Brand: ZWO

ZWO ASI174Mini Monochrome Astronomy Camera (ASI174MINI)


Brand: ZWO

ZWO ASI174Mini Monochrome Astronomy Camera (ASI174MINI)


This is a great guiding camera in a small, lightweight package. This will integrate seamlessly with the ASIAir, and will improve the performance of your astrophotography mount.
$539.00 CAD

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$539.00 CAD

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Product Description

ASI174MM Mini camera integrates Sony IMX174LLJ / IMX174LQJ 1/1.2″ sensor (11.3 mm x 7.1 mm). It is the first model in the “mini”-series of cameras from ZWO. This camera has 1936 x 1216 pixels with a pixel size of 5.86 μm x 5.86 μm. It camera provides 12-bit ADC and its QE peak is 77%.

ASI174MM mini camera offers you very good performance for planetary imaging as well as for guiding. Low read noise, high dynamic range, AR protective window and much more are just some of the key characteristics that set it apart from the competition.

174Mini vs. 174MM

Compared with the ASI174MM camera, the new 174-Mini has a sleeker design, less weight, and it can reach focus at the same position as an eyepiece.

USB2.0Port & ST4 Port

USB 2.0 Port: Mini camera has one USB2.0 type-C port. Type-C port is very popular in mobile phones, as it doesn’t matter which way you connect it (unlike for example type-A or type-B)

ST4 Port: The camera can be connected directly to the auto-guider port of the mount.

Connecting Diagram (refer to photo)

  1. M28.5-CS adapter
  2. CS-C adapter
  3. 1.25″ extender
  4. 1.25″ filter


Sensor Sony 1/1.2″ CMOS IMX174LLJ/IMX174LQJ
Resolution 2.3 MP (1936 x 1216)
Pixel Size 5.86 µm
Minimum Exposure 32 µs
Maximum Exposure 300 s
ROI Supported
Interface USB 2.0
Bit Rate 12bit output (12bit ADC)
Adapter 1.25" M28.5x0.6
Dimensions 36 mm x 61 mm
Weight 140 g (4.9 oz.)
Working Temperatur -5ºC - 45ºC
Storage Temperatur -20ºC - 60ºC
Working Relative Humidity 20% - 80%
Storage Relative Humidity 20% - 95%

Customer Reviews

Based on 4 reviews
174 mini

This is a great little camera for guiding. Reasonable gain to noise ratio when having to pump it up on a long focal length OAG setup. First one hasn't let me down since I purchased it 5 yrs ago, bought this one for another setup.


I am pleased with the purchase of ASI174Mm mini camera. Shipping was quick. All-Star Telescopes is my favorite astrophotography equipment shop.

ZWO ASI174 mini

I think this is a great camera. Works well with my celestron OAG on my 8" Edge HD, due to its larger sensor size.

I haven't had chance to use the camera

I haven't had chance to use the camera 'in anger' yet but all seems well with it. The larger FOV and camera sensitivity will make my OAG set-up much better! Service by George the owner is fantastic. Being relatively local to me, we arranged to meet so it saved on shipping costs and a trip to the store. Thanks! Gary. (aka astrophoto_canada@instagram)

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