Product Comparison
YCS 71 Ultra Trinocular Microscope vs YCS 6558X Trinocular Microscope
Two YCS trinocular stereo zoom microscopes, different philosophies. The 6558X is the red-accent 6558 platform with 6.5X-58X continuous zoom and the CTV 0.5x adapter included; the 71 Ultra brings an 11-step detented zoom (6.75X-45X), a dust-proof integrated objective, and independent eyepiece adjustment.
YCS 71 Ultra Trinocular Microscope
The YCS 71 Ultra is the precision-focused trinocular stereo microscope of Mr. Yang's YCS line: a 0.67x-4.5x zoom with an 11-step fine-tuning knob delivers 6.75x-45x total magnification through high-eyepoint 10x/23 wide-angle eyepieces. Its integrated dust-resistant objective needs no external dust cover, each eyepiece adjusts independently (-5 to +5 diopter), and rotatable rubber eyepiece guards set the working distance. Available as Package B (microscope only) or Package C with the YCS X80 industrial camera and CTV 0.5 adapter for live monitor work.
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YCS 6558X Trinocular Microscope
The YCS 6558X is a trinocular stereo microscope for phone repair with 0.65x-5.8x zoom optics — 6.5x to 58x total magnification through high-eyepoint wide-angle WF10X/23 eyepieces — plus a CTV 0.5x camera port for live display and photo documentation, an adjustable LED ring light, and a collision-protection limiter. The red-accent model of the YCS 6558 microscope line from Mr. Yang's workshop, ready for motherboard-level BGA and micro-soldering work.
View full specifications →Side-by-Side Specifications
| Specification | YCS 71 Ultra Trinocular Microscope | YCS 6558X Trinocular Microscope |
|---|---|---|
| Brand | YCS | YCS |
| Model | YCS 71 Ultra | YCS-6558X |
| Type | Trinocular stereo zoom microscope | Trinocular stereo zoom microscope |
| Zoom Ratio | 0.67x - 4.5x with 11-step fine adjustment | — |
| Total Magnification | 6.75x - 45x (with 10x eyepieces) | 6.5x – 58x continuous (with 10x eyepieces) |
| Eyepieces | High-eyepoint wide-angle 10x/23 x2, independent left-right diopter (-5 to +5) | WF10X/23 high-eyepoint wide-angle ×2, anti-reflective coated |
| Eyecups | Rotatable rubber eyepiece guards | — |
| Objective | Integrated dust-resistant high-transmittance objective - no external dust cover needed | — |
| Optics | Anti-reflection coated, high refractive index and high transmittance | — |
| Camera Port | Trinocular top port; Package C includes CTV 0.5 adapter + YCS X80 camera | CTV 0.5x adapter included |
| Stand | Metal pillar column and base with focus arm | — |
| Size (approx.) | ~37 x 25 x 41 cm (same class as the YCS 6575X) | — |
| Weight (approx.) | ~4.5 kg (same class as the YCS 6558 series) | — |
| Package B | 10x/23 eyepieces x2, main unit, main unit bracket, column, microscope base | — |
| Package C | Package B + YCS X80 industrial camera + CTV 0.5 adapter | — |
| Zoom Range | — | 0.65x – 5.8x (objective) |
| Focus | — | Eyepiece diopter fine adjustment + coarse focus knob |
| Interpupillary Adjustment | — | Flexible, ergonomic |
| Collision Protection | — | Limiter ring included |
| Illumination | — | Adjustable LED ring light plate (ships black or white at random) |
| Base | — | Metal plate with positioning scale, 380 × 260 mm |
| Size | — | 380 × 260 × 273 mm |
| Weight | — | 4.4 kg (including base) |
| Package | — | 436 × 343 × 270 mm; 5.45 kg |
| In the Box | — | Eyepieces ×2, CTV 0.5x ×1, main unit, bracket, limiter, dust cover lens, column, base, LED light plate, rubber rings ×2 |
Key Differences That Matter
Model
Zoom Ratio
Total Magnification
Eyepieces
Eyecups
Objective
Optics
Camera Port
Stand
Size (approx.)
Weight (approx.)
Package B
Package C
Zoom Range
Focus
Interpupillary Adjustment
Collision Protection
Illumination
Base
Size
Weight
Package
In the Box
Which One Should You Choose?
Choose the 6558X for continuous zoom to 58X, the included CTV 0.5x adapter, and the easy-to-spot red-accent body at the value price. Choose the 71 Ultra for repeatable 11-step magnification, zero-maintenance dust-proof optics, and the Package C option that adds the X80 camera for a complete monitor station.
YCS 71 Ultra Trinocular Microscope vs YCS 6558X Trinocular Microscope — FAQ
Both are YCS - same optical family?
Both are YCS trinocular stereo zoom microscopes sharing the post-mount stand standard and high-eyepoint wide-angle eyepieces (10x/23 class), so stands and bench accessories are interchangeable. The zoom mechanics and objective sealing differ.
Which one for photo documentation?
The 71 Ultra - the 11-step detents lock repeatable magnification for consistent before/after shots, and Package C adds the X80 camera plus CTV 0.5 adapter in one box.
Which one costs less?
The 6558X is the value tier: full trinocular optics with the camera adapter included at a lower price. The 71 Ultra trades some range for precision detents and the sealed dust-proof objective.
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