Optical Axis Adjustment Eyepiece Telescope Collimation Eyepiece for Newtonian and Made of Aluminum Thread Size Telescope, Wear-Resistant Rust-Proof,

★★★★★★★★★★★

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★★★★★★★★★★★ Made of high quality material, it is rust-resistant, wear-resistant and durable. The internal structure has light-removing threads to reduce light reflection and improve visibility. Collimation eyepieces are more accurate than ordinary collimation tools, helping you enjoy the stars better Red crosshairs for easy collimation adjustment Easy to use, portable and easy to store Specification:Features:Made of high quality material, which is anti-rust, wear-resistant and durable. Adopt light-eliminating thread in the internal structure to reduce light reflection and improve the clarity of vision. Collimating eyepiece is more accurate than ordinary collimating tools, helping you enjoy the stars more. With red crosshairs for easy adjustment of collimation. Easy to use, convenient to carry and store. Specification:Material: Aluminum alloyColor: BlackScrew thread: 1.25inch/31.75mmSuitable for Newtonian telescope＞Size: Approx. 14.5 x 3.5cm/5.7 x 1.4inchWeight: Approx. 197g Package Content: 1 x Telescope Collimation Eyepiece