QHY
QHY5III678M - Planetary Camera
QHY5III678 is a new planetary and guiding camera of the 2nd generation of QHY5III series, the upgraded version of QHY5III178M/C, with excellent near-infrared high sensitivity.
In this latest generation of sensors, the photodiode portion of the pixel well is physically deeper than in previous sensors, allowing photons of longer wavelengths to penetrate deeper into the substrate. This dramatically increases the sensor’s sensitivity to red and near-infrared (NIR) light. The sensor displays almost equal peak sensitivity to NIR light as it does to light in the visible spectrum.
DDR3 512MB
The QHY5III678 series planetary and guiding cameras are all equipped with a 512MB DDR3 image buffer which can effectively reduce the pressure on computer transmission, a great help for planetary photography which often requires writing a large amount of data in a short period of time. Some deep-sky astrophotography cameras on the market today only have 256MB, for example.
In comparison, the 512MB DDR3 memory of the new 5III (Ver. 2) series cameras represents a significant upgrade.
USB-c connectivity
The new QHY5III678 series cameras all use the USB3.2 Gen1 Type-C interface. Compared to the USB3.0 Type-B interface used in the previous generation, the Type-C interface has a longer life and is more flexible.
Tips: It is recommended to use the official standard Type-C data cable of QHYCCD. As the market is flooded with a large number of poor-quality Type-C cables, casual use may lead to the camera malfunctioning. If you use your own spare cable, please make sure it is a high-quality cable.
Universal Guiding Interface
The custom interfaces of the previous generation of planetary cameras and guiders has been replaced in the QHY5III (Ver.2) cameras with a more universal ST-4 compatible guiding interface. Now, even if the guiding cable is lost or damaged, you will be able to easily get a replacement on the market at a low cost.
Indicator LED
The new QHY5III (Ver.2) series of cameras is equipped with a status indicator at the back of the camera. If the camera experiences an abnormal status, the multi-colored indicator light will help to determine the situation with different colors signifying different conditions. During normal operation this indicator light is off, so there is no worry about light contaminating the image.
Specifications
| Model | QHY5III678 |
| CMOS Sensor | Sony IMX678 |
| Pixel Size | 2.0um*2.0um |
| Effective Pixel Area | 3856*2180 |
| Effective Pixels | 8.4 Mega Pixel |
| Fullwell | 9ke- |
| Readout Noise | 0.57-3.3e- |
| AD Sample Depth | 12-bit (output as 16-bit and 8-bit) |
| Built-in Image Buffer | 512MB DDR3 Memory |
| ROI Frame Rate | Full Resolution 43FPS @8BIT 22FPS @16BIT
1080Lines 85FPS @8BIT 43.5FPS @16BIT 640Lines 140FPS @8BIT 71FPS @16BIT |
| Exposure Time Range | 11us-900sec |
| Shutter Type | Electric Rolling Shutter |
| Computer Interface | USB3.2 Gen1 Type-C |
| Guide Port | st4 |
| Telescope Interface | 1.25-inch, compatible with CS-port and C-port lenses by replacing the front-end connector (An IR AR glass and an IR850nm filter are included in the standard version.) |
| Back Focal Length | 17mm（with adapter）; 8±0.5mm（without adapter） |
| Weight | 90g |
Camera Curves
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QHY5III678 is a new planetary and guiding camera of the 2nd generation of QHY5III series, the upgraded version of QHY5III178M/C, with excellent near-infrared high sensitivity.
In this latest generation of sensors, the photodiode portion of the pixel well is physically deeper than in previous sensors, allowing photons of longer wavelengths to penetrate deeper into the substrate. This dramatically increases the sensor’s sensitivity to red and near-infrared (NIR) light. The sensor displays almost equal peak sensitivity to NIR light as it does to light in the visible spectrum.
DDR3 512MB
The QHY5III678 series planetary and guiding cameras are all equipped with a 512MB DDR3 image buffer which can effectively reduce the pressure on computer transmission, a great help for planetary photography which often requires writing a large amount of data in a short period of time. Some deep-sky astrophotography cameras on the market today only have 256MB, for example.
In comparison, the 512MB DDR3 memory of the new 5III (Ver. 2) series cameras represents a significant upgrade.
USB-c connectivity
The new QHY5III678 series cameras all use the USB3.2 Gen1 Type-C interface. Compared to the USB3.0 Type-B interface used in the previous generation, the Type-C interface has a longer life and is more flexible.
Tips: It is recommended to use the official standard Type-C data cable of QHYCCD. As the market is flooded with a large number of poor-quality Type-C cables, casual use may lead to the camera malfunctioning. If you use your own spare cable, please make sure it is a high-quality cable.
Universal Guiding Interface
The custom interfaces of the previous generation of planetary cameras and guiders has been replaced in the QHY5III (Ver.2) cameras with a more universal ST-4 compatible guiding interface. Now, even if the guiding cable is lost or damaged, you will be able to easily get a replacement on the market at a low cost.
Indicator LED
The new QHY5III (Ver.2) series of cameras is equipped with a status indicator at the back of the camera. If the camera experiences an abnormal status, the multi-colored indicator light will help to determine the situation with different colors signifying different conditions. During normal operation this indicator light is off, so there is no worry about light contaminating the image.
Specifications
| Model | QHY5III678 |
| CMOS Sensor | Sony IMX678 |
| Pixel Size | 2.0um*2.0um |
| Effective Pixel Area | 3856*2180 |
| Effective Pixels | 8.4 Mega Pixel |
| Fullwell | 9ke- |
| Readout Noise | 0.57-3.3e- |
| AD Sample Depth | 12-bit (output as 16-bit and 8-bit) |
| Built-in Image Buffer | 512MB DDR3 Memory |
| ROI Frame Rate | Full Resolution 43FPS @8BIT 22FPS @16BIT
1080Lines 85FPS @8BIT 43.5FPS @16BIT 640Lines 140FPS @8BIT 71FPS @16BIT |
| Exposure Time Range | 11us-900sec |
| Shutter Type | Electric Rolling Shutter |
| Computer Interface | USB3.2 Gen1 Type-C |
| Guide Port | st4 |
| Telescope Interface | 1.25-inch, compatible with CS-port and C-port lenses by replacing the front-end connector (An IR AR glass and an IR850nm filter are included in the standard version.) |
| Back Focal Length | 17mm（with adapter）; 8±0.5mm（without adapter） |
| Weight | 90g |
Camera Curves
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