techradar.com
It took exactly one photo for me to realize the awesome power of the iPhone 18 Pro’s variable aperture
Apple’s iPhone 18 Pro Max introduces a variable aperture on its 48‑megapixel main camera, offering five physical f‑stops (ƒ/1.48, ƒ/1.8, ƒ/2.8, ƒ/4.0 and Auto). The mechanism uses interlocked blades thinner than a human hair that slide to widen or narrow the opening, a first for iPhone hardware. Only the main lens receives this capability; the 4× telephoto (ƒ/2.8) and ultrawide (ƒ/2.2) remain fixed. In real‑world testing, the author observed noticeably improved low‑light performance and depth‑of‑field control, likening the effect [...]