The iPhone 17 sequence is almost right here – Apple has introduced that its annual September occasion will happen on September 9, which is lower than every week away on the time of writing. We’re anticipating full reveals for the iPhone 17, iPhone 17 Air, iPhone 17 Professional, and iPhone 17 Professional Max.
Naturally, we’re anticipating the iPhone 17 Professional and iPhone 17 Professional Max to convey essentially the most superior upgrades – one such rumored improve issues the 5x telephoto digicam, which has been tipped to get a decision bump from 12MP as much as 48MP.
That’s 4 instances as many pixels whole twice as many on each the vertical and horizontal axes – a 48MP sensor would make the iPhone 17 Professional’s telephoto digicam higher at selecting up nice element, as long as the sensor is of an equal or bigger dimension to its predecessor.
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The Xiaomi 15 sports activities three cameras of equivalent decision, which lends properly to a constant picture expertise. (Picture credit score: Jamie Richards / Future)
The transfer to a 48MP telephoto digicam would see all three iPhone cameras sporting the identical decision for the primary time because the iPhone 13 Professional launched in 2021 with three 12MP cameras. That symmetry may have optimistic impacts past trying good on the spec sheet.
Again in March, I examined the Xiaomi 15, which sports activities a digicam system with three 50MP sensors. The telephone comes with a wide-angle principal digicam, secondary ultra-wide digicam, and a couple of.6x telephoto digicam. As I wrote in our Xiaomi 15 evaluation, this lends itself to an exceptionally constant pictures expertise.
Utilizing the Xiaomi 15, I by no means seen a lot of a distinction in picture high quality between the primary, ultra-wide, and telephoto cameras, and whereas a number of that is right down to Xiaomi’s nice picture processing, there’s one thing to be stated for conserving the {hardware} as constant as doable.
The objective for any telephone maker seeking to produce probably the greatest digicam telephones is to create a seamless expertise, which isn’t any imply feat once you’re working with three completely different cameras. If any of the cameras stands out as weaker indirectly, it may find yourself disregarded in favor of the opposite choices (see my earlier rant about ultra-wide cameras).
Fusion zoom?
Apple supposes that the 48MP principal digicam on the iPhone 16 and iPhone 16 Professional can provide 2x “optical” zoom, which is not actually true. (Picture credit score: Future)
Upping the iPhone’s telephoto digicam decision to 48MP would most likely see Apple use the identical logic that leads it to say that the 48MP Fusion Digicam (learn: principal digicam) comes with “2x optical zoom”.
What I imply by that is {that a} 2x crop of a 48MP picture leaves you with a 12MP picture. If the picture produced by the iPhone’s 48MP telephoto digicam has 5x optical zoom, then doubling this produces a 12MP picture at 10x digital zoom. Apple may name this “optical” high quality zoom as a result of the telephoto digicam on the iPhone 16 provided a 12MP picture at native decision.
You may need labored out that that is largely a advertising and marketing time period that has little to do with precise optical zoom. However there is a half-truth in there – if the iPhone 17 Professional can produce a handsome 12MP picture at 10x zoom, it’ll have a shot at providing the very best 10x zoom in the marketplace.
That’s a number of impression from one comparatively minor change – however simply take into account that the above is predicated on rumors. We’ll get official details about the iPhone 17 sequence on the Apple occasion on September 9 – till then, tell us what you wish to see from the iPhone 17 Professional within the feedback beneath.

