A battery-powered 9 in scope for coins and PCB inspection on a budget. The listing leaves out its video resolution and warranty.
Amazon $90.142 Koolertron microscopes ranked. Each one is scored and ranked against every brand in its type, so "#3 mid-size" means third of all mid-size microscopes here, not third among Koolertron's own.
Koolertron makes 2 current microscopes: 2 digital. Prices run from $89.99 for the Koolertron 7 in LCD Microscope to $90.14 for the Koolertron 9 in LCD Microscope. Its best-rated model: the Koolertron 9 in LCD Microscope (#11 of 16 digital, rated 3.0).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Koolertron microscopes 2
- Koolertron 9 in LCD Microscope#11 digitalFull review
A battery-powered 9 in scope for coins and PCB inspection on a budget. The listing leaves out its video resolution and warranty.
Amazon $90.14$90.14--9 in - Koolertron 7 in LCD Microscope#15 digitalFull review
A cheap portable screen scope for coins, stamps and quick looks at a board. It can’t send its picture anywhere else.
Amazon $89.99$89.991080p-7 in