There are a few different monoculars that work with the iPhone 12 Pro. The most popular one is the Carson 3D series monocular. This particular monocular works with all iPhone models, including the 12 Pro. It's a great choice for anyone looking for a high-quality monocular that's easy to use and comes with a lot of great features. Another option is the Solomark Night Vision Monocular. This monocular is specifically designed for use with night vision devices, making it a great choice for anyone who wants to be able to see in the dark. It's also compatible with all iPhone models, including the 12 Pro. Finally, there's the Bushnell Legend Ultra HD Monocular. This monocular is a great choice for anyone who wants a high-quality, durable monocular that's easy to use. It's also compatible with all iPhone models, including the 12 Pro.