Features:
Simple operation: Simply insert the eyepiece into the Barlow lens and then insert the Barlow lens into the rifle scope.
Increase the magnification without narrowing the exit hole on the eyepiece and keep comfortable observation with a wide view.
Plastic body , light weight , can use stable and durable for a long time.
With thread M42x0.75mm for connecting the digital camera via T ring adapter.
3x magnification with 0.965 inch interface doubles the magnification of all 0.965 inch eyepieces.

Specification:
Color: black
Lens material: Optical glass
Sleeve material: plastic
Interface: approx. 24.5 mm (0.965 inches)
Length: 6.8 cm , weight approx. 18 g.

Package list:
1 * 0.96 in3X Barlow lens