Haida NanoPro Magnetic C-POL Filter (With Adapter Ring) Size:77mm With its linear design and

With its linear design and RGBWW chipset

Its advanced optical design can output 6

With its focal length of 15 mm (22

Built-in controls and an OLED screen make it easy to directly control the FS-300B

Haida NanoPro Magnetic C-POL Filter (With Adapter Ring) Size:77mm With its linear design andThe NanoPro Magnetic Circular Polarizer Filter from Haida comes with an adapter ring that screws onto your lens. With the ring screwed on, you can then magnetically attach the polarizer filter and easily swap it out. The adapter ring has both front and rear 52mm 82mm threads and accepts standard threaded as well as Haida magnetic lens caps on the front. It can be kept on your lens at all times. This filter is constructed from optical glass for clarity