Extension tube

同义词释义

1)Extension tube,近摄接圈2)Extension ring,近摄接圈3)close-up photography,近摄4)Close-up,近摄5)microlens,近摄镜头6)dolly on,推摄，近摄7)asymptotical perturbation method,渐近摄动法8)asymptotical perturbation me-thod,渐近摄动理论9)asymptotical perturbation method,渐近摄动方法10)Digital camera photographic measurement,数码近摄测量