Athene Lenses
The Athene Family of lenses is tailored for a 640 x 512 format with a 12-micron pixel. These athermal lenses, optimized for LWIR operation, maintain focus across temperature fluctuations, ensuring consistent and superior image quality when integrated with your microbolometer camera. They offer versatility with options for durable high-efficacy coatings or ultra-durable diamond-like coatings, suitable for the most challenging environments.
| Focal Length |
8mm
|
10mm
|
12mm
|
25mm
|
35mm
|
50mm
|
| Part Number | ||||||
| F# |
1.2
|
1.2
|
1.2
|
1.2
|
1.2
|
1.2
|
| Wavelength |
8 – 12µm
|
8 – 12µm
|
8 – 12µm
|
8 – 12µm
|
8 – 12µm
|
8 – 12µm
|
| Horizontal FOV |
56.7°
|
44.6°
|
37°
|
17.5°
|
12.5°
|
8.8°
|
| Detector Format |
640 x 480
|
640 x 512
|
640 x 512
|
640 x 512
|
640 x 512
|
640 x 512
|
| Pixel Pitch |
12
|
12
|
12
|
12
|
12
|
12
|
| Lens Length |
22
|
25.5 | 27 |
35
|
36
|
60
|
| Weight (g) |
45
|
30 | 37 |
53
|
79
|
112
|
| Focus type |
T
|
T | T |
T
|
T
|
T
|
| Interface camera |
M34 x .5
|
M34 x .5 | M34 x .5 |
M34 x .5
|
M34 x .5
|
M34 x .5
|
| Athermal |
Yes
|
Yes | Yes |
Yes
|
Yes
|
Yes
|
| Transmission (typical)* |
97%
|
97% | 94% |
94%
|
94%
|
94%
|
Notes:
* Over the primary waveband, 8 – 12µm.
Mount Type:
T = Threaded Mount
M = Manual Focus