External thread: M48*0.75mm;
Outside diameter: 2 inches;
Extend the light path by 2 inches;
2 "filter thread (M48*0.75mm)
Contact: Mr. Shen
Phone: 13305847273
Tel: 0574-62363108
Email: info@st-optics.cn
Add: NO.42，XINYANG ROAD,DITANG STREET,YUYAO
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