Two key Apple suppliers in patent battle over tetraprism lens

Two key Apple suppliers are reported to be in a patent battle over the iPhone 15 Pro Max tetraprism lens. The maker of the periscope lens currently exclusive to the top-end iPhone 15 is seemingly concerned about competition from another Apple lens supplier.

For once, this battle doesn’t directly involve Apple – it’s between Taiwanese lens maker Largan Precision, and Chinese lens company Yujingguang …

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