SupIR 35 mm f/1.2 Fixed Focus LWIR XGA Imaging Lenses
SupIR 35 mm f/1.2 Fixed Focus LWIR XGA Imaging Lenses
High-performance LWIR uncooled lens for 1024×768 XGA uncooled cameras
The SupIR 35mm f/1.2 fixed focus LWIR imaging lens has a 35.0 mm focal length with an f-number of 1.2. This single field of view lens (1-FOV) is designed for 1024x768 XGA format uncooled LWIR cameras.
- Advanced technologies for the highest performance long wave focal planes
- LWIR High-durability and hard-carbon AR coatings for 8-12 µm
- Passive athermalization with the highest imaging performance from -40 to +80°C
- Compatible with 12 μm pixel pitch, 1024x768 XGA format LWIR cameras
- Providing superior performance from 50 m out to infinity
- Cost-effective solution for high-resolution thermal imaging and sensing See All Features
HFOV [deg]
| Format | |||||
|---|---|---|---|---|---|
| Pitch | 320x240 | 384x288 | 640x480 | 1024x768 | |
| 17 µm | 8.9° | 10.6° | 17.6° | ||
| 12 µm | 6.3° | 7.5° | 12.5° | 19.7° | |
Features
High Performance Long Wave Focal Plane
Using advanced technologies, top-quality materials and unique coating techniques, together with innovative engineering and opto-mechanical designs, we have earned a reputation for excellent performance, durability and quality.
High-durability and Hard-carbon AR Coatings
Our highly abrasion-resistant, anti-reflective advanced optical coatings include several types of Hard Carbon coatings which provide maximum durability, energy transmission & minimal reflection. Our innovative coating technologies include:
- Physical Vapor Deposition (PVD) – Thermal heating and electron gun
- Ion Assisted Deposition (IAD) – Ion gun
- Plasma Enhanced Chemical Vapor Deposition (PECVD) for DLC coatings
Passive Athermalized Lens Assembly
Our IR imaging lens assemblies incorporate passive athermalization of the lenses and opto-mechanical system to maintain the highest imaging performance over the full operating temperature range. We use advanced materials that enable unique athermalization properties and optomechanical designs that effectively compensate for optical variations over a wide temperature range.
SupIR 35 mm f/1.2 Detection, Recognition & Identification (DRI) Range
* Assumptions: 50mK NETD (f/1.0) for LWIR uncooled detectors | 30Hz frame rate | 50% detection probability | 0.2km-1 atmospheric attenuation coefficient | human ΔT = 5°C | vehicle ΔT = 2°C
DRI ranges enable one to easily estimate the maximum range that an object can be either detected, recognized or identified. It is important to note that these estimates are based solely on geometrical parameters – the target size, distance, lens focal length and camera detector pixel size. Signal level, detector sensitivity, atmospheric conditions and other factors are not considered!
The calculations used here are based on the “Johnson Criteria”. According to the Johnson Criteria, the minimum resolution, pixels on target, required to achieve a 50% probability for an observer to discriminate an object are:
- Detection: An object is present – 2 pixels on target (Lower Bar)
- Recognition: discern the type of object, a human vs. a vehicle – 8 pixels on target (Middle Bar)
- Identification: discern specific objects, a man vs. a woman, a car model – 12.8 pixels on target (Upper Bar)
Resources
Drawings & CAD
680111 Interface Control Document(165.5 kB, PDF)
Literature
High Performance Optics for UAV Payloads and Drones(1.1 MB, PDF)
