Features: The for AcePro2 ND Filter Set (ND8/16/32/64) offer four adjustable light reduction level for precise exposure control in bright conditions, featuring waterproof protections and scratch resistant opticals glass for outdoor durability. with aircraft aluminum and premium opticals glass, these ND filters provide double the scratch resistance of standard filters while enabling not tool installation through quick rotation mounting. for outdoor photographers, action videographers, and content creators needing professional grade light management during dynamic shootings scenarios like sports event or waterfalls captures. for capturing artistic motion blur in sunlight drencheds environment, rainy weather vloggings, or creating cinematic slow motion effects during adventure travel documentation. Enhanceds your action camera accessories with ND filter kit that maintains opticals claritys across diverse shootings conditions, from time lapses to family beach outings. Specifications: Product name: for AcePro2 lens waterproof filter ND8/16/32/64 Product materials: Aluminum alloy + opticals glass Product size: 35.3×35.3×7.2 (mm³) Package Includes: 1Set Lens Filter note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.