فاصله کانونی ثابت  تولیدکنندگان، عرضه‌کنندگان، توزیع‌کنندگان

Edmund Optics® (EO) is a leading global supplier of optics, imaging, and photonics technology that has served a variety of markets including Life Sciences, Biomedical, Industrial Inspection, Semiconductor, R&D, and Defense since 1942. EO designs and manufactures a wide array of optical components, multi-element lenses, imaging systems, and optomechanical equipment, while supporting OEM applications with volume production of stock and custom products. Operating in more than a dozen major facilities around the globe, EO employs approximately 1,250 employees and continues to expand.
EO takes pride in helping customers from prototype to volume production, and specializes in creating cost-effective solutions that meet our customer’s specifications, timelines, and budgets. Whether requirements include stock optics, a build-to-print custom optical component, expert application engineering to optimize the design, or a completely custom design to customer-supplied requirements, our engineers can create ideal solutions for each unique optical challenge. Every step of the way, Edmund Optics® is committed to ensuring product and procedural quality.

The Berliner Glas Group is one of the leading European providers of optical key components, assemblies and systems as well as high-quality refined technical glass. With our understanding of optical systems and optical production techniques, we develop and integrate optics, mechanics and electronics into innovative system solutions. These solutions are applied worldwide across the whole spectrum of the light-using industry – from medicine to semiconductors, metrology and analysis to defense or as displays, for example in offices, in the form of televisions, monitors or navigation systems.
The Berliner Glas Group consists of companies which have been developing and producing optical solutions for over 100 years. As an owner-managed medium-sized company with around 950 employees, we can offer our customers tailor-made, marketdriven solutions of the highest quality anywhere and at any time.

After more than 30 years' rapid growth since the foundation in 1990, CASTECH INC. has become a recognized leading supplier of crystals, optics and laser components in the world. In 2008 CASTECH successfully completed IPO in Shenzhen stock exchange. (Stock Code 002222) Today, at our 450,000 sq ft advanced facility, over 1000 employees are dedicating to satisfy customer needs in terms of performance and cost effectiveness.
Crystals for Laser and Telecom Application:
With more than thirty years' untiring effort, CASTECH has developed flux, Czochralski, water solution and Bridgman-Stockbarger crystal growing technology, now is a worldwide leading supplier with largest mass production lines in the world for LBO, BBO, Nd:YVO4 and KTP. In addition, we also provide CLBO, BiBO, KDP, KD*P, Yb:CALGO, Yb:KGW, Ti: Sapphire, TGG, TSAG, α-BBO and other crystals for laser and telecom industries.

CPG optics was originally founded in China in 1990. As of today, we have two factories (a total of 48437 sq feet) located in China, as well as offices in the US, Netherlands, and Malaysia. From a small workshop with only a few workers, CPG has grown into a professional enterprise with dedicated departments for design, procurement, production, quality control, logistic, and multilingual customer support and services.