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Lepton®
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Lepton®

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Overview:
Technical Guidance

Can Lepton achieve an accuracy of less than 5 degrees at ranges of 30 to 40 degrees C?

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Trouble Shooting

Have any sync problems been identified with Lepton?

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System Requirements

How does a neutral density filter affect the scene dynamic range of FLIR’s OEM cameras?

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Technical Guidance

How long do I have to wait after power up before I can send I2C commands to the Lepton?

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System Requirements

Is scene-based non-uniformity compensation (SBNUC) turned on by default in Lepton?

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Technical Guidance

What is the influence of the camera temperature on the pixel readings? Can this be corrected by a linear model?

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Technical Guidance

What is the meaning of the various frame number codes used for Lepton?

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Technical Guidance

Why are there different temperature accuracy specifications on products using Lepton? How can one of the higher accuracy Lepton parts be obtained?

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Configuration

Can any of the default Lepton configurations be changed?

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System Requirements

Lepton uses three power supplies, is there any power-up sequence requirement?

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System Requirements

What are the focal length lens options of the Lepton (80x60) series?

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Technical Guidance

What do I do with unused signals on my Boson, Lepton, Tau, or Quark cameras?

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Resources:
Tech Note: FLIR Camera Adjustments - LWIR
Download
Tech Note: FLIR Lepton Software Interface Description Document
Download
Datasheet: Lepton 2.5 Datasheet
Download
Lepton with Radiometry Quick Start Guide
Download
Tech Note: Lepton vs Lepton 3 App Note
Download
Software Firmware Release Note: Lepton 1.X Thermal Camera End Of Life AUG 2019
Download
Datasheet: Lepton Engineering Datasheet
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Datasheet: Lepton 3 & 3.5 Datasheet
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Datasheet: Lepton 2.5 Datasheet A4
Download
Datasheet: Lepton Camera Breakout Board v2.0 Datasheet
Download
Software Download: Lepton SDK and Documentation
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Specifications
Overview
Input Clock
25-MHz nominal, CMOS IO Voltage Levels
Output Format
User-selectable 14-bit, 8-bit (AGC applied), or 24-bit RGB (AGC and colorization applied)
Spectral Range
Longwave infrared, 8 µm to 14 µm
Temperature Compensation
Automatic. Output image independent of camera temperature.
Thermal Sensitivity
<50 mK (0.050° C)
Connections & Communications
Video Data Interface
Video over SPI
Electrical & Mechanical
Control Port
CCI (I2C-like), CMOS IO Voltage Levels
Mechanical Interface
32–pin socket interface to standard Molex® socket
Environmental & Approvals
Non-Operating Temperature Range
-40 °C to +80 °C
Shock
1500 G @ 0.4 ms
Imaging & Optical
Image Optimization
Factory configured and fully automated
Sensor Technology
Uncooled VOx microbolometer
Solar protection
Integral