The premium K&F Concept® NanoX night light filter Astroklar was made of coated, optical branded real glass (Nano Multi-Coated) and integrated into a precision aluminum frame. K&F Concept® lens filters are designed with high precision to the requirements of the lens / camera combination and are produced under the highest quality requirements. The selection of the manufacturing materials and the coating process was precisely coordinated in order to meet the highest requirements in terms of reflectivity, light transmission and visual appearance. Batteries must not be disposed of with household waste. You are legally obliged to return old batteries so that proper disposal can be guaranteed. You can hand in used batteries at a municipal collection point or at a local retailer. You also have the