SWIFT S7 Double Boom 144-LED
#1 in StereoFull review
A full-size trinocular zoom on a double boom with a bright ring light, for serious bench and lab work. Smaller benches suit the single boom.
Amazon $599.99$599.99
The SWIFT S7 Double Boom 144-LED is the better microscope overall, rated 4.1 to 3.5. The SWIFT S7 Double Boom 144-LED leads on optics and features. The AmScope SM-3T costs $56 less ($543.99 vs $599.99).
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 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
Which should you buy?
- Choose the SWIFT S7 Double Boom 144-LED for optics (3.5x to 90x optical vs 7x to 45x optical) and features (LED ring light, boom stand vs boom stand).
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 S7 Double Boom 144-LED | AmScope SM-3T |
|---|---|---|
| Overall rating | 4.1/5 | 3.5/5 |
| Price 10% | 22 $599.99 | 26 $543.99 |
| Optics 25% | 100 3.5x to 90x optical | 47 7x to 45x optical |
| Working distance 15% | 50 working distance not published (neutral score used) | 50 working distance not published (neutral score used) |
| Viewing 20% | 90 continuous zoom, trinocular head | 90 continuous zoom, trinocular head |
| Features 20% | 60 LED ring light, boom stand | 30 boom stand |
| Warranty 10% | 100 5-year warranty | 100 5-year warranty |
Specifications
| SWIFT S7 Double Boom 144-LED | AmScope SM-3T | |
|---|---|---|
| Optics and imaging | ||
| Optical magnification | 3.5-90x | 7-45x |
| Zoom | Continuous, 0.7-4.5x | Continuous, 0.7-4.5x |
| Eyepieces | WF10x super-widefield | WH10x super-widefield |
| Viewing and output | ||
| Head | Trinocular | Trinocular |
| Camera included | No | No |
| Stand and lighting | ||
| Stand | Double boom | Boom |
| Lights | Ring | None built in |
| Light type | LED | - |
| Build | ||
| Warranty | 5 years | 5 years |