X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system. Pop-up rubber eyeguards provide comfort and increase contrast. Raise and lower with a simple twist. A treaded rubber grip offers a no-slip grip, even with gloves on. 1.25” barrels are threaded to accept filters. UNBEATABLE WARRANTY & SUPPORT: Buy with confidence from Celestron, a leading telescope brand in California since 1960. Your purchase includes a 2-Year US Warranty and unlimited support from our team of US-based experts.