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ZWO ASI990MM Pro USB3.0 Monochrome SWIR Camera
The ZWO ASI990MM Pro Monochrome SWIR Camera is an advanced astrophotography and scientific imaging camera that uses the 1/2" Sony IMX990 SenSWIR sensor, featuring a wide band from 0.4μm to 1.7μm. This camera offers exceptional performance in the 900–1700nm spectral range for advanced imaging.
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ZWO's First SWIR Camera - Daytime Astrophotography
The ZWO ASI990MM Pro Monochrome SWIR Camera is designed for advanced imaging applications, offering exceptional performance in short wave infrared (SWIR) imaging. With a 1.3MP resolution and a large pixel size of 5μm, it delivers high-definition results and excels in photometric measurements, optical communication, and laser or optical laboratory research. Its wide sensitivity range (0.4 to 1.7μm) makes it ideal for astrophotography, allowing you to capture stars even during the daytime or through thin clouds.
The ASI990MM Pro features a peak quantum efficiency (QE) of 80% at 1200nm, ensuring excellent sensitivity. Its advanced two-stage TEC cooling system lowers the sensor temperature by up to 35°C below ambient, reducing noise and improving image quality during extended exposures.
No Amp Glow
Traditional CMOS sensors produce a weak infrared light source during operation, which is quite often seen in the corner of uncalibrated images.
This is a tell-tale sign of 'Amp Glow'. As the ASI990MM Pro uses zero amp glow circuitry, there is no need to worry about amp glow any longer.
Engineered for precision and versatility, the camera includes a rolling shutter, 256MB DDR3 memory buffer, and a durable design weighing just 700g. Its M42 x 0.75 adapter ensures compatibility with various setups. Whether for scientific research or astrophotography, the ASI990MM Pro delivers outstanding results.
Full Specifications
| Type | Monochrome |
| Sensor Type | IMX990 |
| Sensor Size | 6.4x5.12mm |
| Pixel Size | 5 μm |
| Read Noise | 21.27e |
| Resolution | 1.3MP (1280x1024) |
| Max Framerate | 31.9 FPS |
| Zero Amp Glow? | Yes |
| Delta T | 35°C below ambient |
| Memory Buffer | 256MB DDR3 |
| Shutter | Rolling Shutter |
| QE Peak | 80% |
| Full Well | 127,000e |
| Back Focus | 6.5mm |
| ADC | 12-bit |
| USB | 3.0 |
| Adapter | M42 X 0.75 |
| Weight | 700 g |
Recommended Accessories
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ZWO 12V 5A Power Adapter for Cooled Cameras Used to power your compatible ZWO cooled camera or electronic device. |
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ZWO Desiccant Tablets for Cooled Cameras Replace used dessicant tablets as required with the ZWO Dessicant Tablets for Cooled Cameras to keep your cooled camera functioning optimally. |
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M42 T-Thread Spacer Ring Kit Add a M42-T-Thread Spacer Ring Kit to adjust backfocus spacing as required. Comes with 4 convenient sizes. |
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ZWO 12V 5A Power Adapter for Cooled Cameras Used to power your compatible ZWO cooled camera or electronic device. |
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ZWO Desiccant Tablets for Cooled Cameras Replace used dessicant tablets as required with the ZWO Dessicant Tablets for Cooled Cameras to keep your cooled camera functioning optimally. |
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M42 T-Thread Spacer Ring Kit Add a M42-T-Thread Spacer Ring Kit to adjust backfocus spacing as required. Comes with 4 convenient sizes. |
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About ZWO Optical
Astrophotography has never been easier.
Established in 2011, ZWO Optical is a fast-growing global astroimaging camera powerhouse based in Suzhou China. They focus on building and innovating ground-breaking CMOS cameras such as the iconic ZWO ASI120MM Monochrome CMOS camera (the first-ever planetary CMOS camera to beat a CCD in the early 2010s). ZWO continues to pioneer new astrophotography technology with revolutionary features to capture exceptional quality of images of space that will last you a lifetime. Today, ZWO cameras are recognised by every passionate astrophotographer and are available in over 25 countries internationally.
Product Code: ASI990MM-P