Lens-shaped Camera Vacuum Cleaner for Canon EF Mount Thanks to its lens shape, cleaning is possible without exposure to the outside air. Safe cleaning of every corner is possible with the jet airflow created by our unique technology. Equipped with a Sumitomo 3M filter that supports PM2.5, shutting out polluted air. Employs an electric fan with a stator. Employs an anti-static filter. Equipped with a pilot lamp. *Dry cell batteries (AAA x 4) sold separately. *Includes Canon EF/S lens conversion mount.