MAGNETIC QUICK-SWAP FILTER SYSTEM
Installation: Now switch your filter in 2-3 seconds with Freewell Quick Swap Magnetic system no more threading
Optical Glass: Made of using the High Definition Premium Optical glass double-side multicoated Zero chromatic aberration (color shift), Glow Mist is UNCOATED for maximum effect.
Coating: Each side of the glass element is coated with Waterproof, Dustproof, Scratch-resistant, Oilproof to make sure you are ready for all the adventures
What is Included: Magnetic Base Ring, Main Filter, Magnetic Lens Cap for the base ring, Microfiber Cleaning Cloth, Magnetic Hard Case