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September 14th, 2024

iPhone 16 Pro lets users capture ProRAW photos in JPEG-XL format

The iPhone 16 Pro captures ProRAW photos in JPEG-XL format, offering smaller file sizes without quality loss. It features advanced video capabilities and is available for pre-order, launching September 20.

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iPhone 16 Pro lets users capture ProRAW photos in JPEG-XL format

The iPhone 16 Pro introduces the capability to capture ProRAW photos in the JPEG-XL format, a feature confirmed by firmware code prior to the device's launch. This format allows for the compression of RAW images, resulting in smaller file sizes without sacrificing quality. Users can choose between JPEG Lossless, JPEG-XL Lossy, and JPEG-XL Lossless options, with file sizes ranging from 11 MB to 46 MB depending on the resolution and compression type. In comparison, a 48MP ProRAW photo from the iPhone 15 Pro is approximately 75MB. While only the iPhone 16 Pro can capture images in JPEG-XL, any device running iOS 17 or macOS 14 can view these images. Additional camera features of the iPhone 16 Pro include the ability to shoot 4K video at 120 frames per second, enhanced Photographic Styles for real-time adjustments, and a new 48-megapixel ultra-wide lens. The iPhone 16 models are available for pre-order, with an official launch scheduled for September 20.

- iPhone 16 Pro can capture ProRAW photos in JPEG-XL format.

- JPEG-XL offers smaller file sizes while maintaining image quality.

- Users can select from multiple JPEG-XL options based on their needs.

- The iPhone 16 Pro features advanced video capabilities and new camera enhancements.

- Pre-orders for the iPhone 16 models are currently open, with a launch date of September 20.

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Link Icon 7 comments
By @londons_explore - 4 months
Smartphone cameras for the past ~8 years have been using multiple frames to improve noise performance, resolution and dynamic range. Sometimes as many as 128 frames are stacked, over many seconds, especially in low light. Gyro and optical flow data is also used to help align frames, and noise models to decide how to blend them (and avoid ghosting when things are changing in the frame).

How exactly does one fit 128 frames of lossless data from a 12 megapixel sensor into an 18 megabyte file?

Or is ProRAW not as RAW or as lossless as the name would imply?

By @chrisan - 4 months
Kinda sidebar here, apologies, but a question for any DSLR/Mirrorless owners out there:

I've always been frustrated by the reach of phone cameras and finally got a mirrorless and 100-400 lens. It is an aps-c so the equivalent max focal length is 640mm which has been great for wildlife or some long views out on a hike. The sensor is 32.5MP which knocks the socks off my old iphone 12 pro, however this new 16 (or maybe it started with 15?) is 48MP.

Now I know its going to be unlikely we see a phone camera with the reach - but what about landscape photography? Would a 16 pro on a tripod be able to compete with real camera gear. I assume you can focus stack or bracket with ProRAW? This hobby is expensive and just trying to decide if I invest in a lens (my only other one is the kit lens) for landscape.

Final output would be for a 4k tv (samsung frame is nice for that) or possibly print

By @ksec - 4 months
Guess I will be buying a iPhone 16 Pro then.
By @out_of_protocol - 4 months
Big note, the article is about RAW compression and not standalone .jxl image files