Introduction
• Precision molded LWIR lenses using chalcogenide glass
High‐volume, cost effective manufacturing
Optimized for the 8~12 um wavelength range
• High performance LWIR lenses
FL 6.4 mm, f/1.2 lens
Use of diffractive‐aspheric lens
Ultralight, wide‐angle, passively athermalized LWIR lens
• Applications and capabilities
Thermal imaging and thermography
Optical specifications
• Focal length : 6.406 mm
• Aperture‐based f‐number : f/1.28
• Waveband : 8~12 um
• Focus range : 1 m to infinity
• Distortion : < ‐2.6 % (206x156, 12 um)
• Transmittance (average@waveband) : > 95 % (AR coating) / > 90 % (DLC coating)
• Field of view (FOV)
Sensor array |
Pixel size (um) |
FOV (deg) |
H |
V |
D |
206 x 156 |
12 |
22.2 |
16.8 |
28 |
160 x 120 |
12 |
17.2 |
13 |
21.5 |
80 x 60 |
25 |
18 |
13.4 |
22.5 |
Note : Each lens is optimized for a specific detector format represented by bold values.
This table shows values for other compatible detector formats with non‐optimal performance.
• Resolution (MTF Performance)
Temp.(°C) |
MTF* (%; 30 lp/mm) |
0.0F |
0.8F |
1.0F |
+20 °C |
52 |
51 |
48 |
Mechanical specifications
• Dimension

• Weight : 2.15 g
Environmental specifications
• Operating temperature : ‐25 °C ~ +85 °C
• Storage temperature : ‐57 °C ~ +105 °C