Opticstar - PX-125C Color Auto-Guider and Planetary Imaging CMOS Camera

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The PX-125C is the ideal colour video and single frame camera that combines high frame rates with high sensitivity and a built-in ST4 auto-guide port.

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Product Description

The PX-125C is the perfect color video and single frame camera that merges high frame rates with high sensitivity and a built-in ST4 auto-guide port.

The PX-125C is well designed for planetary, Lunar and Solar imaging with a suitable Solar filter. The camera has been designed to come in focus even with telescopes with short focal travel including the Coronado PST without the requirement for a barlow that lessens the field of view.

The PX-125C is appropriate for catching critical type targets including the International Space Station because of its low noise characteristics and high Gain while retaining the necessary high S/N ratios.

The camera is also well suited for industrial inspection and microscopy applications. Noise reduction, Gain and Region of Interest (ROI) are all features implemented in the hardware to deliver exceptional performance with frame rates of up to 28fps at 1280x960 resolution.

  • Sensor: 1/3" Aptina AR0130 Colour CMOS
  • Sensor Resolution: 1280(H) x 960(V)
  • Sensitivity: 5.5 V/lux-sec @ 550nm
  • Frame Rate: 28 FPS @ 1280x960
  • USB 2.0 Powered
  • Hardware Gain
  • No Infra Red filter
  • Robust aluminium alloy body
  • Suitable for Planetary, Lunar, Solar imaging & Guiding
  • Auto guider port (ST4)
  • Bundled Software:
    • OpticstarSky
    • PHD Guiding
    • ASCOM support
    • DirectShow support
    • TWAIN support
  • Computer Requirements:
    • Microsoft Windows (32-bit & 64-bit) Vista/7/8/10
    • USB 2.0 port (USB 3.0 compatible)


PX-125C OpticstarSky - Camera Control Software

The camera is bundled with the OpticstarSky application software for capturing and storing images and video. The software also includes dark frame support and extensive image processing functionality including image stacking.


Third Party Software Support

Optionally, the camera can be used with third party application software that support Microsoft’s DirectShow standard. Support is also included for the TWAIN communication protocol that allows third party application software to import images from digital devices such as the PX-125.


ASCOM Support

PHD Guiding software is bundled with the camera that allows the PX-125 to be used as an auto-guider. Auto-guiding is supported through the ASCOM software standard ensuring wide support by third party applications.



The camera requires a USB2.0 port to operate and is USB3.0 compatible. 







Name Opticstar - PX-125C Color Auto-Guider and Planetary Imaging CMOS Camera
Manufacturer Opticstar
Data Format 8-bit or 12-bit; AVI video with or wihthout MPEG compression, BMP, TIFF, JPEG, etc
Frame Rate 28fps @ 1280x960; 30fps @ 640x480
Image Sensor Format 1/3" CMOS colour sensor
Operating Humidity 30 to 80%RH
Operating System Microsoft Windows (64-bit & 32-bit) Vista/7/8/10
Operating Temperature -10°C to 50°C
Pixel Size 3.75µm x 3.75µm
Resolution 1280(W) x 960(H)
Sensitivity 5.5 v/Lux-sec at 550nm (Gain off)
Sensor Aptina AR0130
Shutter Electronic Rolling
Software Features OpticstarSky, PHD Guiding, ASCOM, DirectShow, Twain, Drivers for Microsoft Windows (64-bit & 32-bt) Vista/7/8/10
Storage Humidity 10 to 60%RH
Storage Temperature -20°C to 60°C


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