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Canon EOS 90D Shutter Calibration & Count Reset Plugin

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Click this tab bar to view each feature of the plugin
Shutter Timing
Calibrate your shutter without expensive test equipment

Fine-tune high shutter speeds using histograms — no costly test gear required.

The software guides you step-by-step, saving time and effort.

⚠️ For accurate results, use a calibrated light source like a lightbox.

X Contact Timing
Check and adjust X Contact Timing if needed
X Contact Timing
Shutter Count
Reset the current Shutter Count to '0' after a shutter replacement
Shutter Count

View and Change the Shutter Count and Previous Shutter.
You can read the Total Shutter Count.

Mirror Count
Reset the current Mirror Count to '0' after a mirror box replacement
Mirror Count

You can also reset the Previous Mirror Boxes and read the Total Mirror count.

Release Count
Changing the Count in the Camera's Menu
Release Count
This model’s software lets you reset the Release Count — essential when replacing the Main Board without original data.

⚠️ Looking to change the number displayed in the camera’s menu or in shutter-count apps? Both are actually the Release Count! You must change the RELEASE COUNT.

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