General question, I’ve been to concerts where the people sitting next to me can zoom in on the stage and the quality looks the same as if it had none and not blurry at all, compared to mine that are blurry and look crappy.

I initially thought they might have a galaxy or something else but nope iphone.

Am I doing something wrong with my iPhone or don’t know about a tip I should be using? Is it the difference between regular iPhone vs pro?