We have a short video to show you how our NDx8 Lens work on the Samsung Galaxy S9+ (also for Galaxy S9)
37mm PRO SLR ND Lens / Neutral Density Filter Lens for Samsung Galaxy S9 / Galaxy S9+
https://www.youtube.com/watch?v=6Nu0hnLte40
Learn more the product at:
https://dckina.com/index.php?main_page=product_info&cPath=4_331&products_id=2236
Product SKU: DCK005707