M48 To M42 Telescope Adapter Ring Female T(M48mm*0.75mm) to Male T2(M42*0.75) 
Features:
1. Adapter was made by Full metal, durable
2. Male screw thread to camera lens: 42mm
3. Female screw thread to filter: 48mm
4. Made of anodized Aluminium
5. Telescope Digiscoping Adapter
6. Color：Black