Nautilus 1x30 QD Red Dot SightDescription Made by Vector Optics, a company with almost 20 years worth of experience in optics and sights, Nautilus is designed to perfectly fit into a 1 x 30 mm class of optics. The body is made of high quality metal and covered in a scratch resistant black matte finish. The red dot emitter is sealed inside the body to make it shock and fog proof, and water resistant. The 3 MOA sized dot has 11 levels of selectable intensity and a 60 MOA elevation