设计给微单防水壳专用, 镜头罩前端有M67螺牙可以转接外挂镜头/滤镜
[尺寸 (DIAxD)] 93 x 59mm / 3.7 x 2.3 inches
[重量] 220g / 7.8 oz
[耐水深] 100m / 330ft
[材质] 耐腐蚀 aluminum alloy (阳极电镀), tempered glass (多层镀膜)
[Distance] Between the port mount and the inner glass surface : 33mm / 1.3 inches