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Regular Price: US$ 636.20

US$ 569.80 Special Price until Dec 31, 2023

Backorder: Shipped in 7 working days

Short Description

ASI174MM is a new camera designed especially for Sun and Moon imaging.


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Sony IMX174 CMOS Sensor Features

  • The Sony IMX174 monochrome CMOS sensor that separates the ASI174MM from previous ASI models. This type 1/1.2” Sony CMOS image sensor, with a 5.86µm unit pixel in a 1936 x 1216 array, has a lot of advantages when taking high quality solar, lunar, planetary, and deep sky object images.
  • Pregius Global Shutter function with analog memory permits the scanning of all pixels simultaneously. The Sony IMX174’s global shutter function provides improved image quality by making sure images of moving objects avoid focal plane distortion. This is especially helpful when performing solar or lunar imaging. Bad seeing, wind, or movement can alter the image if the readout speed is not quick enough (< 30fps).
  • Sony Exmor technology uses column-parallel A/D conversion for high speed processing, low noise, and low power dissipation.
  • ROI, or Region of Interest Mode lets you capture up to 16 areas inside the effective pixels. This ability allows for even higher frame rates.
  • High speed imaging with a max of 164.5 fps at 10 bit ADC, and max of 128.2 fps at 12 bit ADC

Astrophotography Performance

ASI 174MM read noise

High QE

Absolute QE Curve, we estimate the Peak Value is about 77%.

USB 3.0 Port & ST4 Port

USB 3.0 Port: can provide 5Gb bandwidth to let ASI174 run at 128 fps (12bit, normal mode) or 164 fps (10bit, high speed mode)  at full resolution(2.35Mega).

ST4 Port: can be used connect with auto guide port of mount, for guiding.

Back Focus

After remove T2 11mm ring, back focus length will be only 6.5mm.

Mechanical Diagram

What is in the box?

Additional Information

Additional Information

Warranty2 Years
Sensor Name1/1.2″ CMOS IMX174LLJ
Sensor TechnologyCMOS
Sensor TypeMONO
Sensor Dimension1936×1216
Sensor Resolution2.3 Mega Pixels
Pixel Size (µm)5.86
Bit Rate12 bit
InterfaceUSB 3.0
Full wellN/A
QE peak77%


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