Infrared lensglasses

Custom Infrared Optical Lens 80mm - 800mm 10X Continuous Zoom     We offer customized optical system and lens service according to customer detailed requirments.     Technical Parameters   Optical Parameters Focus Length 80mm~800 continous zoom F# 4 FOV 6.87° x 5.5°~ 0.69° x 0.55°  Complete Focusing Movement ≤ 6s Detector Option Detector Type Cooled HgCdTe FPA Pixel 640x512 Spectral Band 3.7μm ~ 4.8μm Environmental Parameters 　 Working Temperature -40℃ ~ +50℃ Storage Temperature -50℃ ~ +70℃