If you’re about to spend money on lenses and filters for the iPhone 17 Pro or Pro Max, this video is my “pause button” for you. I walk you through what you must know before you buy anything—because with mobile filmmaking, it’s really easy to get excited, grab a bunch of gear, and then realize it doesn’t actually match the way you shoot. My goal is to help you pick what you’ll truly use and avoid wasting money on accessories that look cool on a product page but don’t solve your real filming problems. I also talk about the REEFLEX G‑Series lenses and their Telephoto 240mm option, plus the REEFLEX apps, and how I think about choosing add‑on optics for iPhone. Instead of buying “everything,” I recommend thinking in shots: what focal lengths you’re missing, whether you need reach, and what kind of look you’re trying to create. If you want a more structured path, I also point you to my Smartphone Filmmaking Course where I break down shooting, editing, and building a reliable mobile kit that makes sense for your style.