Lapsun 4K Microscope - Sony IMX377 (?) - Follow up and 0.75x Barlow lens test

This is a quick follow up on my previous video where I reviews the Lapsun 4K microscope. In the video I am testing a 0.75x Barlow Lens I have purchased. Will it work and be useful? Previous video with full unbox and review:    • Lapsun 4K Microscope - Sony IMX377 (?) - U...   Content list 00:16 introduction 01:18 Without Barlow lens 02:08 Testing the 0.75 Barlow Lens 05:05 1x Barlow Lens 05:39 General Feedback on the Microscope 06:56 Stand upgrade 1 07:32 Stand Upgrade 2 08:38 Goodbye!