Another thing worth mentioning is how these lenses are actually used in practice. At first, I thought they might be complicated, but it turns out the process is quite straightforward. I read about it here
moment lens for iphone and it describes how you just attach a compatible case, mount the lens, and you’re ready to shoot. The idea is to enhance image quality and flexibility without needing a full camera setup. Of course, they can be a bit expensive, but that’s usually because they’re made with high-quality materials and designed to deliver better results than typical smartphone accessories.