Cinema Lens Precision Repair & Optical Services

The premier lens master solution certified by the 7 major global brands

[ ARRI · Cooke · Leitz · ZEISS · Angenieux · HAWK · Canon ]
Officially Certified Engineer Yongchan Park

Blue Dot Earth Co., Ltd. is a technology innovation company specializing in ultra-precision repair and technical services for high-end cinema and broadcast lenses.

We are recognized for our world-class technical capabilities as an Official Service Partner of Leitz, VANTAGE (HAWK), and Angénieux, and we provide top-tier technical services that adhere to the official guidelines of major global brands such as ARRI, ZEISS, Cooke, Atlas, and Canon.

Operating from our Seoul headquarters and Goyang Technical Center, Blue Dot Earth combines unparalleled repair expertise—officially certified by seven global brands—with continuous optical research to provide the most reliable high-precision optical solutions to the global film and broadcast industries.

Industry-leading technology

We are one of Asia's leading technology companies in broadcast equipment maintenance, deeply trusted by experts across the industry.

Value beyond simple repairs

Beyond simple cleaning and basic repairs, we provide precise technical solutions and professional consulting.

Overwhelming expertise in problem-solving

Through precise technical analysis, we quickly identify the root causes of problems and resolve complex on-site issues with clarity and confidence.

Global Lens Expertise

We repair high-end professional lenses from major manufacturers worldwide and conduct in-depth research into their optical mechanisms.

Ultra-precision inspection technology

To ensure the highest quality, we operate advanced inspection and calibration equipment designed for professional cinema lenses.

Supporting the Future of K-Content

We are contributing to the growth of the global K-content industry through solid partnerships with broadcasters, rental companies, and production experts.

Manufacturer's Official Service Certification

ARRI Official Signature Zoom Technician (2024)

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

ARRI Official Signature Prime Technician (2024)

Through our latest 2024 advanced course, we demonstrate our expertise in precise disassembly/assembly and optical optimization across 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 more.

ARRI / ZEISS Level 4 Official Service Certification (2020)

From Master Anamorphic to CP.3, we ensure parts replacement and precise FFD (flange focal distance) adjustment.

Angénieux Official Technical Training Certification (2019)

We provide professional 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.

Global Cinema Lens Master Engineer: Yong-Chan Park

Engineer Yongchan Park is a top-tier lens expert in Korea, having obtained official service certifications for global major brands including ARRI, Cooke, and Leitz, the world's top three cinema lens manufacturers, as well as ZEISS, Angenieux, HAWK, and Canon.

From 2019 to 2025, he completed factory training worldwide (including Germany and the UK), covering everything from basic to advanced service courses. He possesses unparalleled technical skills, capable of not just simple inspections but also precise optical system calibration and high-end zoom lens overhauls.

Key Technical Qualifications

Unrivaled Brand Coverage: Holds official service certifications for the seven major brands in the cinema lens market (ARRI, Cooke, Leitz, ZEISS, Angenieux, HAWK, Canon).
Advanced Anamorphic Technology: Expertise in precise repair and mechanism optimization for complex anamorphic optical systems, including HAWK V-Lite.
High-End Zoom Lens Specialist: Back focus and zoom tracking adjustment for large zoom lenses requiring extreme precision, such as Angenieux Optimo and ARRI Signature Zoom.
Manufacturer-Certified Advanced Service: Provides factory-standard total care services through ARRI Signature series and Leitz Advanced courses.
Integrated Broadcast and Cinema Solutions: Based on Canon Broadcasting certification, offers optical solutions for both film production sets and 4K/8K broadcast environments.

Request a service

camera-lens-qc-service-for-video-production-12-units-1-1000x1000

Precision Quality Control Service for Video Lenses (12EA) Subscription

The quality of your footage begins with the precision of your equipment.
This service is a premium QC solution that offers a comprehensive quality diagnosis covering optical, mechanical, and electronic aspects for various mount lenses, including PL, LPL, B4, and EF.

To ensure consistent image quality and reliability required on set, each lens is meticulously analyzed and adjusted to its optimal condition.

View Details

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

The Value of Precision (Precision First)

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

Field-Ready Technology

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

Sustainable Optics

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

Language