The Altair Hypercam IMX174 camera has the sought-after Sony Pregius Global Shutter IMX174 CMOS sensor, with extremely low read noise and 2.3mp resolution.
The IMX174 sensor is particularily desirable for solar and high resolution planetary imaging at long focal lengths, where high frame rates, and high dynamic range are required to get the most detail in post processing.
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Hypercam IMX174 imaging applications:
The IMX174 sensor is a very good match for the Daystar Quark and Altair Astro refractor combinations because the large pixel size, global shutter, low read noise and wide dynamic range allow prominences and surface detail to be captured in the same frame, without having to over-expose the image and lose detail. Images sharpen up very well because there is no fixed pattern noise with this sensor. The Hypercam IMX174 camera has been developed with solar imaging in mind, and works best with 100mm plus refractors and the Daystar Quark operating at around 3000mm focal length or more. It really comes into it's own with larger refractors. (Check out the Altair Cameras Image Gallery
To sum it up, the most desirable features of the IMX174 sensor are:
- Large format 1/2" sensor
- Peak quantum efficiency of 78%
- Global shutter eliminates motion distortion inherent in rolling shutter sensors, as well as CCD-smearing.
- Fixed pattern noise (common with global shutter CMOS cameras) is eliminated
- Low read noise 6 electrons (e-)
- Saturation (full well) capacity 32,000 electrons (e-)
- Dynamic range 73 dB
Video astronomy and long exposure deepsky imaging:
Although the Hypercam IMX174 is considered the best tool for long focal length solar system imaging, it is also quite capable of long exposures, and will deliver very good results for deepsky imaging and video astronomy (or EAA) using the Live Stacking features in the free AltairCapture software
or SharpCap. (Firecapture is also supported - now in Beta release). Time-lapse all-sky imaging and video is fully supported, and the camera can be used with a CS-Mount lens to hunt for meteors or aurora.
Speed and reliability in one camera: USB3.0 and on-board memory buffering give much faster transfer speeds than the GPCAM USB2.0 series, pushing the USB3.0 format to the limit, yet within a stable envelope. Memory buffering almost completely eliminates dropped frames and corrupted video files, a common problem with USB cameras, and enables faster more consistent frame rates, even with less powerful notebook computers. Consistency and stability is improved for video capture sequences - especially desirable for scientific applications.
QUALITY software and drivers included:
Unlike cheaper cameras, Altair Astro has spent considerable time developing the extensively featured and intuitive AltairCapture software, which can be downloaded from www.altaircameras.com
. AltairCapture is a stable 64 bit Windows application, which allows full control of the camera in high speed video or still mode. It includes extensive automation features, and supports all the major file formats useful for astro imaging and professional scientific imaging in 16bit, 12bit or 8bit mode. Furthermore, the popular PHD Guiding, SharpCap and Firecapture are also natively supported. ASCOM drivers are also available for download at www.altaircameras.com
where you can also get regular driver updates. The installation process is very simple, and unlike with cheaper cameras, there is no need to waste time tweaking .DLL files to make your camera perform as expected.
Wide compatibility: Although the Hypercam is a USB3.0 camera, it is also fully compatible with USB2.0 ports when a longer cable and less speed are required, for example in deepsky or video astronomy using the live stacking features in AltairCapture or Sharpcap. Windows 7 to Windows 10 software is widely supported by AltairCapture in 64bit mode (see technical info for details).
Autoguiding: The camera has an ST4 auto-guiding port, and can be used to auto-guide with mounts from all the major manufacturers supporting ST4 format, including iOptron, Celestron and Skywatcher. The IMX224 is more than sensitive enough for autoguiding.
Fan cooling: The Hypercam is cooled with and internal low vibration fan. The fan can be switched on or off and the speed controlled in AltairCapture and SharpCap. Cool air is drawn in through the vents at the side of the casing, over a large internal heat-sink. The heat-sink is connected directly with the sensor board just like a computer CPU. The free flow of air through the casing cools not only the sensor, but all the internal electronics boards. Cooling is especially desirable for long exposure imaging to reduce thermal noise. Some camera casings get uncomfortably hot during a solar imaging session, and the sensor can reach around 60 or even 70 degrees. This can cause the electronics to become glitchy and unreliable. The Hypercam is designed for consistent, reliable solar imaging with a solar filter and diagonal or Hershel Wedge. With the fan running, the Hypercam casing will always remain cool.
Support & warranty:
Altair delivers proper on-shore English-speaking UK/EU support with a 2 year manufacturer warranty against defects in materials and workmanship. New users should visit Altair Camera Google User Group
where you can get answers to technical questions. The group is also a great place to share tips and techniques, to get the best out of your camera. The AltairCapture software interface supports most European languages including English, German, French, Indonesian, Japanese, Korean, Polish, Russian, Chinese, Spanish, Thai, and Turkish.
The camera can be fully controlled in AltairCapture and SharpCap to output uncompressed .AVI and .SER video files for solar system imaging, as well as all common still image formats such as .JPEG .PNG .TIFF .BMP, and .FITS (for deepsky imaging) to mention just a few. The Hypercam supports 8bit or 12bit output. The 12 bit output mode can be used for deep sky imaging with less frames needing to be stacked and a wider pixel intensity range. The IMX224 sensor is extremely sensitive and a good candidate for video astronomy, especially with small refractors. Find out more about bit depth here
. Find out more about video & file formats here
What’s different about the Hypercam platform compared to the GPCAM platform? You’ll notice the Hypercam has a larger casing than the GPCAM and GPCAM2. This is to house larger electronics boards which support trigger mode and frame buffering, the additional electronics for USb3.0 support, and to house the fan-cooled large heat-sink.
