The following appeared on the Travis Hale – Science and Photography YouTube Channel and has automatically been posted on TravisHale.com.

A brief look at Helicon Remote (a focus stacking controller) on Android controlling my Nikon D610 and the Sigma 150mm Macro. Apologies for the poor audio quality.

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The video can also be viewed at: https://youtu.be/rucwLq5ZdHQ