<p>
 Here are some images of dried permanent marker film written on the mesh pouch provided with the foldscope. It appears that a convenient approximation of the field of view of the foldscope is one square of the mesh!
</p>
<figure aria-describedby="caption-attachment-31743" class="wp-caption alignnone" id="attachment_31743" style="width: 300px">
 <img alt="20180302_193537" class="size-medium wp-image-31743 gcloudimg" data-attachment-id="31743" data-comments-opened="1" data-image-meta='{"aperture":"1.7","credit":"","camera":"SM-G930V","caption":"","created_timestamp":"1520019337","copyright":"","focal_length":"4.2","iso":"160","shutter_speed":"0.016666666666667","title":"","orientation":"6"}' data-image-title="20180302_193537" data-recalc-dims="1" height="169" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_31742/20180302_193537.jpg" width="300"/>
 <figcaption class="wp-caption-text" id="caption-attachment-31743">
  Permanent marker on mesh foldscope pouch.
 </figcaption>
</figure>
<figure aria-describedby="caption-attachment-31744" class="wp-caption alignnone" id="attachment_31744" style="width: 300px">
 <img alt="20180302_193417" class="size-medium wp-image-31744 gcloudimg" data-attachment-id="31744" data-comments-opened="1" data-image-meta='{"aperture":"1.7","credit":"","camera":"SM-G930V","caption":"","created_timestamp":"1520019257","copyright":"","focal_length":"4.2","iso":"2000","shutter_speed":"0.033333333333333","title":"","orientation":"6"}' data-image-title="20180302_193417" data-recalc-dims="1" height="169" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_31742/20180302_193417.jpg" width="300"/>
 <figcaption class="wp-caption-text" id="caption-attachment-31744">
  broken film of permanent marker between strands of mesh
 </figcaption>
</figure>
<figure aria-describedby="caption-attachment-31741" class="wp-caption alignnone" id="attachment_31741" style="width: 300px">
 <img alt="20180302_193354" class="size-medium wp-image-31741 gcloudimg" data-attachment-id="31741" data-comments-opened="1" data-image-meta='{"aperture":"1.7","credit":"","camera":"SM-G930V","caption":"","created_timestamp":"1520019234","copyright":"","focal_length":"4.2","iso":"2000","shutter_speed":"0.033333333333333","title":"","orientation":"6"}' data-image-title="20180302_193354" data-recalc-dims="1" height="169" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_31742/20180302_193354.jpg" width="300"/>
 <figcaption class="wp-caption-text" id="caption-attachment-31741">
  More film from permanent marker on foldscope pouch mesh
 </figcaption>
</figure>


permanent marker film

Doug Dornier

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