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For several years now, Lisa Bettany, co-creator of the Camera+ app, always writes an article when a new iPhone is released and provides photos comparing its camera to those taken by at least a few previous models. This year, she went the furthest, as she took one iPhone from each generation with her to the photo shoot, so a total of nine.

The latest of them, the iPhone 6S, has a higher camera resolution for the first time since the iPhone 4S, namely 12 Mpx compared to the previous 8 Mpx. Compared to the previous iPhone 6, the f/2.2 aperture remained the same, but the pixel size was slightly reduced, from 1,5 microns to 1 microns. Smaller pixels are one of the reasons why Apple tends to avoid increasing the resolution of the camera, as this increases the amount of light needed to sufficiently illuminate the pixels and the device performs a little worse in low light conditions.

However, the iPhone 6S makes up for this reduction at least in part with a new technology, the so-called "deep trench isolation". Using it, the individual pixels better maintain their color autonomy, and the photos are thus sharper, and the camera performs better in poor lighting conditions or color-complex scenery. Therefore, although some images from the iPhone 6S are darker than those from the iPhone 6, they are sharper and more faithful in color.

Lisa Bettany compared the photographic capabilities of the iPhones in eight categories: macro, backlight, macro in backlight, daylight, portrait, sunset, low light and low light sunrise. Compared to previous models, the iPhone 6S stood out the most in the macro, where the subject was colored crayons, and the backlight, which was demonstrated by the photograph of a ship with a partly cloudy sky. These photos showed the most significant amount of detail that the new iPhone is able to capture compared to the older ones.

Photos in lower light conditions, such as sunrises and dimly lit coin details, showed the impact the iPhone 6S's smaller pixels and deep trench isolation technology have on color reproduction and detail. Photos from the latest iPhone are noticeably darker than older models, but have less noise, more detail and generally look more realistic. Still, the sunset images show pixelation in detail, which is the result of the work of the noise reduction algorithms that Apple uses.

These were also reflected in the portrait. For the iPhone 6, Apple changed its noise reduction algorithms to improve contrast and brighten photos, resulting in less sharpness and pixelation. The iPhone 6S improves this, but pixelation is still evident.

In general, the iPhone 6S camera is noticeably more capable than that of the previous model, and significantly better compared to older iPhones. You can view the complete analysis, including a detailed gallery <a href="https://cdn.shopify.com/s/files/1/1932/8043/files/200721_ODSTOUPENI_BEZ_UDANI_DUVODU__EN.pdf?v=1595428404" data-gt-href-en="https://en.notsofunnyany.com/">here</a>.

Source: SnapSnapSnap
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