celestron barlow eyepiece 2x barlow lens eyepiece 1.25 inch insert the 2x barlow lens between the eyepiece not monocular

product details 1.25 inch /31.7mm telescope general accessories purpose: to extend the focal length of anterior screw can be connected with m42 camera mount suitable for all 1.25 inch interface telescope the metal ballauff doubler and 2 times magnification. optical components, real physical computing power. with it not only increases the magnification, the imaging will be more clear, than the average magnification of the mirror to imaging resolution up to 15 times. magnification