Features Durable Aluminum Alloy Construction - Made from high-quality aluminum, this filter is resistant to scratches and deformation, ensuring long-lasting performance for your observations Precision CNC Manufacturing - High-accuracy production guarantees consistent size and color uniformity, meeting stringent standards for optimal viewing experiences Superior Light Transmission - Designed with a high-transmittance filter that minimizes impurities, enhancing light transmission for clear and detailed celestial observations Compact and Lightweight Design - This filter is easy to store and transport, making it a perfect addition to your gear without adding unnecessary bulk Versatile Compatibility - Ideal for use with astronomical telescopes, this accessory effectively reduces light pollution, enabling safer and more precise observations of celestial bodies Features: 1、 metal shell frame, enough for your daily using. 2、Quality lens for extra sharpn and clarity. 3、You can get an extremely close view of the tiniest details. 4、Foldable to stand up and portable. 5、There is a scale under the lens on the base after 3 folds so that you can measure your item when you watch them. Specification: Description: metal shell frame, enough for your daily using. Quality lens for extra sharpn and clarity. You can get an extremely close view of the tiniest details. Foldable to stand up and portable. There is a scale under the lens on the base after 3 folds so that you can measure your item when you watch them. Specification: Lens diameter: 28mm/1.1inch Magnification: 15x Magnifier Color: Black Material: Zinc alloy Size(Stand): Approx. 6.8 x 4.1 x 5.5cm / 2.7 * 1.6 * 2.2in (L * W * H) Product weight: Approx. 120g / 4.24oz Package size: Approx. 7 * 5.3 * 2.5cm / 2.8 * 2.1 * 1.0in Package weight: Approx. 129g / 4.54oz Package List: 1 * 15X Foldable Magnifier Stand Measure Scale Loupe Package List