AmScope SM-4TPZ
#2 in StereoFull review
A wide-range trinocular stereo on a double boom for bench and lab work on large items. Add a ring light and camera to finish the setup.
Amazon $680.99$680.99
The AmScope SM-4TPZ is the better microscope overall, rated 3.9 to 2.4. The AmScope SM-4TPZ leads on optics, viewing and features. The Bresser Biorit ICD-CS costs $52.94 less ($628.05 vs $680.99).
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.
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-4TPZ for optics (3.5x to 90x optical vs 5x to 20x optical), viewing (continuous zoom, trinocular head vs fixed steps, binocular head) 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-4TPZ | Bresser Biorit ICD-CS |
|---|---|---|
| Overall rating | 3.9/5 | 2.4/5 |
| Price 10% | 17 $680.99 | 20 $628.05 |
| Optics 25% | 100 3.5x to 90x 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-4TPZ | Bresser Biorit ICD-CS | |
|---|---|---|
| Optics and imaging | ||
| Optical magnification | 3.5-90x | 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 | Double boom | Swivel arm |
| Lights | None built in | Top |
| Light type | - | LED |
| Build | ||
| Warranty | 5 years | - |