• ALUMINUM ALLOY CONSTRUCTION: The astronomical telescopic extension tube is designed with an all-metal structure and anodized aluminum process, our astronomical extension tube kit ensures durability and longevity. Use this high-quality tube to obtain the correct image scale or spacing required by reducers or field flatteners
• VERSATILE ASTRONOMICAL TELESCOPE EXTENSION TUBE: Our focus extending tube kit features M48 threaded connections and comes in various heights, including 3mm, 5mm, 7mm, 10mm, 12mm, 15mm, 20mm, and 30mm. Enjoy compatibility with a wide range of astronomical telescopes
• FLEXIBLE COMBINATIONS FOR SPACING: Achieve the required spacing by combining different lengths of extension rings. Our m48x0.75 focal length extension tube allows you to use 1, 2, 3, or up to 8 extension rings, providing unparalleled flexibility and convenience
• Focusing Problem Elimination: The extension tube has M48 female thread and M48 male thread, which is used to solve the spacing problem in astrophotography and eliminate a series of focusing problems
• REDUCE STRAY AND REFLECTED LIGHT: This focal length extension tube kit with its unique female thread design, our telescope extension tube set effectively eliminates stray and reflected light, resulting in clearer and more images. Experience enhanced image quality like never before

• Product Dimensions ‏ : ‎ 6.3 x 3.94 x 2.36 inches; 3.77 ounces
• Date First Available ‏ : ‎ November 21, 2024
• Manufacturer ‏ : ‎ Xiuganpo