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Apple could finally fix iPhone’s longstanding camera flare issue

New ALD coating can help reduce lens flare

A rumor originating from China by leaker @Yeux1122 says Apple is testing new Atomic Layer Deposition (ALD) equipment for a special coating that will help reduce lens flares. The company will seemingly only use the coating on the iPhone 16 Pro lineup.

Lens fare on iPhones has been an issue since the 2012 iPhone 5. Over the years, Apple has used various coatings and improved glass lenses to enhance light transmission and reduce flares. But despite the company’s best efforts, the issue remains and is mainly prevalent while recording videos. The new ALD coating might help Apple reduce flaring to a large extent, if not fix it entirely.

Besides reducing glare, the coating can help improve light transmission and unwanted flaring.

Apple working on big anti-reflective upgrades for future iPhones

The new coating could be one of the many camera upgrades Apple is planning for the iPhone 16 Pro. A previous leak indicates the iPhone’s camera module could get a radical redesign, helping it stand out from the previous generation of the phone.

Given this leak’s timing, there’s a possibility of the ALD coating not being ready for use in the iPhone 16 Pro series. In that case, Apple could use the coating on the iPhone 17 Pro in 2025.

Like the camera coating, Apple is testing a major anti-reflective update for the iPhone 17’s display. It will help reduce glares and reflection while also improving the scratch resistance of the cover glass.

iPhone 16 Pro Camera May Be Less Prone to Lens Flare and Ghosting

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Apple is testing a new anti-reflective optical coating technology for future iPhone cameras that could improve the quality of photos by reducing artifacts like lens flare and ghosting, claims a rumor out of Korea.

iPhone 16 Pro Perspective Feature
According to the news aggregator account “yeux1122” on the Naver blog, citing a company source within Apple’s supply chain, Apple is looking at introducing new atomic layer deposition (ALD) equipment into the iPhone camera lens manufacturing process.

ALD involves depositing materials one atomic layer at a time onto a substrate, allowing for extremely precise control over thickness and composition. Its use allows manufacturers to apply very thin layers of materials onto semiconductor devices, including camera components.

In terms of camera lenses, ALD can be used to apply anti-reflective coatings, which can help to reduce photographic artifacts like streaks of light and halos that can occur in the final image when a bright light source such as the sun shines directly into the lens.

ALD can also reduce ghosting, a type of image distortion where faint, secondary images appear in the photo, typically opposite a bright light source. This happens when light reflects back and forth between the surfaces of the lens elements and the camera sensor.

In addition, ALD-applied materials can protect against environmental damage to the camera lens system without affecting the sensor’s ability to capture light effectively.

The Naver blog claims that the manufacturing process will be applied to a “Pro model” in Apple’s “next-generation” iPhone lineup, which sounds like a reference to one or both premium models in the iPhone 16 series, although given the timing of the rumor, the possibility that this method is being tested for next year’s iPhone 17 Pro models should not be discounted.

Both upcoming iPhone 16 Pro models are expected to include a tetraprism lens with up to 5x optical zoom – a feature that is currently exclusive to the iPhone 15 Pro Max in Apple’s smartphone lineup. Apple usually launches its new-generation iPhones around mid-September.

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