K&F Concept 49mm Magnetic ND8 Lens Filter with Adapter Ring+ Alloy Cap, 3 stops Optical Glass ND for DSLR Cameras

【Quick installation and removal】Magnetic ND+Apater ring + Cap, Installation and disassembly are completed in 1 second. 【HD Glass with Nano Coating】: Multi-Layers anti-reflection coating (water repellent/anti-oil/anti-dust/anti-soil/scratch resistant) Coating Technology to withstand almost any conditions. 【3 f-Stop Exposure Reduction 】ND8 Neutral Density provides a fixed 3 stop light reduction. Perfect for landscape photography. dynamic scenes, such as waterfalls, streams, waves, etc. 【Colour Netural】Reduces the amount of light reaching the film and maintain colour neutrality without affecting colour balance for better image quality and truer colours. 【Study and Slim frame】The ultra-thin frame avoids dark corners or vignetting when layering multiple filters. The CNC anti-skid design facilitates friction. For best effect we recommend focal lengths up to 16mm.