A versatile and high-quality accessory for photography enthusiasts, the SmallRig Universal M-Mount to 37mm Threaded Lens Adapter Ring 4395 is designed to enhance your smartphone photography experience. This durable and stylish lens adapter ring supports 37mm threaded lenses, providing a seamless connection between your M-mount backplate and the lens mount. Engineered by the renowned designer, Tao Jiang, this protective lens adapter ring is compatible with a wide array of iPhone models, ranging from the iPhone 12 Mini to the iPhone 15 Pro Max. It's an ideal tool for those who want to leverage the power of their iPhone's camera to its full potential. This lens adapter ring is also compatible with the SmallRig Universal iPhone 12 - iPhone 15 Series Cage and the SmallRig iPhone 11 M-series Lens Mount Cage, offering you even more versatility in your photography setup. Please note, to maintain the integrity and longevity of this product, it is advised to keep it away from strong acids.