Features: Experience unparalleled durability and performances with our 25mm 1.25inch all metal eyepiece, crafted from high quality aluminum for long lastingly use. Featuring precise optical design, this eyepiece delivers clear and bright images, ensuring you capture every astronomical detail with ease. Ideal for astronomy enthusiasts, students, educators, and photographers seek to enhances their stargazing or astrophotography experience. Perfect for a variety of setting, including group stargazing event, educational courses, and as a reliable tool in scientific research. Its lightweight and portable design making it easy to transport, allowing you to explore the night from any location with your telescope. Specifications: Component:Aluminium Focal length: 25mm Joint size: 1.25 inches (about 31.7mm) Mirror material: metal-aluminum Lens material: optical glass Lens coating: broadband green film Eye mask type: back flip type Package Includes: 1pcs 25mm Telescope Eyepiece note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.