Image quality is more dependant on the camera than the microscope. low resolution camera will always produce a low resolution image. We bought one last year, the camera 5mp unit (2592x1944) where as the same microscope was available considerably cheaper with a vga (640x480) camera. Ours is a trinocular, so it has the binocular eyepieces for a human to look thru, and the third back stand for the camera to sit in.Interested in this.
I recently purchased a USB microscope from Aliexpress, but very disappointed with the quality of the image.
Here is the Amazon link for that one. https://www.amazon.com/Jiusion-4-3inch-Screen-Digital-Microscope/dp/B07D9FK8LWPaul:
Ms. Dorothey Morgan of the Kentucky Queen Bee Breeders Association recommends the following digital microscope after testing dozens of models currently available online:
I have this one and it works reasonably well for looking for mite damage, etc.