Features: OOTDTY   Metal body: full-surface multi-layer coating, high-quality optical performance. High definition: high brightness, the effect is more shocking! The observation is very comfortable. Large diameter: high transparency and wide field of view. Good help to the telescope:Makes it easier to navigate the night skies with a telescope. Slim and lightweight:Easy to use and carry out. Specifications: Material: Alumunum Alloy+Optical Glass Diamter: 2.45cm/ 0.96 in Package Includes: 1x Solar Filter Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.