AmScope SM-3T
#6 in StereoFull review
A classic trinocular zoom stereo on a boom stand for board repair and dental or jewelry work. Budget for a ring light.
Amazon $543.99$543.99
The AmScope SM-3T is the better microscope overall, rated 3.5 to 2.4. The AmScope SM-3T leads on viewing, optics and features. The AmScope SM-3T costs $84.06 less ($543.99 vs $628.05).
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.
Bresser Biorit ICD-CS
#15 in StereoFull review
A long-reach, low-power stereo for large objects, carving and assembly work. Its price is high for the magnification.
Amazon $628.05$628.05
Which should you buy?
- Choose the AmScope SM-3T for viewing (continuous zoom, trinocular head vs fixed steps, binocular head), optics (7x to 45x optical vs 5x to 20x optical) and features (boom stand vs top light).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every stereo microscope; a clear win is highlighted. How we rank explains each one.
| Factor weight | AmScope SM-3T | Bresser Biorit ICD-CS |
|---|---|---|
| Overall rating | 3.5/5 | 2.4/5 |
| Price 10% | 26 $543.99 | 20 $628.05 |
| Optics 25% | 47 7x to 45x optical | 21 5x to 20x optical |
| Working distance 15% | 50 working distance not published (neutral score used) | 100 250 mm working distance |
| Viewing 20% | 90 continuous zoom, trinocular head | 0 fixed steps, binocular head |
| Features 20% | 30 boom stand | 20 top light |
| Warranty 10% | 100 5-year warranty | 0 warranty not published, scored as none |
Specifications
| AmScope SM-3T | Bresser Biorit ICD-CS | |
|---|---|---|
| Optics and imaging | ||
| Optical magnification | 7-45x | 5-20x |
| Zoom | Continuous, 0.7-4.5x | Fixed steps |
| Eyepieces | WH10x super-widefield | - |
| Working distance | - | 250 mm |
| Viewing and output | ||
| Head | Trinocular | Binocular |
| Camera included | No | No |
| Stand and lighting | ||
| Stand | Boom | Swivel arm |
| Lights | None built in | Top |
| Light type | - | LED |
| Build | ||
| Warranty | 5 years | - |