A portable binocular stereo for field and classroom use with a long warranty. Its short working distance rules it out for repair work.
Amazon $210.99The OMAX G223E is the better microscope overall, rated 2.6 to 2.3. The OMAX G223E leads on warranty, optics and features. The Celestron Labs S20 wins on price. The Celestron Labs S20 costs $143.80 less ($67.19 vs $210.99).
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 simple, cheap 20x stereo for looking at bugs, stamps and coins in 3D. It is too limited for repair work.
Amazon $67.19Which should you buy?
- Choose the OMAX G223E for warranty (5-year warranty vs 2-year warranty), optics (20x to 40x optical vs 20x fixed) and features (top light, under-stage light vs top light).
- Choose the Celestron Labs S20 for price ($67.19 vs $210.99).
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 | OMAX G223E | Celestron Labs S20 |
|---|---|---|
| Overall rating | 2.6/5 | 2.3/5 |
| Price 10% | 68 $210.99 | 100 $67.19 |
| Optics 25% | 25 20x to 40x optical | 0 20x fixed |
| Working distance 15% | 5 57 mm working distance | 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
| OMAX G223E | Celestron Labs S20 | |
|---|---|---|
| Optics and imaging | ||
| Optical magnification | 20-40x | 20x |
| Zoom | Fixed steps | Fixed steps |
| Eyepieces | WF10x and WF20x | 10x |
| Field of view | 10 mm | - |
| Working distance | 57 mm | - |
| Viewing and output | ||
| Head | Binocular | Binocular |
| Camera included | No | No |
| Stand and lighting | ||
| Stand | Pillar | Pillar |
| Lights | Top, Under-stage | Top |
| Light type | LED | LED |
| Build | ||
| Warranty | 5 years | 2 years |
