All four iPhone 13 models have an upgraded Ultra Wide camera lens with a larger ƒ / 1.8 aperture, compared to ƒ / 2.4 on the iPhone 12 models, analysts at Barclays, Blayne Curtis and Thomas O’Malley , said in an investor letter shared with MacRumors.
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In a TF International Securities investor letter in November, Apple analyst Ming-Chi Kuo also claimed that the Ultra Wide lens would be upgraded to a ƒ / 1.8 aperture, but only on the iPhone 13 Pro models, so there is conflicting information on exactly how many models the lens upgrade will get. Kuo expects the upgraded Ultra Wide lens to expand to the rest of the flagship iPhone range in the second half of 2022.
A wider aperture allows more light to pass through the lens, and shifting a aperture from ƒ / 2.4 to ƒ / 1.8 is likely to result in significantly improved low light performance when in Ultra Wide mode on iPhone 13 models shoot.
Barclays also claims that the upgraded telephoto lens of the iPhone 12 Pro Max will expand to the standard iPhone 13 Pro, with a focal length of 65 mm and a diaphragm of ƒ / 2.2, which is expected to benefit chipmaker Cirrus Logic, as it will provide Apple with a camera controller for an additional iPhone model starting later this year.
Apple is expected to keep the same screen sizes and camera settings for the iPhone 13 series, including 5.4-inch and 6.1-inch models with dual-lens cameras and 6.1-inch and 6.7-inch triple models lens cameras. Other rumors about camera features include extending the LiDAR scanner and sensor slider image stabilization to more models.