拓普康系列 Used with TOPCON 型号:ADS11(单)、ADS30(三) 黄色塑料镜框,黄色基座、连接器 棱镜有效直径:64mm 棱镜常数:0mm(单),0m或-30m(三) 适用拓普康系列全站仪 ADS11(single), ADS30(triple) prisms Covered yellow frame, link with yellow holder and tribrach features a 64mm precision ground glass prism set in a canister. Single prism affset is Omm and triple prism is-30mm or omm which 反框设置常数为0m is set in opposite, used with TOPCON 正框设置常数为-30 instruments ADS11 Set in opposite Offset is Omm ADS30 is 30mm