Recent earthquakes in Japan caused Sony to temporarily shut down its image sensor plants in Kumamoto and Nagasaki. One of those plants makes camera sensors for Apple's iPhone. However, the effects of Sony's shutdown are expected to be "limited" for production of the smartphone.

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Reuters reports:

Sony said it will extend the closure of its image sensor plant in Kumamoto, which is in the southern island of Kyushu, after major tremblors on Thursday and Saturday rocked the key manufacturing region.

In a separate Reuters story, Sony said the image sensor plant in Kumamoto was mostly used to make parts for digital cameras. The plant in Nagasaki, which makes image sensors for smartphones, resumed operations on Sunday:

"The impact of the Kumamoto plant suspension on Apple is expected to be limited," Hiroyuki Shimizu, principal research analyst at Gartner, said.