الوصف
- Male thread - M48x0.75. Female thread - M48x0.75,eliminates a range of focusing problems
- The extension tube has a T2 interior thread and a T2 exterior thread for elegantly solving spacing problems in astrophotography
- Use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners
- Includes 4 different lengths - 10mm 20mm 30mm 35mm. The required spacing can be achieved by combining several extenders of differing lengths,you can use 1 pcs, 2 pcs , 3 pcs， 4 pcs of the extension rings as you like
- All metal construction and anodizing aluminium process, durable for long time use
GoskyAstronomical M48 Extension Ring Kit - Extension Tube Adapter - Length 10mm 20mm 30mm 35mm - M48x0.75 on Both Sides - Accept 2inch Filters