The Hypercam platform: The Hypercam platform supports “Trigger Mode” to make long exposures of over 5 seconds easier to control. With most cameras, in normal video mode, you have to wait for an exposure to complete before the camera will accept, say a command to abort the frame, for say clouds, aircraft, or an alignment issue, like kicking the tripod and so-on, or for routine changes in gain, exposure time, , re-aligning or refocusing on the object. For long exposures, normal video mode is inconvenient, especially for video astronomy and deep-sky imaging, however in Trigger mode, you can stop the camera instantly (even if you are half way through a long 30 second exposure) change the settings, and re-start the camera looping again. The Hypercam also has an improved on-board frame buffer to improve data transfer stability at high frame rates (to reduce dropped frames) and to increase compatibility with a wider range of PCs. The improved buffers give a more consistent data transfer rate over USB2.0 and USB3.0 buses on laptops and desktop PCs.
Included in the box:
Camera body with internal cooling fan, heat-sink, and front female M42x0.75mm T-Thread interface.
1.8m High-speed USB3.0 cable.
1.5m ST4 guide cable.
1.25 inch x nosepiece with female 1.25" filter thread on the front. (an optional 2" OD Nosepiece is available, code ALTAIRH-2IN)
CS-Mount insert (12.5mm back-focus) is pre-installed on camera. (Optional 5mm extension adapter available for C-Mount lenses requiring 17.5mm back-focus.)
Camera casing with M42 thread (12.5mm backfocus).
Built-in UV-IR Blocking Filter, AR coatings. (Removable for sensor cleaning).
Plastic dust cap 1.25".
Silicon dust cap for sensor.
Allen key for removing the C-Thread insert.
Note: This camera does not come with software in the box. To operate the camera you will need to download the latest camera drivers at www.altaircameras.com
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Sensor & performance specifications:
ALTAIRH174M: SONY Exmor IMX174 Mono CMOS sensor
Sensor Size: 1/1.2" diagonal (13.4mm)
Exposure duration shortest/longest: 0.025 ms (0.000025 secs) / 5 secs (Video Mode)
0.025 ms (0.000025 secs) / 1000 secs (16.66mins) (Trigger Mode)
Bit depth: 8bit & 12bit mode switchable
Pixel size microns: 5.86x5.86 um
Resolution in pixels: 1920x1200
Recording System: Still Picture and Video
Region of Interest (ROI) support: Available
Approx. Max frame rates* (assuming computer Bus operating at full bandwidth):
640x480 286-300+ FPS ROI
320x240 514FPS ROI
Approx. 50% of above
* Based on average user reports. May be revised as we get more data. The shorter the exposure duration, the faster the frame rate. An expensive PC does not guarantee a fast frame rate because bus and motherboard architecture vary.
Sensor QE / Quantum Efficiency: 78% Peak
Gain Sensitivity: 1016mv;
Dynamic Range: 73db;
Read Noise: 6e-
Readout: Electronic Global Shutter
Software & OS support:
Driver support: PHD2, AltairCapture, SharpCap, (Windows DirectShow)
AltairCapture OS support: Win Vista/ 7/ 8/ 10 (32 & 64 bit)
SharpCap (a 3rd party application) is also fully supported and tested with native drivers.
Firecapture (a 3rd party application) is being tested with native drivers, see latest release.
USB Port & Cable: 3.0 USB Cable, 1.8m cable
ST4 Port & Cable: Standard ST4 Opto-Isolated, 1.5m cable, iOptron, Celestron, Skywatcher SynScan GOTO.
Cooling: High Performance Electronic Fan-cooling System with Heat-sink
Camera body length: 80 mm
Weight grams: 320 g (camera net weight)
Optical window can be removed:
Mono Camera: AR-coated clear protect window 350-1050nm wavelength transmission
Colour Camera: AR-coated UV/IR blocking filter 400-700nm wavelength Transmission
Back-focus & Adapter compatibility:
Optical Window is removable for cleaning.
Camera body: OD 65mm
Camera body thread: M42x0.75 T2 Thread to CS -Mount insert allows direct attachment of CS-Mount lens (or C-Mount lens with optional 5mm extension).
C-mount lens adapter 5mm extension: Optional
C-mount lens compatibility: C-Mount male threaded lens with 17.5mm back-focus (or flange-distance) requirement.
CS-mount lens compatibility: C-Mount male threaded lens with 12.5mm back-focus (or flange-distance) requirement.
Astro filter thread adapter: Included, 1.25" OD and 2” OD (optional), Female thread
Sensor surface distance from flat end of CS-mount adapter: 12.5 mm
Sensor surface distance from flat end of 1.25" / M42 Astro adapter: 37 mm
Operating environment conditions:
Power consumption: 0.905 W (standby);
1.68 W (running with Fan off);
2.525 (running with Fan on);
Max operating temp: 50 °C
Lowest operating temp: -10 °C
Max operating humidity: 80 % RH
Power source in Volts: 5V DC (via USB cable)
Windows PC Hardware Requirements:
Minimum CPU: Equal to Intel Core2 2.8GHz or Higher
Minimum Memory: 2GB or More
USB port: USB2.0 High-speed Port or USB3.0 High-speed Port
Monitor Display: 17" or Larger
Software delivery: Downloaded online and saved to hard drive.
Protective silicon rubber end-cap for camera CS-thread.
Plastic end cap for 1.25" nosepiece.
Padded cardboard storage box with durable foam inserts
2 inch x 22mm nosepiece with 2” filter thread, code ALTAIRH-2IN.
C-Mount 5mm extension adapter for C-Mount lenses requiring 17.5mm back-focus.
Clear AR coated optical window;
Quick Start & AltairCapture instructions:
Downloaded online at www.altaircameras.com
and saved to hard drive.
Warranty: 2 years manufacturer warranty against defects in materials and workmanship. Return to point of purchase.