Optical glass with high-definition image quality effectively isolates water droplets and water vapor. The aluminum alloy frame is more practical, reliable, and sturdy. Durable and scratch-resistant, robust, and more reliable. CPL Polarizer - The CPL polarizer can eliminate harmful reflections, improve image clarity, and increase light contrast and color saturation, such as white clouds, making the color more vivid. ND Scale - The ND filter can reduce the amount of incoming light, lower the shutter speed, prevent overexposure, resist scattered light, and improve image color saturation. Capture clouds, silky smooth running water, and empty streets. Commonly used in street scenes/natural landscapes/tourist attractions/special effects. STAR - Under the effect of a point source, it can diffract the light points in the scene, so that each light point in the photo radiates a specific beam of light, achieving the effect of radiant brilliance. Due to different batches, there may be differences in the product's appearance, color, and printed text, which does not affect its use. Color: Dark Gray Material: Lightweight aluminum frame optical glass Package Contents: 6 * Lens Filters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.