iPad Why isn't there a protruding camera on the Air 2?

[ElectronGuru]

Unless I'm mistaken, aperture and focal length are not related. Focal length and distance from lens to sensor ARE related. Happy to be corrected, very much an amateur photographer.

It's like tire sizes: 265/75r16. The first number is absolute, actual mm just like focal length. The second number is a ratio based off the width, just like aperture.

Or in money terms, a 2.2 lens is so small in a cell phone (with a focal length of only a few mm), the entire phone is under $1k. A 2.2 lens is so large with a focal length above say 300mm, they cost many thousands and are a rare specialty item.

 

[marmiteturkey]

It's like tire sizes: 265/75r16. The first number is absolute, actual mm just like focal length. The second number is a ratio based off the width, just like aperture.

Or in money terms, a 2.2 lens is so small in a cell phone (with a focal length of only a few mm), the entire phone is under $1k. A 2.2 lens is so large with a focal length above say 300mm, they cost many thousands and are a rare specialty item.

Yes indeed, but money has nothing to do with the original question or my statement. I understand camera lenses fairly well (my favourite being a sigma 50 1.4); my assertion was that apertures have little to do with focal length; and the fact that the iPhone camera is 2.2 and iPad 2.4 should not meaningfully impact the focal length of the lens.