9.1mm LWIR Assembly
9.1mm LWIR Assembly is backordered and will ship as soon as it is back in stock.
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9.1mm LWIR Assembly
Product Specifications
Product Specifications
Optical Performance for 320 x 240 / 12μm Detector
|
PARAMETER |
NOTES |
DESIGN VALUE |
|
MTF - min Sag/Tan at 41.6cyc/mm |
Diffraction Limited (Ref. only) On-axis VFOV HFOV Corner |
46.2% 44.3% 43.5% 36.8% 27.5% |
|
EFL |
Magnification Based |
9.1mm |
|
F/ # |
Aperture-based |
1 |
|
Field of View |
Vertical Horizontal Diagonal (corner) |
18.3 Deg. 24.5 Deg. 30.8 Deg. |
|
Relative Illumination |
At HFOV At Corner Field |
95% 92% |
|
Distortion |
at HFOV At Corner Field |
-2.1% -3.4% |
|
Fixed-Focus Object Range |
Range for 10% MTF drop w/o refocus |
5.0 to Infinity |
|
Athermal Temp Range |
Range for 10% MTF drop w/o refocus |
-40 to +65 degC |
|
Operating Waveband |
LWIR Thermal Waveband |
8-12μm |
|
Transmission |
HEAR coated witness samples (8-12μm) |
>95% |
Optical Performance for 320 x 240 / 12μm Detector
|
PARAMETER |
NOTES |
DESIGN VALUE |
|
Height |
Front to back lens assembly |
9.627mm |
|
Thread Interface |
Lens assembly outer thread |
M14 x 0.5 |
|
Working Distance to Image Plane (FPA) |
Assumed 0.56mm Si window, nominal focus at infinity |
6.641mm |
|
Max Exposure Temp |
Storage/post-processing |
140 degC |
OPTICAL
- 9.1mm EFL, F/1.0 Lens
- 24.5 deg HFOV on a 320 x 240/12μm detector
- Two-element design
- Utilizes aspheric and diffractive technologies
- High Efficiency AR coating for LWIR 8-12μm
- Optically Athermalized using Classic-6 material
MECHANICAL
- Small size and weight
- Precision molded chalcogenide lenses
- 20% glass-filled Black Polycarbonate Housing
- Threaded interface enables adjustable focus
RESOLUTION
|
|
160x120 |
320x240 |
384x288 |
640x480 |
1024x768 |
|
PIXEL SIZE |
|
|
|
|
|
|
34μm |
35.1 |
82.6 |
N/A |
N/A |
N/A |
|
25μm |
25.6 |
53.5 |
67.6 |
N/A |
N/A |
|
17μm |
17.3 |
35.1 |
42.6 |
82.6 |
N/A |
|
12μm |
12.2 |
24.5 |
29.6 |
51.0 |
N/A |
|
10μm |
10.2 |
20.4 |
24.5 |
41.7 |
74.3 |
