> For the complete documentation index, see [llms.txt](https://support.senterasensors.com/65r-sensor-user-guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.senterasensors.com/65r-sensor-user-guide/65r-sensor/specifications/ground-sample-distance-chart.md).

# Ground Sample Distance Chart

The following charts show the change in Ground Sample Distance(GSD) per pixel for 65R Series Sensors.

{% hint style="warning" %}
Flying below recommended altitude will bring sensor out of focus and reduce image quality
{% endhint %}

### Metric

<figure><img src="https://3675182560-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FXxc0lOfDa92aCfFa5lb4%2Fuploads%2FyP5hbkaOiXymNNmJDOlr%2F65R_m.png?alt=media&amp;token=71baed19-b97d-49e6-b134-ab8ab310afac" alt=""><figcaption></figcaption></figure>

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### Imperial

<figure><img src="https://3675182560-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FXxc0lOfDa92aCfFa5lb4%2Fuploads%2FGFzu4hwCAKsumjosTG4H%2F65R_i.png?alt=media&amp;token=9e4de7d8-4b3d-4c2d-8794-44e1506efa7c" alt=""><figcaption></figcaption></figure>