Apple put a lot of its focus on the professional camera features in the new iPhone 15 Pro and Pro Max  during this week's launch event.

In fact, Apple dropped so many concepts, terms, and acronyms in such a short space of time that it might have left your head spinning. 

Also: Everything Apple just announced: iPhone 15, Apple Watch Ultra 2, AirPods

Fear not, as now we have time to breathe, we can go back over these features and explain their significance.

Let's start with the information dump in this one slide:

Focal lengthis a shorthand for explaining how wide an image the camera lens will capture. The smaller the number, the wider the capture. 

Technically here, the lens isn't a 24 millimeter lens, but a 24 millimeter-equivalent lens, but we will overlook that.

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