All four iPhone 13 models will have an improved ultra-wide angle lens with a wider aperture of ƒ / 1.8, compared to ƒ / 2.4 on iPhone 12 models, Barclays analysts Blayne Curtis and Thomas O’Malley said in an investor note shared with MacRumors.
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In an investor note with TF International Securities in November, Apple analyst Ming-Chi Kuo also claimed that the ultra-wide angle lens will be upgraded to ƒ / 1.8 aperture, but only on iPhone 13 Pro models, so there is conflicting information on exactly how many models get the lens upgrade. Kuo expects the upgraded ultra-wide-angle lens to be extended to the rest of the iPhone series flagship in the second half of 2022.
A wider aperture would allow more light to pass through the lens, with shifting an aperture from ƒ / 2.4 to ƒ / 1.8 will likely result in significantly better low-light performance when shooting in Ultra Wide mode on iPhone 13 models.
Barclays also claimed that the upgraded telephoto lens from the iPhone 12 Pro Max will be expanded to the standard iPhone 13 Pro, with a focal length of 65mm and an aperture of ƒ / 2.2, a move that chipmaker Cirrus Logic is expected to take advantage of. as it would provide Apple with a camera controller for an additional iPhone model starting later this year.
Apple is expected to stick to 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 models with cameras with three lenses. Other rumors of camera features include the expansion of the LiDAR scanner and sensor-shift image stabilization to more models.