From The Verge · Antonio G. Di Benedetto · · 1 min
Why the iPhone 18 Pro's Best Camera Upgrade Isn't What You Think
The new variable aperture gets all the hype, but a wider maximum aperture makes a far bigger difference in daily photos.
In brief
The new variable aperture gets all the hype, but a wider maximum aperture makes a far bigger difference in daily photos. Ignore the variable aperture gimmick. The real hardware win is the faster f/1.48 lens that improves low light shots and background blur. Originally reported by The Verge.
Variable aperture hits the iPhone
The iPhone 18 Pro camera features a mechanical iris in its main lens that shifts between f/1.48, f/1.8, f/2.8, and f/4.
“Both the iPhone 18 Pro and Pro Max have an adjustable mechanical iris in their main camera modules to let more or less light into the sensor”
Built in manual controls arrive
Apple built pro settings directly into the main camera app. You can manually adjust shutter speed, white balance, and focus without using third party software.
“the manual aperture control comes along with other new pro controls allowing you to dial in shutter speeds, manual white balance, and even manual focusing.”
Small sensors limit aperture benefits
Because smartphone sensors are tiny, most subjects stay in focus regardless of setting. Closing down the lens adds little value to regular photos.
Diffraction can hurt image sharpness
Narrowing the opening to f/4 can actually make photos softer due to lens diffraction. Smaller apertures only help in niche cases like bright direct sunlight.
“In fact, due to lens diffraction , your photos might be less sharp at f/4 than f/1.8 or f/2.8.”
Competitors already abandoned this trick
Android makers like Samsung and Xiaomi previously experimented with physical variable apertures on their flagships, only to quietly remove them later.
“It’s probably why other brands like Samsung and Xiaomi have experimented with variable apertures but quietly ditched them.”
The real hero is f/1.48
The standout hardware change is the maximum aperture widening to f/1.48. It pulls in more light and naturally separates subjects from the background.
“I think the real star feature of the iPhone 18 Pro’s camera is its f/1.48 maximum aperture.”
Craving authentic background blur
Photographers love fast lenses because soft backgrounds isolate subjects. The wider optical lens provides a cleaner look than artificial portrait modes.
“It’s the whole reason Portrait Modes on smartphones came into being in the first place.”
Low light gains last longest
Manual aperture tweaks will likely lose their appeal after the novelty wears off. However, the extra light gathering power of the f/1.48 lens pays off on every shot.
“Just don’t be surprised if you start ignoring that aperture setting after some initial tinkering in the new phone honeymoon phase.”
The big picture
Ignore the variable aperture gimmick. The real hardware win is the faster f/1.48 lens that improves low light shots and background blur.
