ZW Optical ASI174 Mini USB2.0 Mono Autoguiding Camera - 2.3 MP CMOS sensor

ZW Optical ASI174 Mini USB2.0 Mono Autoguiding Camera - 2.3 MP CMOS sensor

This astro camera and autoguider offers sensational sensitivity, a modern sensor, and all of this in an ultra-compact housing, not bigger than a 1.25" eyepiece.
Manufacturer : ZW Optical
SKU : TSO-ASI174MINI
Price: 539.00 € incl tax 19% (Germany)
Estimated delivery time : 4-8 weeks
Product description
ZW Optical ASI174 Mono ultra-compact Astro Camera and Autoguider

The ASI174 is the ultimate autoguider and much more. The modern Sony IMX174LLJ MONO sensor convinces with an outstanding QE of approx. 77%. This high sensitivity, the moderately sized 5.86 µm pixels and the large sensor area of 11.3 x 5.86 mm make this camera also very interesting for astrophotography.

The advantages of the ASI174 Mini as astro camera
  • Highly sensitive sensor combined with high resolution for ultimate moon and planet photographs.
  • Large sensor area and maximum sensitivity for photographing nebulae and galaxies. Due to the excellent noise performance, short exposure times down to "lucky imaging" are possible. Cooling is not absolutely necessary anymore.
  • The camera fits into any 1.25" focuser. Lock the camera like an eyepiece, focus and start with astrophotography.
  • The camera is equipped with a clear glass window which is transparent also in the infrared rage. Thus the exciting infrared photography becomes possible.


The advantages of the ASI174 Mini as autoguider
  • You always find a guide star, even with an off-axis guider - guaranteed!
  • The practical 1.25" housing makes adaption easy. Push the camera into the 1.25" receptacle, focus and get started with guiding.
  • Only 8.5 mm working distance from the front surface to the sensor - you can reach focus even with short maximum distances.
  • With only 60 grams weight, the focuser is almost not loaded.
  • Of course, ST4 cable and ST4 port are supplied. Connect the camera directly to the autoguiding port of the mount.


The autoguider software is not included in the scope of delivery. Among others, the camera is suitable for PHD Guiding, Guidedog, Metaguide, Guidemaster (Freeware) or AstroArt, MaxIm DL (commercial software).

Link to more information and download for PHD Guiding

Link to more information and download for GuideDog Guiding

A tip: with the ASIAIR, the ASI174Mini and your smartphone turn into a fine autoguider which also works without computer, with higher sensitivity and resolution than the previous "stand-alone" autoguiders ... for really little money - simply calculate and compare.

Scope of Delivery:

  • 1.25" cover
  • Camera body
  • Quick guide
  • 0.5 m USB2.0 cable
  • 2 m USB2.0 cable
  • ST4 cable
  • M28.5-CS adapter
  • 1.25" extender
Products specifications
Power Supplywith USB
Pixel size5.86µm x 5.86µm
Bitrate12 Bit
Connections1.25"
Pixel2.3MPx
Weight60g
Sensor type1/1,2" CMOS IMX174LLJ
Sensor size11.3mm x 7.1mm
Horizonal Resolution1936Px
Vertical Resolution1216Px
QE77%

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