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Chad Mahadevan

Arri Alexa Mini Digital Dust, Cosmic Radiation and Yoga

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Hey All,

 

I just finished shooting a series of yoga workouts on a black background with the Alexa Mini (2 Camera Shoot). About a month after shooting, the editor noticed a number of white specks throughout the footage (both A and B camera). The white specks would randomly appear in a one frame and disappear in the next (no consistency to area of frame). After speaking with Arri, they believe that this is an environmental issue caused by cosmic radiation. We've currently found about 15 specks within 3 episodes of shooting (which were shot on 3 different days). See below for a couple of samples with the specks. Let me know if you've seen anything like this before. We're going to be shooting the next round in a week and are trying to prevent this issue.

 

Best,

 

Chad Mahadevan

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I have seen similar, but it was on a single, defective camera body... Which we replaced. I don't think one can avoid cosmic rays :(

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