Freewell Magnetic Quick Change System 72 mm Filter to Reduce Light Pollution

Very important: there is a QR code installation guide in the black case. Please read the video before using the product. INSTALLATION Change your filter now in 2-3 seconds with the Freewell Quick Swap Magnetic System that requires no more threading Optical glass: made from high definition premium optical glass with multi-layer coating on both sides without chromatic aberration (colour shift) Function:Help take photos at night as crystal clear and sharp images of the night sky are captured by effectively preventing the light pollution in the environment from affecting the image quality. What is included: empty magnetic base ring, light pollution filter, lens cap, microfibre cleaning cloth, storage case