When using Zoom to share non-digital content, we recommend the following options:

• Share Second Camera — Select the Share button in Zoom, click on Advanced at the top and then choose the option for Second camera.
  
  
  
• Share Application — Select the Share option in Zoom, then choose the application you are using with your Reach camera, such as Microsoft Camera App. Make sure to also check the option to Optimize for video clip.
  

If you are using your Reach camera as the main camera in Zoom, be sure to uncheck Mirror my video under Camera settings: