FOCAL LENGTH:18MM T2.2 S325MM T2.2 S332MM T2.3 S240MM T2.3 S250MM T2.3 S275MM T2.3 S2
CLOSE FOCUS:10″10″12″14″24″30″
WEIGHT:1.5 LBS1.6 LBS1.6 LBS1.7 LBS1.9 LBS2.2 LBS
FRONT DIAMETER:110MM110MM110MM110MM110MM110MM