AmScope SE306R-PZ
#9 in StereoFull review
An entry stereo microscope with a long warranty, for coins, insects and inspection at fixed powers. A zoom scope is easier to use for soldering.
Amazon $221.99$221.99
The AmScope SE306R-PZ is the better microscope overall, rated 3.2 to 2.3. The AmScope SE306R-PZ leads on optics, warranty and features. The Celestron Labs S20 wins on price. The Celestron Labs S20 costs $154.80 less ($67.19 vs $221.99).
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.
Celestron Labs S20
#16 in StereoFull review
A simple, cheap 20x stereo for looking at bugs, stamps and coins in 3D. It is too limited for repair work.
Amazon $67.19$67.19
Which should you buy?
- Choose the AmScope SE306R-PZ for optics (20x to 80x optical vs 20x fixed), warranty (5-year warranty vs 2-year warranty) and features (top light, under-stage light vs top light).
- Choose the Celestron Labs S20 for price ($67.19 vs $221.99).
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 SE306R-PZ | Celestron Labs S20 |
|---|---|---|
| Overall rating | 3.2/5 | 2.3/5 |
| Price 10% | 65 $221.99 | 100 $67.19 |
| Optics 25% | 64 20x to 80x optical | 0 20x fixed |
| Working distance 15% | 50 working distance not published (neutral score used) | 50 working distance not published (neutral score used) |
| Viewing 20% | 0 fixed steps, binocular head | 0 fixed steps, binocular head |
| Features 20% | 40 top light, under-stage light | 20 top light |
| Warranty 10% | 100 5-year warranty | 25 2-year warranty |
Specifications
| AmScope SE306R-PZ | Celestron Labs S20 | |
|---|---|---|
| Optics and imaging | ||
| Optical magnification | 20-80x | 20x |
| Zoom | Fixed steps | Fixed steps |
| Eyepieces | WF10x and WF20x | 10x |
| Viewing and output | ||
| Head | Binocular | Binocular |
| Camera included | No | No |
| Stand and lighting | ||
| Stand | Pillar | Pillar |
| Lights | Top, Under-stage | Top |
| Light type | - | LED |
| Build | ||
| Warranty | 5 years | 2 years |