SWIFT S306S-20-2L
#12 in StereoFull review
A fixed-step binocular stereo for hobbies, coins and dissection. Fine for looking, less handy for soldering.
Amazon $229.99$229.99
The SWIFT S306S-20-2L is the better microscope overall, rated 2.8 to 2.7. The SWIFT S306S-20-2L leads on optics. The AmScope SE400X wins on features. The SWIFT S306S-20-2L costs $10 less ($229.99 vs $239.99).
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.
AmScope SE400X
#13 in StereoFull review
A low-power stereo scope with a long reach, for large parts, carving and assembly. Pick a zoom scope if you need more magnification.
Amazon $239.99$239.99
Which should you buy?
- Choose the SWIFT S306S-20-2L for optics (20x to 80x optical vs 5x to 10x optical).
- Choose the AmScope SE400X for features (top light, boom stand vs top light, under-stage 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 | SWIFT S306S-20-2L | AmScope SE400X |
|---|---|---|
| Overall rating | 2.8/5 | 2.7/5 |
| Price 10% | 64 $229.99 | 62 $239.99 |
| Optics 25% | 64 20x to 80x optical | 11 5x to 10x optical |
| Working distance 15% | 50 working distance not published (neutral score used) | 100 229 mm working distance |
| Viewing 20% | 0 fixed steps, binocular head | 0 fixed steps, binocular head |
| Features 20% | 40 top light, under-stage light | 50 top light, boom stand |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| SWIFT S306S-20-2L | AmScope SE400X | |
|---|---|---|
| Optics and imaging | ||
| Optical magnification | 20-80x | 5-10x |
| Zoom | Fixed steps | Fixed steps |
| Eyepieces | WF10x and WF20x | WF5x and WF10x |
| Working distance | - | 229 mm |
| Viewing and output | ||
| Head | Binocular | Binocular |
| Camera included | No | No |
| Stand and lighting | ||
| Stand | Pillar | Boom |
| Lights | Top, Under-stage | Top |
| Light type | LED | - |