Welcome to Changchun Sunday Optics Co., Ltd, a leading name in the optics industry, renowned for our commitment to quality and precision. Located in the vibrant city of Changchun, China, we specialize in the production of high-quality optical components that meet the diverse needs of our global clientele. Our products are crafted using premium materials such as H-K9L, H-ZF3 glass, and Fused Silica, ensuring exceptional performance and reliability.

Our state-of-the-art manufacturing facility is equipped to produce optical components in a variety of sizes, ranging from 1mm to 50.8mm, with the option for customization to meet specific requirements. We pride ourselves on maintaining stringent quality control measures, with a size tolerance of +0.00/-0.05 and a surface quality rating of 10-5. This ensures that each product not only meets but exceeds industry standards.

At Changchun Sunday Optics, we understand the importance of precision in optical applications. Our products boast a surface flatness of 1/10 lambda at 632.8nm and a beam deviation of less than 1 minute. With an extinction ratio of up to 10000:1 and transmission rates exceeding 97%, our optical components deliver superior performance across a wide range of wavelengths, from 488nm to 1550nm.

Our commitment to excellence extends to our coatings, with typotenuse coated with PBS coating and all input and output surfaces treated with anti-reflective coatings. This meticulous attention to detail ensures that our products offer optimal reflection and transmission properties, making them ideal for high-precision applications. Trust Changchun Sunday Optics Co., Ltd for all your optical component needs, where quality and innovation are at the forefront of everything we do.