Apple's published tech specifications indicate that the foldable iPhone Duo's Main camera sensor closely resembles the one in the iPhone 17e rather than the sensor used in the standard iPhone 17, based on the exact wording Apple uses across its comparison pages.
What the specs pages reveal
According to Apple's tech specs page for the iPhone Duo, the device's Main camera is a 26mm, ƒ/1.6 sensor with sensor-shift optical image stabilization and Hybrid Focus Pixels, a combination that also enables a 12MP 2x Telephoto crop from the same sensor. Apple's iPhone 17e specs page lists an identical 26mm, ƒ/1.6 Main camera that also uses Hybrid Focus Pixels, the same autofocus terminology found on the iPhone Duo's listing.
The match isn't perfect, however. The iPhone 17e's specs describe plain




