LWIR 8–12 μm · Athermalized fixed-focus reference
100 mm F/1 Athermalized LWIR Lens (KI610011)
KI610011 is a 100 mm F/1 athermalized, fixed-focus LWIR reference for 8–12 μm imaging. Its published detector reference is 640 × 512 with 17 μm pixels, giving a 6.2° × 5° field of view. Start with this reference when your system requires a narrow scene window; confirm the detector, usable image circle and installation envelope before selecting the configuration.

Full parameter record
100 mm F/1 Athermalized LWIR Lens (KI610011) – published specifications
Every value below is the reference record for this configuration. Values marked as a reference, a target or a minimum are confirmed against the detector datasheet and the approved drawing before a quotation is issued.
| Parameter | Published value |
|---|---|
| Focal length | 100 mm |
| F/# | 1 |
| Working wavelength | 8–12 μm |
| Detector reference | 640 × 512 / 17 μm |
| Field of view | 6.2° × 5° |
| Average transmission | ≥87% DLC reference |
| Distortion | 0.2% |
| Front coating | DLC |
| Focus | Fixed (athermalized) |
| Depth of field | 120 m–∞ |
| Weight | ≤936 g |
| Dimensions | Φ113.5 mm × 149.5 mm |
| Operating / storage | −40 to +60 °C / −50 to +70 °C |
| Sealing reference | Front element IP67 |
How to evaluate KI610011 for your system
The published envelope is Φ113.5 mm × 149.5 mm and the weight reference is ≤936 g. Check the available barrel clearance, mount and support requirements before treating it as a fit for your camera. The published depth-of-field reference starts at 120 m; this is an optical reference, not a claim about detection, recognition or identification distance.
Configuration reference
| Spectral reference | 8–12 μm |
|---|---|
| Focal length / F/# | 100 mm / F/1 |
| Detector reference | 640 × 512 / 17 μm |
| Reference FOV | 6.2° × 5° |
| Published envelope | Φ113.5 mm × 149.5 mm |
| Depth-of-field reference | 120 m–∞ |
| Weight reference | ≤936 g |
Athermalized is the source configuration designation. Ask for the available optical and thermal test evidence for the selected detector and temperature range. The approved drawing, quotation and acceptance plan define the supplied configuration.
Compare the published options
| Model | Focal length / F/# | Detector reference | Reference FOV | Envelope |
|---|---|---|---|---|
| KI610011 | 100 mm / F/1 | 640 × 512 / 17 μm | 6.2° × 5° | Φ113.5 mm × 149.5 mm |
| KI805011 | 50 mm / F/1 | 1280 × 1024 / 12 μm | 17.5° × 14° | Φ60 mm × 47.46 mm |
| KIA001901 | 19 mm / F/0.9 | 640 × 512 / 17 μm | 31° × 25.4° | Φ30 mm × 26 mm |
These field-of-view references use different detector formats. They are not a comparison on one common detector and do not guarantee interchangeability.
Is KI610011 a zoom or motorized-focus lens?
The source record describes a fixed-focus, athermalized configuration. It does not document zoom or motorized focusing. A different focusing architecture requires a separately confirmed configuration.
What to send in your RFQ
- Detector model, resolution, pixel pitch and the detector datasheet.
- Required horizontal and vertical field of view and working distance.
- Mount, flange-distance requirement and the available installation envelope.
- Operating temperature range and the optical acceptance criteria you need verified.
- Sample and production quantities, required documents and delivery schedule.
Request configuration review for KI610011
For wider selection, browse MWIR and LWIR infrared lenses or read the MWIR vs LWIR RFQ guide.
Before this configuration is released
What to confirm with us
Send these five inputs and the quotation can be prepared against your system rather than against a catalogue headline.
Related references
Other configurations in the same family
- 15–300 mm MWIR Continuous-Zoom Lens
- 18–275 mm Compact MWIR Continuous-Zoom Lens
- 75 mm F/1 Manual-Focus LWIR Lens
- 25/50 mm Dual-FOV LWIR Lens
Browse the full category page: Infrared Lenses.
Send the detector data and we will confirm the fit.
Share the detector type, resolution, pixel pitch, required field of view and the mechanical envelope. We will return the configuration route, the documents we can issue and the next sourcing step.