FMC 68-degree ultra wide long eye relief eyepiece. Standard 1.25 inch astronomy telescope 4 piece eyepiece kit. Super wide 68 degree apparent field offers expansive views of the moon, star clusters, and the milky way. Multi- design delivers images with good color correction and contrast. Aluminum 1.25 eyepiece barrel is internally blackened to eliminate light scattering. Threaded to accept 1.25 filters. Material: Aluminum Alloy + Optical Glass. Eyepiece Series: 68-Degree Ultra Wide Eyepiece. Barrel Size: 1.25 (31.7mm). Apparent Field of View: 68 Degree. Coating: Fully Multi-Coated Broadband. Structure Design: 5-elements in 3 groups (6mm); 6-elements in 4 groups (9mm); 4-elements in 3 groups (15mm); 5-elements in 3 groups (20mm). Lens material: Optical Glass Lenses. Body Material: Fully Metal. Filter Threads: Standard 1.25 Filter Thread. Rubber Eye Guard: Yes. 1 1.25 68-Degree Ultra Wide 6mm Eyepiece. 1 1.25 68-Degree Ultra Wide 9mm Eyepiece. 1 1.25 68-Degree Ultra Wide 15mm Eyepiece. 1 1.25 68-Degree Ultra Wide 20mm Eyepiece Telescope in the picture is prop. Our listing price includes the value of goods, packaging cost, and export. Please check with your country’s. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again beuse sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communition and dispatching of your orders.