The larger-screen version of the AD246S-M, for soldering and coin work from the built-in screen. HDMI and PC output let you move to a bigger display later.
Amazon $179.99The Andonstar AD249S-M is the better microscope overall, rated 3.9 to 2.9. The Andonstar AD249S-M leads on optics, features and viewing. The TOMLOV DM9 Max wins on price. The TOMLOV DM9 Max costs $50 less ($129.99 vs $179.99).
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.
A bigger-screen DM9 with a taller stand that suits coin collectors and occasional soldering. Choose a 4K model if you plan to record or use a large monitor.
Amazon $129.99Which should you buy?
- Choose the Andonstar AD249S-M for optics (2,160p live/video resolution vs 1,080p live/video resolution), features (measurement software, remote, boom or flex-arm stand vs remote) and viewing (10.1 in screen, HDMI, PC vs 10.1 in screen, PC).
- Choose the TOMLOV DM9 Max for price ($129.99 vs $179.99).
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 AD249S-M | TOMLOV DM9 Max |
|---|---|---|
| Overall rating | 3.9/5 | 2.9/5 |
| Price 10% | 56 $179.99 | 74 $129.99 |
| 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% | 100 10.1 in screen, HDMI, PC | 70 10.1 in screen, PC |
| Features 20% | 55 measurement software, remote, boom or flex-arm stand | 15 remote |
| Warranty 10% | 0 warranty not published, scored as none | 25 2-year warranty |
Specifications
| Andonstar AD249S-M | TOMLOV DM9 Max | |
|---|---|---|
| Optics and imaging | ||
| Video resolution | 2160p | 1080p |
| Photo resolution (stated) | - | 20 MP |
| Magnification claim (not scored) | Lens L 15-60x on screen (with 3x digital zoom) | 5-1500x |
| Interchangeable lenses | 3 | - |
| Autofocus | No | No |
| Viewing and output | ||
| Screen | 10.1 in | 10.1 in |
| Outputs | HDMI, PC | PC |
| Measurement software | Yes | No |
| Remote | Yes | Yes |
| Stand and lighting | ||
| Stand | Boom | Pillar |
| Stand height | - | 12.6 in |
| Lights | Top | Top |
| Built-in battery | No | No |
| Build | ||
| Warranty | - | 2 years |
