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FLIR Quark 640 35mm f/1.5


FLIR Quark 640 35mm f/1.5
FLIR Quark 640 35mm f/1.5
FLIR Quark 640 35mm f/1.5
FLIR Quark 640 35mm f/1.5
FLIR Quark 640 35mm f/1.5
  • : Discontinued
  • SKU: 50640W35H

Available Options

Product Highlights
  • 640x512 Pixels
  • 18°H x 14°V FoV
  • 35mm Lens
  • 22x22x17mm
  • 28 Grams
  • LWIR
  • 1.06" Dia Lens

The FLIR Quark has been Discontinued.

This camera comes with a 1 year manufacturer warranty.

The FLIR Quark Thermal Camera Core: The smallest, lightest thermal camera of it's kind.

The FLIR Quark 640 35mm f/1.5 delivers FLIR's reputable performance in a compact lightweight package. The uncompromising size of the FLIR Quark 640 35mm f/1.5 offers a new variety of uses for R&D applications where size and weight are important factors. Weighing less than 25g and 22 x 22mm in size, the FLIR Quark is the smallest of its kind. FLIR did not compromise quality for size with the Quark 640 35mm f/1.5, delivering a 640 x 512 resolution it will stand up to any long wave thermal camera.

Compact and Powerful

Thanks to the Quark's compact design, power consumption is minimal, granting extended use of the camera and freeing energy for other needs. The FLIR Quark was designed with a high shock and vibration tolerance so it's intended for years of maintenance-free operation at an affordable price.

Key Features:


  • 17-micron pixels
  • Ultra-Small Volume and Low Mass: Enables new applications in smaller packages
  • Low Power Consumption: Get the most out of available power
  • High Shock and Vibration Tolerance: Designed for years of maintenance-free operation
  • 30/60 Hz Field-Switchable Frame Rates (366 only)
  • Affordable Price


Radiometric No
  Quark 640 Quark 336
Thermal Imager Uncooled VOx Microbolometer
FPA / Digital Video Display Formats 640 × 512 336 × 256
Analog Video Display Formats 640 x 480 (NTSC); 640 x 512 (PAL)1
Pixel Pitch 17 μm
Pixel Size 30 Hz (NTSC) 25 Hz (PAL) 30/60 Hz (NTSC) 25/50 Hz (PAL)
Exportable Frame Rates 7.5 Hz (NTSC); 8.3 Hz (PAL)
Sensitivity (NEdT) <50 mK at f/1.0
Scene Range (High Gain) -40°C to +160°C 
Scene Range (Low Gain) N/A -40°C to +550°C 
Time to Image <3.5 sec
Factory Optimized Video Yes
Physical Attributes
Size (w/o lens) 17 x 22 x 22 mm
Precision Mounting Holes

(M1.6x0.35) on 4 sides (2 per side)

Image Processing & Display Controls
NTSC/PAL (field switchable) Yes
Image Optimization Yes
Digital Detail Enhancement Yes
Digital Detail Enhancement Yes
Polarity Control (black hot/white hot) Yes
Color & Monochrome Palettes (LUTs) Yes
Digital Zoom 2x, 4x, 8x 2x, 4x
Symbology (256 gray & 256 color) Yes
Digital Video
LVDS (14-bit or 8-bit) Yes
CMOS (14-bit or 8-bit) Yes
BT.656 (8-bit) Yes
BT.656 (8-bit) Yes
Slow Video Option (factory configured) Yes
Primary Electrical Connector 60-pin SAMTEC 
Input Power (max 2.5 amp during shutter) 3.3 VDC +/-0.1VDC
Power Dissipation, steady state ~1.0 W
Flat-Field Correction (FFC) Duration ~2.0 sec 
Power Reduction Switch (disables analog video) Yes 
RS-232 Compatible Communication Power Reduction Switch (disables analog video)
External Sync Input/Output Yes 
Discrete I/O Controls Available Yes 
Settable Splash Screens Yes (10-camera minimum)
User Configurability via SDK & GUI  Yes 
Dynamic Range Switching  Yes 
Operating Temperature Range -40°C to +80°C
Non-Operating Temperature Range -55°C to +105°C
Temperature Shock (5°/min) Yes
Operational Altitude (up to 40,000') Yes
Humidity (non-condensing between 5% - 95%) Yes
Vibration 1,000 g, 10 kHz for 10 msec (all axes)
100 g, 3 Hz continuous (all axes)
Shock 800 g; 10 msec pulse (all axes)
ROHS, REACH, and WEEE Compliant Yes



  Quark 640 Quark 336
Focal Length 13mm 19mm 13mm 19mm
f-stop 1.25 1.25
Field of View 45° x 37° 32° x 26° 24° x 19° 16° x 13°
IFoV (milliradians) 1.308 0.895 1.308 0.895
Min Focus Distance 7.6cm 15.3cm 7.6cm 15.3cm
Hyperfocal Distance 4.4m 9.5m 4.4m 9.5m
Hyperfocal Depth of Field 2.2m 4.8m 2.2m 4.8m
Lens Mount M19x0.5-6H inside thread   M19x0.5-6H inside thread  
Diameter 20.62 +0.00/-0.05 mm  20.62 +0.00/-0.05 mm 



Product Name FLIR Quark 640 35mm f/1.5
URL Key flir-quark-640-35mmf1-5
FLIR Boson 640