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More products from the brand :QSI

QSI 726-W7

CHF 3'799

Reference CAM-0030

Disponible en stock chez le fournisseur

Free delivery
Easy, free returns

The QSI 726 CMOS camera

The QSI 726 CMOS camera is a high-end solution dedicated to astronomical imaging, combining advanced technologies to deliver outstanding performance. Designed to meet the needs of demanding astrophotographers, it features a high-sensitivity sensor, advanced cooling capabilities and ergonomic integration.

CMOS sensor and performance

The QSI 726 is equipped with Sony's IMX571 monochrome CMOS sensor, a backlit sensor (BSI) renowned for its high sensitivity and low power consumption. Key features include

  • Resolution 26 megapixels with a matrix of 6244 x 4168 pixels.
  • Pixel size 3.76 µm, offering an excellent compromise between resolution and sensitivity.
  • Quantum Efficiency (QE) Up to 90 %, guaranteeing optimum performance even under low-light skies.
  • Dynamic range Thanks to a native 16-bit analog-to-digital converter (ADC), the camera captures a wide dynamic range, essential for preserving detail in both dark and bright areas.
  • Fast read rate Up to 120 million pixels per second, ideal for fast data transfer via the USB 3.0 interface.

The Sony IMX571 sensor is also renowned for its low production of read noise, enabling sharp images even with long exposures.

Advanced cooling

The QSI 726 incorporates a high-performance thermal cooling system based on a two-stage Peltier module. This system is capable of lowering the transducer temperature to -40°C below the ambient temperature, thus reducing thermal noise to virtually zero.

  • The sensor chamber is hermetically sealed to prevent contamination by moisture or dust.
  • A fused silica optical window with double-sided anti-reflective coating protects the sensor while minimizing stray reflections and light halos.

Integrated filter wheels : Two versions available

The QSI 726 camera is available in two distinct configurations to meet a wide range of user needs:

  1. Version with 5-position motorized filter wheel :
    • Compatible with unmounted filters of 36 mm diameter or mounted in 1.25-inch format.
    • Ideal for astrophotographers using a restricted set of filters (e.g. LRGB + Hα).
  2. Version with 7-position motorized filter wheel :
    • Compatible with unmounted 36 mm diameter filters or filters mounted in 2-inch/50 mm format.
    • Perfect for those wishing to use a wider range of filters (e.g. LRGB + several narrow bands such as Hα, OIII, SII).

Both versions are designed to minimize backfocus, making them easy to use with various focal reducers or optical accessories.

Ergonomic Design and Connectivity

The QSI 726 boasts a robust, compact design, ideal for use in the field or as a fixed observatory. Notable features include

  • Simplified connectivity :
    • Main USB 3.0 interface for fast data transfer.
    • Two additional USB 2.0 ports on the camera allow direct connection of other peripherals (such as an external filter wheel or guide camera), reducing cable clutter.
    • A threaded supply outlet is also available.
  • Anti-condensation window :
    • The front glass is treated to prevent fogging and condensation, guaranteeing consistent performance even in humid environments.

Technical features

  • European construction with particular attention to mechanical and electronic details.
  • Thermal optimization thanks to an efficient design that dissipates the heat generated by the Peltier module.
  • Compatibility with common acquisition software (such as Maxim DL, NINA or Sequence Generator Pro), thanks to full ASCOM driver support.

In the Box" contents

Each QSI 726 camera is supplied with the following items:

  1. QSI 726 camera (with integrated filter wheel - 5- or 7-position version depending on model selected).
  2. High-speed USB 3.0 cable.
  3. Secure external power supply with threaded connectors.
  4. Windows-compatible acquisition software (downloadable from manufacturer's website).
  5. Detailed user manual (digital or paper format).
  6. Optional mechanical accessories depending on configuration (e.g. telescope adapters).

Conclusion

The QSI 726 camera is an essential choice for astrophotographers looking for a complete, high-performance solution. Whether you opt for the 5-position or 7-position filter wheel version, this camera offers outstanding image quality, ergonomic design and proven reliability in all observing conditions.

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