Features: 2xMagnifying lens can double the magnification of telescope; APO design for improved color correction and film enhanced light transmission and achromatism; Unique matting inks around the glass lens decrease the stray light Brass pressing rings is built in the magnifying lens to effectively protect the inserted eyepiece from being scratched With a male T thread can link camera directly without an adapter Two dust covers to protect your eyepiece and convenient to carry and storage; Metal material extend the service life; Specifications: Material:Alloy Magnification:2x Color:Black Package Includes: 1xMagnifying Lens note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.