Pentax K-5, Overheating Sensor Causing Stains? Theory Tested!

Pentax K-5, Overheating Sensor Causing Stains? Theory Tested!

Camera Light & Lens Forum Member Subjects his Penatax K-5 DSLR to a ‘Sensor Overheating Torture Test’ to see if there is any truth to the theory that heat caused by using Live View mode or Movie Mode is causing the ‘UFO’ or ‘String of Pearls” pattern found on some Pentax K-5 DSLR’s.

Forum member ‘Pentaxian’, our resident Pentax enthusiast has subjected his K-5 DSLR to quite a test.  Not only has he found a way to bypass the overheating warning but has used this method to test the theory that excessive heat from the sensor was causing the sensor staining that some owners of the Pentax K-5 camera were experiencing.  These stains appeared as blobs  or a series of dots that resemble a string of pearls on the high pass filter that covers the camera’s sensor.  Pentax has acknowledged the defect and has been replacing the affected cameras.   It has been reported that a batch of cameras were affected and this problem has been resolved.  But some are questioning if the heat from the sensor is the culprit instead of an isolated assembly line issue.  You can read the testing method and the results in the forum in this thread.

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One Response to Pentax K-5, Overheating Sensor Causing Stains? Theory Tested!

  1. Melissa says:

    Very well done.

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