Canon Broadcast & Cinema Lens Official Service Certificate

Canon Broadcasting and Cinema Lens Official Service Certificate

Yongchan Park | BLUE DOT EARTH

Certified in 2023

Certification Overview

This certificate confirms that technician Yongchan Park has been officially certified by **Canon (China) Co., Ltd.** as a key personnel member of the Broadcasting & Cinema Lens Authorized Service Center. This is an indicator recognizing professional service capabilities across the entire range of Canon's cutting-edge optical technology in broadcasting and cinema lenses.

Certified Lens Systems

Canon Cinema EOS Lenses (Sumire Prime, CN-E series, etc.)
Canon Broadcasting Lenses (UHD/4K/HD broadcast zoom lenses and studio lenses)
EF/RF Mount Cinema Lenses

Key Training Content

1. Precision Service for Broadcast Lenses

Inspection and repair of servo modules for high-magnification broadcast zoom lenses
Optimization of image resolution and transmittance according to broadcast standards
Restoration and maintenance of lens durability in harsh shooting environments

2. Precision Optical Technology for Cinema Lenses

Back Focus calibration for Cinema EOS lens series
Precision lubrication and adjustment of aperture and focus mechanisms
Optical system cleaning and optimization of lens flare/ghost suppression performance

3. Canon Official Service Standards

Operation of precision measuring equipment according to Canon headquarters guidelines
Adherence to official manuals for parts replacement and performance testing procedures
Understanding and management protocols for the latest optical coating technologies

Technical Competencies

Precision repair capabilities at the level of a Canon Authorized Service Center
Broad technical response capabilities covering both broadcast zoom lenses and cinema prime lenses
Ultra-precision optical diagnosis and calibration capabilities for 4K/8K broadcast environments

Certifying Authority

Canon (China) Co., Ltd. (Senior Director: Imai Hideki)

Certification Process

Broadcasting & Cinema Lens Product of the Year 2023 (Authorized Service Certification)

Date of Certification

January 2023

Expertise and Application

This certification verifies that the holder is an official service expert who has passed Canon's strict technical standards. It is a key qualification demonstrating certified technical expertise not only in cinema lenses but also in the field of broadcasting lenses, which require extreme technical precision.

Manufacturer's Official Service Certification

ARRI Certified Signature Zoom Technician (2024)

This 2024 advanced course demonstrates expertise in optical axis decentering correction and top-tier maintenance for high-end cinema zoom lenses.

ARRI Official Signature Prime Technician (2024)

Through our latest 2024 advanced course, we demonstrate our proficiency in precise disassembly, assembly, and optical optimization of the entire Signature Prime series.

Canon Certified Service Professional (2023 Certified)

We maintain optimal optical condition for broadcasting and cinema lenses through servo module inspection, back focus adjustment, and other services.

ARRI / ZEISS Level 4 Official Service Certification (2020)

From master anamorphic to CP.3, we guarantee component replacement and precise FFD (Flange Focal Distance) adjustment.

Angénieux Official Technical Training Certification (2019)

We provide specialized maintenance services for world-renowned cinema zoom lenses, including the Optimo and EZ series.

HAWK Advanced Technical Certification (2025)

We possess advanced capabilities to precisely diagnose and maintain world-class anamorphic lens mechanisms.

Leitz Certified Cinema Lens Technician

We possess premium lens maintenance and diagnostic capabilities, verified through official certification from Ernst Leitz Wetzlar of Germany.

Leitz Official Advanced Technician (Advanced Certification)

We are authorized experts in repairing the mechanisms and optimizing the optical performance of high-end lenses such as Thalia and Summilux-C.

Cooke Official Cinema Lens Technician

Through official certification from the world-renowned cinema lens manufacturer Cooke, we demonstrate our professional diagnostic and repair capabilities across their entire product lineup.

Core Service Values

To ensure your cinematic vision is never limited by the technical constraints of lenses, BLUE DOT EARTH will be your most reliable partner.

Request Service

Back Focus Optimization

Fine-tune the distance to the sensor in 0.01mm increments to achieve perfect infinity focus.

Mechanical Overhaul

Smooth and precise operation is restored through precise lubrication and torque adjustment of the helicoid and aperture unit.

Performance Verification

After repair, it undergoes rigorous optical testing to ensure like-new resolution and light transmittance.

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