The cheapest trinocular zoom stereo here with its own ring light, for hobby soldering, gems and coins. A boom version suits bigger work.
Amazon $339.99The SWIFT S7 Trinocular Pillar rates 3.6 among stereo microscopes; the Dino-Lite AM4113T rates 2.2 among digital ones. The SWIFT S7 Trinocular Pillar costs $89.01 less ($339.99 vs $429).
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 compact USB inspection microscope with calibrated measurement, for QC and lab work at a computer. Screen scopes cost less if you just want a bigger view.
Amazon $429Scores side by side
These two sit in different type classes (stereo and digital), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | SWIFT S7 Trinocular Pillar | Dino-Lite AM4113T |
|---|---|---|
| Overall rating | 3.6/5 | 2.2/5 |
| Price 10% | 47 $339.99 | 8 $429 |
| Optics 25% | 100 3.5x to 90x optical | 21 1,024p live/video resolution |
| Working distance 15% | 33 100 mm working distance | 20 48.7 mm working distance |
| Viewing 20% | 90 continuous zoom, trinocular head | 20 no screen, PC |
| Features 20% | 30 LED ring light | 25 measurement software |
| Warranty 10% | 0 warranty not published, scored as none | 25 2-year warranty |
Specifications
| SWIFT S7 Trinocular Pillar | Dino-Lite AM4113T | |
|---|---|---|
| Optics and imaging | ||
| Video resolution | - | 1280 x 1024 (1.3MP), 30 fps |
| Photo resolution (stated) | - | 1.3 MP |
| Magnification claim (not scored) | - | 20-50x, 200x optical |
| Optical magnification | 3.5-90x | - |
| Zoom | Continuous, 0.7-4.5x | - |
| Eyepieces | WF10x | - |
| Working distance | 100 mm | 48.7 mm |
| Autofocus | - | No |
| Viewing and output | ||
| Screen | - | None (PC) |
| Head | Trinocular | - |
| Outputs | - | PC |
| Camera included | No | - |
| Measurement software | - | Yes |
| Remote | - | No |
| Stand and lighting | ||
| Stand | Pillar | Handheld |
| Lights | Ring | Top |
| Light type | LED | - |
| Built-in battery | - | No |
| Build | ||
| Warranty | - | 2 years |