K&F Concept 100 x 100mm Square Natural Night Filter Light Pollution

Square Filter: The filter is overall purple, the size is 100x100mm, the product weight is 47g, the lens thickness is 2mm and the lens diameter is 82mm and less. This photo filter helps to remove light pollution and correct the dominant yellow and orange well, make the sky and stars clearer. It is an ideal filter for taking night photos near highly polluted areas, taking night photos and astrophotography. Polishing Technology: Both sides are ground and polished to balance the light penetration path so as not to affect the image quality. Waterproof: Multi-layer coatings technology - Double-sided water repellent (for ease of maintenance), reduces unwanted reflections on the filter surface (flares) without loss of sharpness. No Deviation: This glass is colorful, ensuring that the image quality does not match a dominant color, no color difference. Protection: The outer edge of the filter bag is made of leather and the thin sponge serves to protect the filter.