The SVBONY Barlow Lens 2X is a high-quality accessory designed for telescopes and cameras. This multi-coated broadband green Barlow lens doubles the focal length of the eyepiece, allowing for clearer and sharper images. With an objective lens diameter of 92mm and a 2x auto-focus feature, this lens is perfect for enhancing your viewing experience. The lens is compact, weighing only 3.2 ounces, and comes with a pair of dust caps for protection. The durable quality aluminum stock and black anodized body ensure longevity, making it a reliable addition to your telescope or camera setup.