Features: Quality optical glass, ensuring high transmittance while effectively reducing reflection and distortion, providing clear image effects. It can effectively reduce the intensity of light entering the lens, helping photographers to perform long-term exposures or record dynamic images in bright environments without causing overexposure. Specially designed for 10/11/12/13 cameras, fit perfectly and is easy to install and remove quickly without the need for additional tools. Waterproof and dustproof, providing excellent scratch resistance and suitable for various sports scenes. Lightweight design, almost without increase in camera burden, allowing you to flexible and at ease when photoshoots. Specifications: Component: optical glass, aluminum alloy. Size: approx. 3.2x3.2x0.6cm/1.25x1.25x0.23inch Type: refer pictures to selection please Applicable model: for 10/11/12/13 Digital Cameras Package Includes: 1 Piece Lens Filter or 4Pcs/set Lens Filter(optional) note: Other accessories demoed in the pictures is not included. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.