Astronomical Telescope Accessories Barlow Mirror 2 Inch 2X Multiplier with 1.25 Inch Adapter (universal Dual Interface)

Lens Material: Metal-Aluminum
Lens material: ED extra low dispersion glass
Lens Coating: Width Green Film
Interface size: 2 inches (50.8mm)
Eyepiece interface: 2 inches, with 1.25-inch eyepiece adapter (universal for dual interfaces)
Products include:
1x Extender
1x interface adapter