1. The iPhone 17 Pro Max is expected to be the first iPhone to feature three 48MP cameras. This would represent a significant upgrade from the current 12MP cameras found in the latest iPhone models. The increased megapixel count could result in improved image quality, particularly in low-light conditions and when capturing high-resolution photos.

2. The article suggests that the three 48MP cameras on the iPhone 17 Pro Max could be used for different purposes, such as a primary wide-angle lens, a telephoto lens, and a third lens for specialized photography, like ultra-wide-angle shots. This could provide users with more versatility and flexibility when it comes to capturing various types of images.

3. The report also mentions that the iPhone 17 Pro Max could be the first iPhone to feature a periscope-style telephoto lens, which could offer improved optical zoom capabilities compared to the current digital zoom found in recent iPhone models. This could be a significant improvement for users who frequently take photos of distant subjects.