News

1. Technological innovation and performance breakthrough of optical systemThe long-wave infrared (LWIR) zoom lens takes the 8-14μm spectral range as its working core, and realizes the visualization of thermal signals through the cross-innovation of material science and optical engineering. Different Read More

The difference between short wave infrared, near infrared, medium wave infrared and long wave infraredNear Infrared (NIR): Wavelength between 0.75-1.4 microns, defined by the absorption of water, usually used in optical fiber communication due to the low attenuation rate in silica glass. Wavelengths Read More

The company's main products include infrared lenses, night vision objectives lens and other customizable optical lenses. It is mainly suitable for scenarios such as thermal imagers, infrared sights, night vision, infrared cameras, and drone monitors. Read More

The athermal lenses mainly realizes the day-night conversion through the infrared filter, that is, opening the filter in the daytime to block the infrared rays, so that it can only sense the visible light. In the case of night vision or poor lighting conditions, the filter will stop working, and the Read More

This paper illustrates five common misunderstandings in selecting uncooled long-wave infrared lenses. It points out that single parameters such as F-number, germanium material, detector resolution, NUC correction and athermal marking cannot represent real lens performance. Engineers need combined datasheet review and physical sample testing for comprehensive evaluation to prevent improper lens selection and costly integration risks. Read More

F-number is commonly used for LWIR lens selection, yet lenses with identical nominal F-number can exhibit distinct field performance. The differences stem from optical transmittance, coating quality, athermal design, aberration control, cold reflection suppression and manufacturing consistency. F-number is a necessary but insufficient metric. System integrators should conduct full-temperature and scene-based field tests instead of relying only on datasheet F-number. Read More