SVBONY SV137 1.25-Inch 3x Barlow Lens Metal Body Fully Multi-coated Internal Brass Ring

Description This 3x Barlow lens with metal body The lens fully multi coated provide a sharp view It can double the power of any 1 25 telescope eyepiece Ideal for high power observation A brass compression ring can protect your eyepiece from marring or scratching the barrel Keeping your eyepiece in new looking Features 1 2 Element optics are fully multi coated2 The Edges of the lenses are black to cut down on internal reflections3 The 1 25 barrel will fit in standard 1 25 focusers and diagonals4 Internal brass ring that the set screw hits to hold your 1 25 eyepiece inside for eliminates marks on your eyepiece barrelSpecifications 1 Brand SVBONY2 Model SV1373 Magnification 3x4 Coating Fully Multi coated5 Edges of the Lens Black6 Eyepiece Protect Internal brass ring7 Net weight 96g 0 21lb 3 38oz8 Dimension 96 39 39mmNote Insert Barlow Lens between your eyepiece and your telescope to get the magnification instantly Eye relief is the distance your eye has to be from the first lens in the eyepiece in order to see the full field of view When you use a Barlow lens with an eyepiece you get the magnification but the eye relief is not affected This is a good thing because normally the shorter the focal length of the eyepiece the less eye relief you have Package includes 1 x SV137 3X Barlow Lens2PCS Dust CoverDetails Pictures