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Written by
Fong MH
Principal Application Engineer, FIRST Metrology
ZEISS-Certified Metrology Specialist · B.Eng (Hons) Mechanical Engineering

Principal Application Engineer, FIRST Metrology

ZEISS-Certified Metrology Specialist · B.Eng (Hons) Mechanical Engineering

Fong MH is Principal Application Engineer at FIRST Metrology, bringing over 15 years of experience in industrial metrology, optical 3D measurement and quality assurance. He specialises in optical 3D scanning, automated inspection and GD&T evaluation, supporting manufacturers across a wide range of industries.

As a ZEISS-certified metrology specialist, Fong has extensive hands-on experience with ATOS 3D scanning and ZEISS ScanBox automated inspection solutions. His expertise spans measurement strategy, system commissioning, application development and technical training.

Working closely with engineering and quality teams, Fong helps manufacturers solve complex measurement challenges, improve inspection efficiency and integrate advanced 3D metrology into their quality processes. His practical, application-driven approach ensures customers achieve accurate, repeatable and reliable measurement results.

Why is blue light used in optical 3D scanning?
Featured Metrology Minute

Why is blue light used in optical 3D scanning?

The narrow blue wavelength is easy to separate from ambient light — the key to stable, high-accuracy fringe projection.

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Raw scan data alone is not enough for quality decisions. Did You Know?

Raw scan data alone is not enough for quality decisions.

A point cloud only becomes a quality decision once it is aligned, compared to nominal, and evaluated against tolerance.

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Reading surface deviation colour maps. Metrology Minute

Reading surface deviation colour maps.

From blue to red, the colour spectrum shows exactly where and by how much a part departs from nominal.

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Inspection under pressure: consistency at high throughput. Application Story

Inspection under pressure: consistency at high throughput.

High-volume production needs inspection that is fast and identical every cycle — the case for automation.

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Optical 3D measurement can complement — or replace — a CMM. Did You Know?

Optical 3D measurement can complement — or replace — a CMM.

Full-field optical data and point-based CMM inspection each have a place; the right choice depends on the part.

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Reverse engineering: turning legacy parts into editable CAD. Application Story

Reverse engineering: turning legacy parts into editable CAD.

When drawings are missing or outdated, scanning rebuilds an engineering-ready model from the physical part.

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