Optot has obtained patents related to telecentric lenses, reducing costs and improving performance for wide-field full-frame telecentric lenses.

April 3 news: Information from the China National Intellectual Property Administration shows that Guangdong Optek Technology Co., Ltd. has applied for a patent titled “A large field of view full-frame telecentric lens and its optical system.” The authorized announcement publication number is CN224067068U, with the authorized announcement date being March 31, 2026. The application number is CN202520775827.3. The application publication date is March 31, 2026. The application date is April 22, 2025. Inventors are Chen Jianwei, Lin Jiamin, Zeng Zhenhuang, and Lu Shenglin. The patent agency is Beijing XinHaolianDe Patent Agency (General Partnership). The patent agent is Mai Jianwei. Classification numbers are G02B13/22 and G02B13/00.

The patent abstract shows that this utility model involves the technical field of machine vision lenses and discloses a large field of view full-frame telecentric lens and its optical system. The optical system is arranged from the object side to the image side in sequence with a first lens G1 having positive optical focal length, a second lens G2 having positive optical focal length, a third lens G3 having positive optical focal length, a fourth lens G4 having negative optical focal length, a diaphragm S, a fifth lens G5 having negative optical focal length, a sixth lens G6 having positive optical focal length, a seventh lens G7 having positive optical focal length, and an eighth lens G8 having positive optical focal length. The optical system with a dual-telecentric structure provided by this utility model has a resolution of 145 lp/mm, a field of view up to Φ300 mm, an MTF value of >0.3 over the entire field of view, distortion less than 0.02%, supports full-frame cameras, and significantly reduces the outer diameter size of the lenses after the first lens, effectively lowering manufacturing costs.

Optek was established on March 24, 2006, and was listed on the Shanghai Stock Exchange on December 31, 2020. Its registered address and office address are both in Dongguan City, Guangdong Province. The company is a leading enterprise in China’s machine vision industry, focusing on core machine vision software and hardware products. It has strong technical capabilities and significant investment value.

Optek mainly engages in the research and development, production, and sales of core machine vision software and hardware products. The Shenwan industry it belongs to is Machinery Equipment - Automation Equipment - Other Automation Equipment. The concept sector includes Kechuang Board market maker shares, neural networks, and machine vision.

In 2025, Optek’s operating revenue was 1.27B yuan, ranking 2nd in the industry (out of 5 companies), higher than the industry average of 996 million yuan and the median of 950 million yuan. The industry leader, Beizikeji, had revenue of 2.11B yuan. In terms of main business revenue, machine vision revenue was 960 million yuan, accounting for 75.66%. Regarding net profit, in 2025 Optek achieved 192 million yuan, ranking 1st in the industry, higher than the industry average by 26.93 million yuan and the median by 112 million yuan. The second-place company, Beizikeji, had net profit of 172 million yuan.

Optek Technology Co., Ltd. of Guangdong’s recent patent situation is as follows:

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