Andonstar AD246S-M
#6 in DigitalFull review
A budget all-rounder for soldering and coins with 4K HDMI out and a boom stand. Pick the 10.1 in AD249S-M if you will work from its own screen.
Amazon $139.99$139.99
The Andonstar AD246S-M is the better microscope overall, rated 3.8 to 2.6. The Andonstar AD246S-M leads on optics, viewing and features. The Koolertron 7 in LCD Microscope wins on price. The Koolertron 7 in LCD Microscope costs $50 less ($89.99 vs $139.99).
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 7 in LCD Microscope
#15 in 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$89.99
Which should you buy?
- Choose the Andonstar AD246S-M for optics (2,160p live/video resolution vs 1,080p live/video resolution), viewing (7 in screen, HDMI, PC vs 7 in screen) and features (measurement software, remote, boom or flex-arm stand vs built-in battery).
- Choose the Koolertron 7 in LCD Microscope for price ($89.99 vs $139.99).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every digital microscope; a clear win is highlighted. How we rank explains each one.
| Factor weight | Andonstar AD246S-M | Koolertron 7 in LCD Microscope |
|---|---|---|
| Overall rating | 3.8/5 | 2.6/5 |
| Price 10% | 69 $139.99 | 94 $89.99 |
| Optics 25% | 100 2,160p live/video resolution | 25 1,080p live/video resolution |
| Working distance 15% | 50 working distance not published (neutral score used) | 50 working distance not published (neutral score used) |
| Viewing 20% | 70 7 in screen, HDMI, PC | 20 7 in screen |
| Features 20% | 55 measurement software, remote, boom or flex-arm stand | 15 built-in battery |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Andonstar AD246S-M | Koolertron 7 in LCD Microscope | |
|---|---|---|
| Optics and imaging | ||
| Video resolution | 2160p | 1080p |
| Photo resolution (stated) | - | 12 MP |
| Magnification claim (not scored) | Lens L 15-60x on screen (with 3x digital zoom) | 1-1200x |
| Interchangeable lenses | 3 | - |
| Autofocus | No | No |
| Viewing and output | ||
| Screen | 7 in | 7 in |
| Outputs | HDMI, PC | Screen only |
| Measurement software | Yes | No |
| Remote | Yes | No |
| Stand and lighting | ||
| Stand | Boom | Pillar |
| Lights | Top | Top |
| Built-in battery | No | Yes |