購買於Amazon, Sevenak Gimbal Head 懸臂雲台 觀鳥雲台 千秋架 長焦鏡頭
有正常使用痕跡(看圖),操作正常。
https://www.amazon.com/Heavy-duty-Arca-Swiss-Quick-Release-Camcorders-Photography/dp/B01MF8H1LP/ref=sr_1_5?ie=UTF8&qid=1530181791&sr=8-5&keywords=sevenoak&dpID=41tDTLzEUiL&preST=_SY300_QL70_&dpSrc=srch