[Completely Specially Designed for iPhone 17 Pro & Variable ND Filter (ND2-32) Included] Specially designed to fit the camera module without difficulty, including a triangular lens hole. I actually attached it and shot, but there was no sense of incongruity due to misalignment or gaps, and there was no need to make extra adjustments during shooting. The included variable ND filter can adjust the amount of light from 1 to 5 levels, making it easy to express images that are conscious of shutter speed even when shooting outdoors during the daytime, and I was able to test the flow of water and the movement of light in a different form than usual. [9N suction power with strong magnets on both sides & plenty of expandability] MagSafe compatible magnets have stable adsorption, so I didn't feel uneasy when shooting normally or using a tripod. Since it can be attached and detached quickly, the fact that there is little trouble preparing for shooting is helpful even in everyday use. Since the structure allows MagSafe accessories to be attached to the back, the fact that the shooting style can be changed according to the situation is also practical. However, in situations where strong vibrations are applied, I felt that it was necessary to check the fixed state. [Full silicone coverage & protective design for a safe feeling of use] Since both the front and back are made of silicone material, it doesn't slip easily when you hold it in your hand, and I was able to hold it stably even when the filter was attached. There are protective pads and straps around the camera, so you don't get too nervous when handling it, and you can use it safely while being aware of the risk of falling. [Comes with a dedicated storage case, suitable for professional carrying] The attached EVA storage case has a structure that allows the holder and filter to be fixed separately, preventing contact or friction during carrying. Since it can be stored immediately after shooting, it is easy to manage after outdoor use, and I felt that it is convenient for people who want to carry small items together. [Utilize your assets with sturdy aluminum alloy & 58mm professional standard] The aluminum alloy frame has firm rigidity, and I didn't feel uneasy even after repeated installation and removal. Since it is compatible with the 58mm standard, it is somewhat authentic as a smartphone accessory, but I think it is a configuration that expands the range of uses for people who want to stick to shooting.