click me！
Home > 红外光学元件 > 长波红外热成像相机镜头 > 用于热成像相机的长波红外无热化镜头

75mm f/1.0 Athermalized Lenses for LWIR Thermal Imaging Camera

Code: 301-030

LWIR 75mmF1.0 Athermalized Thermal Camera Lenses 联系我们  

Optical Parameters

Focal Length 75mm F-Number(#) 1.0
Wavelength Range 8~12 micro FOV 8.3° (H) x 6.6° (V)
Detector 640x512 pixels, 17μm pitch Coating High Resistance AR
Average Transmission >88% Working Temperature -40℃ ~ +60℃ (Need not to refocus) 
Minimum Working Distance 10mDistortionMaximum D-FOV Distortion: 2%

 

Mechanical Parameters

MountM34x0.75-6g DimensionsLength: 82.78, Diameter: φ85
Back Working Distance9.7mm Housing Materiel Aluminium, Black anodized
Sealing IP67 Operation Temperature -40℃ ~ +60℃
Storage Temperature -50℃ ~ +80℃ Weight /

It is a mechanical athermalized LWIR infrared lens module for thermal imaging cameras, with a 75mm focal length and f-number of 1.0 and is compact in size.

 Drawing:

75mm f1.0 Athermalized Lenses for LWIR Thermal Camera


2. Performance Curves

1). 20° MTF（@29lp/mm）

75mm f/1.0 Athermalized Lenses for LWIR Thermal Imaging Camera MTF curve


2). 20° Field curvature and distortion

75mm f/1.0 Athermalized Lenses for LWIR Thermal Imaging Camera Field curvature and distortion curve


3). Vignetting
75mm f/1.0 Athermalized Lenses for LWIR Thermal Imaging Camera Vignetting curve


4). Relative Illumination

75mm f/1.0 Athermalized Lenses for LWIR Thermal Imaging Camera Relative Illumination curve


5). -40°MTF（@29lp/mm）

75mm f/1.0 Athermalized Lenses for LWIR Thermal Imaging MTF curve


6). 60°MTF（@29lp/mm）

75mm f/1.0 Athermalized Lenses for LWIR Thermal Imaging MTF curve
75mm
L75F1.0
1.0
Athermalized
Enquire
5-6 weeks