The LUCID OPTICS screw-in 2x magnifier is an option available for the LUCID OPTICS HD7 red dot sight and the NEW M7 Micro 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.• Fully Multi-Coated Lenses • 100% Shockproof & Waterproof • 100% Fogproof • 2x Magnification • Threaded for HD7 & M7 Red Dot • FOV @ 100yds – 37ft • Weight: 2oz • Eye Relief – 2″ – 7″ • Limited Lifetime Warranty