This Celestron 10mm 1.25" eyepiece is very light weight and ideally suited for any telescope with a 1.25 focuser. With a large top lens you will be able to easily look through this eyepiece. With a pleasing 50 apparent field of view and with only 3 elements they provide bright views. Less glass means less light loss and a brighter image. Celestron's eyepieces are coated with anti-reflection material to maximize transmission of incoming light. All lenses are carefully ground and polished from quality optical glass to provide excellent images. The anodized aluminum barrel is precisely machined and internally blackened to prevent stray light reflections. Also it is threaded to accept standard filters. The supple rubber eyeguard shields out stray light and folds down for eyeglass wearers. You will receive one Celestron 10mm 1.25" eyepiece. Eyepiece is from a new complete Celestron telescope package and is new. Comes packaged in plastic bag with box but no dust caps. Sold with free shipping.