The SVBONY SV157 1.25 "extension tube is threaded at the end to accommodate a standard 1.25" filter. It is made of all-metal material and has a long service life. The inside of the SV157 has full threads to reduce reflected light.
|Dimensions (mm)||ɸ39*56 mm||ɸ39*70 mm|
|Length||56 mm||70 mm|
|Material||Aluminum Alloy||Aluminum Alloy|