3X Barlow Lens, Metal Optical Glass Telescope Barlow Lens, Telescope Accessory, M42x0.75 Thread Interface for 1.25 Inch Astronomical Telescope Eyepieces

METAL SHELL：The shell was made of quality metal, anti deformation, anti rust, sturdy and durable.

Superior sharpness and color correction, real physical computing magnification. 3X BARLOW LENS：1.25 inch 3x Barlow lens, fully multi coated metal with M42x0.75mm thread camera connect interface for telescope eyepieces.

High quality barlow lens 3x gives a big magnification boost to 1.25 inch eyepiece. MORE MAGNIFICATION：The barlow lens also could offer more magnification without reducing the exit hole on the eyepiece.

High transmittance to achive clear and sharp views. SIMPLE OPERATION：It is easy to use, place the eyep