Product Comparison

YCS 71 Ultra Trinocular Microscope vs YCS 6575X Trinocular Microscope

Two YCS trinocular stereo zoom microscopes, one tier apart. The 6575X extends to 6.5X-75X continuous zoom with a 360-degree rotating head and height-adjustable focus arm; the 71 Ultra focuses on precision - an 11-step detented zoom to 45X and an integrated dust-resistant objective with no dust cover needed.

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 6575X Trinocular Microscope

The YCS 6575X is a trinocular stereo microscope for phone repair with a 6.5x-75x continuous zoom range — the sweet spot between the 6558 series and high-magnification flagships. A 360-degree rotating head, height-adjustable focus arm, WF10X/23 high-eyepoint eyepieces, and a CTV 0.5x camera port for live display and photo documentation. A YCS microscope from Mr. Yang's YCS repair tool line, ready for motherboard-level BGA and micro-soldering work.

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Side-by-Side Specifications

Specification	YCS 71 Ultra Trinocular Microscope	YCS 6575X Trinocular Microscope
Brand	YCS	YCS
Model	YCS 71 Ultra	YCS-6575X
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 – 75x 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
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 1/2" 0.5x adapter included
Stand	Metal pillar column and base with focus arm	Height-adjustable focus arm on a metal pillar stand
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	—
Head Rotation	—	360° — swivel the head aside for direct board access
Illumination	—	LED illuminating dust cover (per manufacturer packing list)
Size	—	37.7 × 25 × 41 cm
Weight	—	4.45 kg (net)
Package	—	41 × 28 × 37 cm; 5.55 kg
In the Box	—	WF10X/23 eyepieces ×2, microscope head, focus arm, LED dust cover, CTV 1/2" 0.5x camera adapter

Key Differences That Matter

Model

AYCS 71 Ultra

BYCS-6575X

Zoom Ratio

A0.67x - 4.5x with 11-step fine adjustment

B—

Total Magnification

A6.75x - 45x (with 10x eyepieces)

B6.5x – 75x continuous (with 10x eyepieces)

Eyepieces

AHigh-eyepoint wide-angle 10x/23 x2, independent left-right diopter (-5 to +5)

BWF10X/23 high-eyepoint wide-angle ×2

Eyecups

ARotatable rubber eyepiece guards

B—

Objective

AIntegrated dust-resistant high-transmittance objective - no external dust cover needed

B—

Optics

AAnti-reflection coated, high refractive index and high transmittance

B—

Camera Port

ATrinocular top port; Package C includes CTV 0.5 adapter + YCS X80 camera

BCTV 1/2" 0.5x adapter included

Stand

AMetal pillar column and base with focus arm

BHeight-adjustable focus arm on a metal pillar stand

Size (approx.)

A~37 x 25 x 41 cm (same class as the YCS 6575X)

B—

Weight (approx.)

A~4.5 kg (same class as the YCS 6558 series)

B—

Package B

A10x/23 eyepieces x2, main unit, main unit bracket, column, microscope base

B—

Package C

APackage B + YCS X80 industrial camera + CTV 0.5 adapter

B—

Head Rotation

A—

B360° — swivel the head aside for direct board access

Illumination

A—

BLED illuminating dust cover (per manufacturer packing list)

Size

A—

B37.7 × 25 × 41 cm

Weight

A—

B4.45 kg (net)

Package

A—

B41 × 28 × 37 cm; 5.55 kg

In the Box

A—

BWF10X/23 eyepieces ×2, microscope head, focus arm, LED dust cover, CTV 1/2" 0.5x camera adapter

Which One Should You Choose?

Pick the YCS 6575X if you need zoom headroom to 75X for fine BGA inspection or the rotating-head workflow for direct board access. Pick the 71 Ultra for repeatable 11-step magnification, the sealed dust-proof objective, and the Package C route with an X80 camera and CTV 0.5 adapter included.

Explore YCS 71 Ultra Trinocular Microscope Explore YCS 6575X Trinocular Microscope

YCS 71 Ultra Trinocular Microscope vs YCS 6575X Trinocular Microscope — FAQ

Which reaches higher magnification?

The 6575X: 6.5X-75X versus 6.75X-45X. If fine BGA ball inspection above 45X is routine, the 6575X (or a Gorilla) is the safer pick. Below 45X the 71 Ultra covers the same ground with detented precision.

Which is better for a dusty workshop?

The 71 Ultra - its objective is sealed at the source with a built-in dust-resistant lens, so no external dust cover is needed. The 6575X ships with an LED illuminating dust cover that you fit and clean yourself.

Which one for a camera or monitor setup?

Both have a trinocular port, but the 71 Ultra's Package C includes the YCS X80 camera and CTV 0.5 adapter in the box - the fastest path to a monitor-ready station. For the 6575X the adapter and camera are separate purchases.

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