The Athlon Optics ARES ETR, MIDAS TAC & HELOS BTR GEN2 56MM SUNSHADE is a high-quality sunshade designed to protect your riflescope from the sun's glare. It is made of durable aluminum and features a black anodized finish. The sunshade is compatible with the following riflescopes: Compatible with riflescope SKUS: 212107, 212100, 212101, 212102, 213080, 213081, 213082, 214113 & 214114. The sunshade is easy to install and remove, and it provides excellent protection from the sun's glare. It also helps to reduce image distortion and improve image clarity. The sunshade is a must-have for any shooter who wants to protect their riflescope from the elements and improve their shooting performance.