Introducing the QHYCCD QHY5III678M (monochrome) or QHY5III678C (color)
The QHYCCD QHY5III678M (monochrome) or QHY5III678C (color) is a new-generation camera designed for planetary, lunar and solar imaging (with suitable filter), as well as for precise guidance. Equipped with the Sony IMX678 backlit CMOS sensor, it offers 8.4 megapixel resolution with 2.0 µm pixels, high sensitivity in the visible and near infrared (NIR), and fast readout capability. Compact and powerful, this camera is ideal for capturing the incredible detail of celestial objects.
Main technical specifications
- Sony IMX678 CMOS sensor :
- Size: 1/1.8" (6.7 mm x 3.7 mm).
- Resolution: 8.4 megapixels (3856 x 2180 effective pixels).
- Pixel size: 2.0 µm, ideal for high-resolution configurations.
- Backlit structure (BSI) with enhanced red and near-infrared sensitivity.
- Native sampling depth :
- 12-bit ADC with output in 16-bit or 8-bit formats.
- Full Well Capacity :
- Up to 9 ke-, for capturing high-contrast scenes without saturation.
- Low playback noise :
- Between 0.57 e- and 3.3 e-, offering excellent image quality even in low light.
- Exposure time :
- Adjustable exposure range from 11 µs to 900 seconds, allowing great flexibility for different types of celestial objects.
Optical Performance
- Acquisition frequencies (Full Frame) :
- Full resolution (3856 x 2180) :
- 43 FPS @8 bits,
- 22 FPS @16 bits.
- ROI (Region of Interest) :
- Resolution adjusted for higher speeds :
- 1920 lines: 85 FPS @8 bits, 43.5 FPS @16 bits.
- 640 lines: 140 FPS @8 bits, 71 FPS @16 bits.
- Enhanced near infrared (NIR) sensitivity :
- Thanks to an advanced photonic well design, the sensor is almost as sensitive to NIR light as to visible light, enabling detailed observations in these wavelengths.
Design and Connectivity
- Integrated DDR3 buffer memory (512 MB) : Enables smooth data transfer even with large files generated by the high-resolution sensor.
- High-speed USB3.2 Gen1 Type-C interface : Ensures fast, reliable transfer for high-resolution acquisitions.
- Integrated ST-4 port : Compatible with standard guide mounts for precise tracking.
- Extended optical compatibility :
- Connection to telescope via standard 1.25" adapter, compatible with CS and C lenses after replacement of front adapter.
In the Box
When you purchase the QHY5III678M, you will receive :
- The QHY5III678M camera.
- A high-speed USB3.2 Type-C cable.
- ST-4 cable for guidance.
- A C-Mount adapter.
- Instructions for downloading drivers.
Distinctive features
- Backlit Sony IMX678 CMOS sensor offering high sensitivity in the visible and near-infrared ranges.
- On-board DDR3 buffer memory (512 MB) to prevent data loss during fast acquisition.
- USB3.2 Gen1 Type-C interface for fast, reliable transfer.
- Flexible exposure range up to 900 seconds.
- Compact and lightweight (just 90 g), ideal for mobile or fixed configurations.
Applications
- Detailed planetary imagery: Jupiter, Saturn, Mars and the Moon.
- Solar imaging (with suitable filter).
- Precise guidance thanks to integrated ST-4 port.
- Scientific applications requiring high near-infrared sensitivity.
Conclusion
The QHY5III678M is a versatile monochrome camera that combines outstanding performance with a compact, lightweight design. Ideal for planetary and solar imaging as well as precise guidance, it boasts enhanced sensitivity in the visible and near-infrared range thanks to its advanced Sony IMX678 sensor. Whether you're an amateur or an experienced astrophotographer, this camera is a powerful tool for exploring the wonders of the solar system with precision and reliability.
