This Semi-Hard LCD Screen Protector from Sony safeguards the monitor on your Alpha a7, a7R, or a7S digital camera against dust, dirt and scratches. Additionally, an anti-fingerprint coating minimizes smudges. The protector is constructed from durable polycarbonate. It features a mild adhesive that allows it to be easily removed without leaving a residue, and it s designed to attach without trapping air bubbles.