Starlight Xpress TRIUS CSX249 Cooled Monochrome CMOS Camera

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Starlight Xpress TRIUS CSX249 Cooled Monochrome CMOS Camera

The TRIUS CMOS camera series innovates in many ways, making it an undeniable contender for the best cameras in its class!

No Glow Technology

It has always been virtually impossible to eliminate amplifier glow without post-processing techniques, which means manipulating the raw data, often before it arrives at the computer.experimenting with various clocking routines, Starlight Xpress has developed a methodology that will allow you to take up to 15-minute exposures with minimal glow while maintaining your raw data.

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Sony IMX249 CMOS Sensor

  • 1920 x 1200 (2.3 megapixels) 
  • 6-pixel pitch perfectly matches telescopes with focal lengths of 4950mm or less for deep space imaging.
  • 80% Peak QE for more effective light gathering.
  • 33k Electron Well Depth and 3e- read noise produce 12 stops of dynamic range

Versatile Camera Body

All Trius Cameras have incorporated a USB hub into the main camera, which offers 3 x USB 2.0 ports at the rear of the camera. Each port is capable of delivering up to 200mA and is able to drive a Lodestar, or UltraStar for guiding and another two USB ports for our USB filter wheels, etc. This integration greatly reduces the number of cable trails back to the computer and gives less potential cable tangling around the mount during your imaging session.

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Low Temp Cooling Systems

New 3 stage Peltier cooler combinations have been designed into the CMOS TRIUS cameras, along with the Argon-filled sensor chamber for delivering good cooling to the CMOS sensors.


ADC12 bit
Color or MonoMonochrome
Dynamic Range12 Stops
Full Well33ke
Mega Pixels2.3 mp
MP2 to 4 MP
Peak QE80%
Pixel Array1920 x 1200
Pixel Size6 microns
PS4 to 6 Microns
Read Noise3e
Sensor Diagonal13.6mm
Sensor TypeCMOS
SensorSony IMX249
Weight1 lbs