◆ ◆ female screw diameter 37mmp0 75 x Male Threaded Dia 34mmp0, 5 Size for Canon FVM100 FVM20 FVM30 FVM200 IXY dvm-91 34mmp0 such as digital video camera for attaching ◆ 37 mm mounting diameter konba-zyonrenzu in the 5 x Size Adapter Rings sold separately. //////