The material is 7980-0G/Fused Silica! The back surface is plano, and the front surface quality is 60-40.
We would like to introduce our precision polished aspheric lens 'TO-25-20＃0978'. It has a diameter of 25mm, an effective focal length of 20mm, and a back focus of 10.40mm. The material is 7980-0G/Fused Silica. Additionally, the center thickness is 14mm, and the edge thickness is 2.27mm. Please feel free to contact us if you have any requests. 【Basic Information (Partial)】 ■ Material: 7980-0G/Fused Silica ■ Diameter: 25mm ■ Effective Focal Length (EFL): 20mm ■ Back Focus (BFL): 10.40mm ■ Numerical Aperture (N.A): 0.630mm *For more details, please refer to the related links or feel free to contact us.
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basic information
【Other Basic Information】 ■Center Thickness (CT): 14mm ■Edge Thickness (ET): 2.27mm ■Backside Shape: Plano ■Surface Quality: 60-40 *For more details, please refer to the related links or feel free to contact us.
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Company information
Yukiko Co., Ltd. is a company primarily engaged in the manufacturing and processing of aspheric lenses. We own advanced multi-axis fully automatic CNC polishing equipment from the United States and cutting-edge aspheric polishing technology. Our products are exported worldwide, including Europe, America, and Asia, and are used in fields such as aerospace, measurement and control remote sensing, high-end equipment, and high-end consumer products. We always place our customers at the center, providing aspheric lenses to over 200 customers worldwide through our advanced proprietary aspheric manufacturing technology, world-class inspection equipment, and strict quality control, achieving a monthly production capacity of 12,000 pieces.