The LT20-RR Retaining Ring is used for 2-inch diameter LT20 Series lens tubes. The ring is made from aluminum with a black-anodized finish.
使用
2.0 in. Lens Tubes
类型
Accessory
螺纹类型
2.035-40
LT20- rr挡圈适用于直径2英寸的LT20系列透镜管。环是由铝与黑色阳极氧化处理。