Adjustable Transmittance: Turn your phone camera into a solar imaging device with transmittance adjustable from ND2 to ND400, ideal for capturing sunlight photos. Quality Materials: Constructed with metal and glass, effectively limiting light transmittance to enhance solar imaging experience. Adjustable ND2-400: Features nine gear adjustments for wider applications. Note: Cross shadows may occur at the intersection of ND2 and ND400, a normal optical phenomenon. Thoughtful Gift: Suitable for astronomy enthusiasts, a practical choice for friends, family, or colleagues to capture solar eclipses and astronomical phenomena. Two Options Available: Choose between a single ND2-400 lens or a complete set including lens, clip, lens cover, wiping cloth, and bag. Specifications: Color as shown, Material: Metal + Glass, Size: 8 x 8 x 2.5 cm, Weight: 50 g. Package Includes: 1x Solar Eclipse Camera Lens Filter