davemark, 
How The iPhone 15 Pro camera works and why you’ll want to shoot 24MP photos...
Interview with the #Apple camera folks, a pretty good read. Be sure to search for the word "goldilocks" to learn why 24MP is optimal.
Camera pros: Any quibbles with any of this? 🤔
https://petapixel.com/2023/09/18/apple-explains-what-the-iphone-can-and-cant-do-and-why/