On recording on miniscope

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Naoki Tomita

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Jun 10, 2024, 3:05:41 AMJun 10
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Dear there,

When recording for longer periods of time on Miniscope, we noticed that the entire screen became brighter as time went on.
(The settings at the time of shooting were Gain: 3.5, FPS: 10 and the shooting environment was pitch-dark.)
Furthermore, I have tried it on other miniscopes I own and have confirmed the same phenomenon on all other miniscopes.

Actual recordings of 0~100 seconds and 500~600 seconds are attached.
(It was filmed at FPS 10, so it would have been played back at 6x speed.)

Is this normal behaviour of Miniscope?
Or do you need ageing to record stable data?

We would be grateful for your help in resolving this issue.  
We look forward to hearing from you.
0-100 s.mp4
500-600 s.mp4
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