Home / Technology / iPhone 18 Pro's Secret Weapon: Variable Aperture
iPhone 18 Pro's Secret Weapon: Variable Aperture
13 Sep
Summary
- Variable aperture camera uses six laser-cut blades to control light intake.
- Four aperture settings (f/1.48, f/1.8, f/2.8, f/4.0) offer creative control.
- Pro controls allow manual adjustment of aperture, shutter speed, and focus.

The iPhone 18 Pro and Pro Max boast a groundbreaking variable aperture main camera, setting them apart from the iPhone Duo. This innovative technology utilizes six laser-cut blades within the 48MP main lens to dynamically adjust light intake. Apple CEO John Ternus highlighted its ability to improve low-light photography and offer unprecedented creative control.
The camera offers four aperture settings: f/1.48 for maximum light and background blur in portraits, and f/4.0 for maximum sharpness across group shots. Enthusiasts will appreciate the new Pro controls, enabling manual adjustments for aperture, shutter speed, and focus, previously found only in third-party apps. These features empower users to fine-tune shots, from creating artistic stardust effects with smaller apertures to achieving precise focus in any environment.