How the universal smart phone ND Lens / Neutral Density Filter Lens with...

check out how a ND filter lens will work with an iPhone 6 Plus

Demo Video Link:
https://www.youtube.com/watch?v=rk_ywazAJC8

Product Link:
http://dckina.com/index.php?main_page=product_info&cPath=6_217&products_id=1842