52mm Magnetic Variable ND8-ND128(3-7 Stop)

K&F Concept 52mm Magnetic Variable ND8-ND128(3-7 Stop) Lens Filters - Nano-X     * 【1 Second Install & Swap】This variable ND8-ND128 filter with magnetic technology, install the filter adapter ring on the lens first, the filter can be adsorbed in 1 second, faster installation than a traditional thread filter (6s).    * 【No Black "X"】K&F Concept utilizes cutting-edge technology (frame self-lock) to avoid the common "X" cross on a wide-angle and telephoto lens    * 【28 Multi-Layer Coatings】Both sides of the glass with nanometer coating (a total of 28 layers) are waterproof, scratch-resistant, and anti-glaring, effectively protecting the camera lens.    * 【Magnetic Adapter Rings】The adapter ring has a thread to be screwed onto the lens. The ND8-ND128 magnetic filters engage in a magnetic way. Magnetic Adapter Rings are also suitable for other magnetic filters such as the Magnetic CPL, Magnetic ND8, Magnetic black mist, and the Magnetic ND1000 by K&F Concept.    * 【Note】Please verify your camera's lens thread size before ordering. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always proceeded by a "Φ" (diameter) symbol.