The Kenko Professional-Line UV filter was made from coated optical brand real glass. This branded optic was embedded in a precision aluminum frame. The aluminum frame has both an internal thread and an external thread, which can accommodate a lens cap or lens cap. additional filter enabled. The UV filter filters the disturbing UV radiation to prevent the "grey haze" in your recordings. Your images will have much more contrast and become sharper. Batteries must not be disposed of with household waste. You are legally obliged to return old batteries so that professional disposal can be guaranteed. You can hand in used batteries to a municipal collection point or to local retailers. However, you also have the option of returning old batteries from our articles to us with sufficient postage o