The Kenko Professional-Line UV filter was made from a remunerated optical brand-echo glass. This brand look was embedded in an aluminum precision frame. The aluminum frame has both an internal thread and an outer thread, which is absorbed by a lens cover or further filter enables. The UV filter filters the disturbing UV radiation to prevent the "gray bar" in your recordings. Your pictures become much more constrasting and gain sharpness. Batteries must not be disposed of by household waste. They are legally obliged to return old batteries so that professional disposal can be guaranteed. You can hand over old batteries at a municipal collection point or on site. However, you also have the option of sending old batteries of our articles back sufficiently to us or submitting you directly to