Every part is redesigned to give better utility. For example, the CPL is equipped with handle and magnets. This prevent finger print while screwing on the lens with its original thin edge.The previous version need screw driver and different length of screws to interchange 2 or 3 slots holder while the new design needs no tool. With the new structure, the filters can stay closer to the camera which great enhance performance. The FOV is greatly improved with reduced body thickness.
See the whole design process in
Design Methodology ▶︎
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