1 2 TIMES MAGNIFICATION: The 2X barlow lens double the magnification of a 1.25in eyepiece, giving you a closer look at the moon and other planets 2 STABLE STRUCTURE: Barlow lens adopt 2 pieces and 1 group of glued lenses, FMC green film multi layer coated optical glass; The case is black oxidized to maximize image contrast; Both make the image sharper without additional chromatic aberration 3 THREAD SPECIFICATION: Multi coated barlow lens male thread specification is M42x0.75mm, suitable for connecting the photo bayonet of T2 photo thread, female thread specification is M28.6x0.6mm, suitable for connecting the filter and other accessories 4 DUST COVER: 2 dust covers keep barlow lenses clear, with adjustable setting screws to ensure that the eyepiece does not slip, stable and reliable 5 STRONG MATERIAL: Metal barlow lens with aluminum alloy and anodized body, accurate CNC machining, wear resistant and strong, can be used for a long timeItem Type: Barlow Lens
Material: Aluminum alloy and optical glass
Magnification: 2X
Lens: 2 Piece 1 group glued lens
Lens Coating: FMC green coating
Blackening Treatment: Full black non glare paint on lens edges
Lens Barrel Material: Metal aluminum
Male Thread Specs: M42x0.75mm(suitable for connecting T2 photography screws in photography mounts)
Female Thread Specs: M28.6x0.6mm(suitable for connecting filter lens, etc.)

What's in the box
1 x Barlow Lens
2 x Dust Cover