Professional Image Quality: Our polarizing filter (CPL filter) made of high-quality optical glass eliminates disturbing light reflections and improves color fidelity as well as contrast. Perfect for vibrant landscape shots with intense sky blue and reduced glare on water or glass. Ideal for cell phone camera photography that achieves DSLR level. Easy Installation Compatibility: The 52mm CPL filter can be attached to any smartphone in seconds via a rotatable clamp design, compatible with all makes and models. No tools required. Includes stable lens clip for a secure hold. Premium Materials for Durability: Made of shatterproof glass with a 30-layer nano coating. Resistant to scratches, water and dust. The 2.05-inch (52mm) filter frame made of aircraft aluminum is ultra-lightweight and corrosion-resistant, ideal for outdoor photography. 2-in-1 Function: Unique variable ND/CPL filter. Reduces light by 1-5 f-stops (ND32) and simultaneously eliminates reflections. No vignetting thanks to wide-angle optimization, perfect for architecture and nature photos in bright sunlight. Complete Set for Instant Creativity: Scope of delivery: 1x CPL filter, 1x lens clip. The dust-proof filter housing makes it the perfect travel accessory for photographers.