.8mm.071in5.55mm[.219in] @ INFINITE WD4.63mm[.182in] @ 200mm WD 4mm.157in 3.9mm.154in 13.2mm.52in 21.2mm.835in 28.1mm1.106in OVERALL LENGTH29.19mm[1.449in] @ 200mm WD28.27mm[1.113in] @ INFINITE WDFOCUS ADJUSTMENTIRIS ADJUSTMENTSPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE.DIMENSIONS ARE FOR REFERENCE ONLY.FOR DETAILED SPECIFICATIONS,PLEASE REFER TO THE SPEC SHEET.NOTES:1.INCLUDES RECESSED SET SCREW OPTION. 2. LENS MAY MOVE MORE THAN INDICATED UNTIL IT REACHES BUILT-IN STOPS. 3. LENS SHOWN IN THE INFINITE WD POSITION.