ZWO ASI992MM Pro SWIR The ASI992MM Pro is a cooled monochrome short-wave infrared camera using Sony’s InGaAs IMX992 sensor. Its 0.4–1.7 µm spectral range extends beyond ordinary visible-light astronomy cameras into SWIR.
Manufacturer model: ZWO ASI992MM Pro SWIR · Specifications checked against manufacturer data on 2026-11-03
The ASI992MM Pro is a cooled monochrome short-wave infrared camera using Sony’s InGaAs IMX992 sensor. Its 0.4–1.7 µm spectral range extends beyond ordinary visible-light astronomy cameras into SWIR.
Sensor and sensitivity
The 8.942 × 7.093 mm sensor records 2592 × 2056 pixels with 3.45 µm pixels and a 12-bit ADC. ZWO lists 62.8 ke full well, 71-electron read noise, up to 70 fps and estimated peak QE above 80% at 1200 nm. These are ASI992 figures, distinct from the lower-resolution ASI990 and ASI991 models.
Cooling and transfer
Two-stage TEC cooling is specified at 35–40 °C below ambient in ZWO’s 30 °C test conditions. Zero amp-glow circuitry, a 256 MB DDR3 buffer and USB 3.0 connection support image capture.
Power and optical connection
Use a 12 V DC, 3–5 A supply with a 5.5 × 2.1 mm centre-positive connector, or an 11–14 V battery. The M42 × 0.75 connection provides 6.5 mm bare sensor spacing, or 17.5 mm with the 11 mm ring. Select optics and filters with transmission appropriate to the intended SWIR wavelength range.
Use the exact named-model manufacturer connection and operating instructions linked with this product. Optional parts and adapters require their specified spacing and power limits.
Additional specifications
Spectral range
0.4–1.7 µm
87829
Fiche technique
CAN (bits)
12
Amp glow
Zero amp glow
Plage de tension batterie
11–14 V
Mémoire tampon
256 MB DDR3
Filetage caméra
M42 × 0.75
Mode couleur
Monochrome
Refroidissement
Two-stage TEC; 35–40 °C below ambient, tested at 30 °C ambient
Capacité de puits (e⁻)
62800
Interface
USB 3.0; USB 2.0 hub
Cadence maximale
70 fps advertised maximum
QE max.
Over 80% at 1200 nm (manufacturer estimate)
Taille des pixels (µm)
3.45
Alimentation
12 V DC, 3–5 A; 5.5 × 2.1 mm centre positive
Bruit de lecture (e⁻)
71
Résolution (px)
2592 × 2056
Capteur
Sony IMX992 InGaAs
Backfocus du capteur
6.5 mm bare; 17.5 mm with 11 mm ring
Dimensions du capteur (mm)
8.942 × 7.093
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ZWO ASI992MM Pro SWIR The ASI992MM Pro is a cooled monochrome short-wave infrared camera using Sony’s InGaAs IMX992 sensor. Its 0.4–1.7 µm spectral range extends beyond ordinary visible-light astronomy cameras into SWIR.
Manufacturer model: ZWO ASI992MM Pro SWIR · Specifications checked against manufacturer data on 2026-11-03
