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Starlight Xpress Trius SX-36C Colour CCD Camera

Starlight Xpress Trius SX-36C Colour CCD Camera
Trius rear USB Guider accessory ports
Product Code
Starlight Xpress

The Trius SX-36 is Monochrome CCD camera with a huge 36.3.4 x 24.2mm Kodak KAI16000M full frame sensor and 16mp resolution. This large sensor makes full use of the large image circle of about 44mm offered by larger sized reflectors and refractor telescopes with field flatteners.

The 7.4 micron pixels make the Trius SX-36C CCD camera well suited to telescopes with larger image circles, such as the Altair Wave Series 115 and the Wave Series 130mm APO with 0.79x Planostar reducer-flattener (which reduces the focal length down to about 720mm). 

Altair tip: We often get asked what the difference is between the 35-C and 36-C cameras and which telescopes suit these cameras because they have the same frame dimensions yet different sensor specifications. Basically it's resolution and pixel size that's the most obvious difference between the two cameras (the sensor size is the same). In particular it's the pixel size which is more of a consideration when it comes to matching camera to telescope. We recommend the 35C with 9 micron pixels for telescopes with large image circles such as a Ritchey Chretien of 8-16", or a larger aperture refractor like the Altair Wave Series 115mm APO or even better, the Wave Series 130mm. We recommend the M36 (with 7.4 microns) for telescopes with a large image circle and slightly shorter focal length than 800mm, down to about 650mm. Note: These are just general suggestions based on the pixel sampling rate vs. focal length of the telescope which determines the size of the Airy Disc compared to the pixel dimensions...!

Get in touch for special price when purchased with an Altair Astro telescope. We also provide special field flattener / spacer sets to match your RC or refractor telescope.

Trius Highlights:

  • Back focal length only 17mm +/-1mm.
  • The CCD sensor can be adjusted in tilt from the front of the camera.
  • High speed USB 2.0 interface for approx. 3.5 second downloads at full resolution (somewhat computer dependent).
  • Built-in autoguider interface and output - compatible with our optional dedicated external guide cameras.
  • 3x powered USB ports for guider and filter wheel control
  • Single USB cable control for all features for less cables in use overall


SXVR-H36 Major features:

  • Large, high resolution Kodak CCD chip, with 16,085,120 x 7.4uM square pixels in a 36.3 x 24.2mm array.
  • Low dark signal - Dark frames not necessary for most of the brighter deep sky objects.
  • Anti-blooming with minimal effect on linearity and no lost active area.
  • Built-in super high speed USB 2.0 interface for approx. 10 second downloads.
  • High sensitivity, approx. 52% QE at peak (green light), 31% at H alpha.
  • Back focal distance 17mm +/-1mm.
  • Built-in autoguider interface and output - compatible with the optional dedicated external guide camera
  • Built-in dual serial ports for accessory control - directly drive filter wheels, GOTO 'scopes etc.
  • Single USB cable control for all features - get rid of that dangerous cable tangle!
  • Only ONE computer needed to control all of the devices and functions
  • Very low power consumption. Less than 1.0 amps at 12v DC - 12VA at 110v or 240v AC
  • Compact and lightweight - only 118mm in diameter x 102mm long - less than 1100 grams load on the telescope.
  • 72 x 1mm input thread, compatible with Takahashi and Starlight Feathertouch focusers, etc.
Trius SX-36 Camera Detailed specifications:
  • CCD type: Kodak KAI16000M interline CCD with low dark current and vertical anti-blooming.
  • CCD Full resolution Pixel data: Pixel size: 7.4uM x 7.4uM, Image format: 4904 x 3280 pixels
  • CCD Image area: 36.3mm (Horizontal) x 24.2mm (Vertical).
  • CCD quality: Grade 2 available at this time.
  • Spectral Response: QE max at 540nM (~52%), 30% at 400nM and 660nM.
  • Readout Noise: Less than 12 electrons RMS - typically only 9 electrons.
  • Full-well capacity: Greater than 30,000 e- (unbinned)
  • Anti-blooming: Overload margin greater than 1000x.
  • Dark current: Dark frame saturation time greater than 10 hours. Less than 0.05 electrons/second @ + 10C ambient.
  • Data format: 16 bits.
  • System gain: 0.4 electrons per ADU
  • Computer Interface: Built-in USB 2.0 compatible interface.
  • Image download time: Typically 10 seconds at full resolution using USB 2.0.
  • Power requirements: 115VAC / 240VAC @ 12VA, or 12VDC @ 750mA max.
  • Cooling system: Regulated constant current cooling supply with two stage thermoelectric cooler to give a CCD temperature of approximately -40C below ambient.
  • Size: 118 x 102mm black anodised aluminium barrel with 72 x 1mm thread at the CCD window end & input/output plugs at rear. CCD alignment screws are provided for setting the chip parallel to the focal plane.
  • Weight: approx. 1100g.
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