The LUCID OPTICS screw-in 2x magnifier is an option available for the LUCID OPTICS HD7 red dot sight. This magnifier was specifically designed to answer the demand for those who want a dedicated magnified view for their 1x red dot optic. With a built in ocular focus adjustment and a very forgiving eye relief this magnifier will bring the targets close enough to gain the added precision you may be looking for on your set-up. Also, those operators that may have a tiny bit of uncorrected astigmatism should know that a little magnification will help correct the appearance of a blurry reticle.Features:100% shock-proof, fog-proof and water-proofThreaded for HD7 red dotFully multi-coated