[Color filters for astronomical observations] Color filters are very suitable for displaying various details of planetary surfaces or cloud structures. [First-class Plossl eyepiece] The eyepiece of the 1.25-inch telescope has a 52-degree field of view, a wide field of view, and ultra-high definition and distance vision. The thread of the 1.25 inch / 31.77mm telescope eyepiece filter. [32mm telescope eyepiece] 32mm Plossl telescope eyepiece, multilayer coating, interface 1.25 inches / 31.7mm. Supports all types of telescopes, mirrors and refractors. Observe star clusters, satellites, sky, planets and other celestial bodies. [Function] Plossl eyepiece is completely waterproof and anti-virus. The collimation is used for simple switching of the eyepiece. [Guarantee] Enjoy easy return service. 100% money back guarantee if not satisfied for any reason in 3 months. Provide full refund or new replacements service for quality reason in whole 12 months. Specification: Condition: New Material: aluminum alloy + optical glass Color: Black Focal length: 32mm/1.26inch Eyepiece port: 31.7mm/1.25 inches Product length: about 7.5 cm/2.95 inches Weight: about 145 grams Packing list: 1 * Plossl eyepiece