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Sony A1 Pixel Mapping Maps Out Hot Pixels

re: The Camera Market is Down to Two 35mm Format Contestants: Sony A1 and Canon TBD
re: Sony A7R IV: Which High-Speed and High-Capacity SDXC Cards Are Best?

The Sony A1 has a new feature, one that is also seen in the Sony A7 III: pixel mapping.

Sony doesn’t explain what it does very well, but it appears that the camera takes a dark frame (with the shutter closed), then maps out hot pixels.

If [Pixel Mapping] is not performed regularly, bright spots may appear in recorded images.

If [Auto Pixel Mapping] is set to [Off], perform [Pixel Mapping] regularly. We recommend that you perform the operation once every three days.

Hot pixels are a real thing, and if you take your camera on an airplane trip, chances are pretty good of killing a pixel or two via cosmic rays—not a joke.

Sony A1
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