Brand: ZWO

ZWO ASI220MM Mini Mono Guiding Camera (ASI220MINI)


Brand: ZWO

ZWO ASI220MM Mini Mono Guiding Camera (ASI220MINI)


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.
$336.00 CAD

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$336.00 CAD

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Product Description

AS1220MM Mini camera integrates 1/1.8" SC2210 sensor (7.68mm x 4.32 mm). It is a mono guide camera with excellent near infrared sensitivity. This camera has 4um * 4 µm pixels with an array of 1920x1080 and a full well capacity of 8780e. The protective window is AR coated.

Feature Highlights:

  • Sensor: SC2210
  • Type: 1/1.8 (7.68*4.32mm)
  • Resolution: 1920*1080
  • ADC: 12-bit
  • Read Noise: 0.6e
  • FPS: 14
  • QE: 92%
  • USB: 2.0


The ASI220MM Mini can be regarded as an upgraded version of the AS1290MM Mini. It has a bigger sensor format and larger pixel size with better NIR sensitivity.

Model ASI290MM Mini ASI220MM Mini
Sensor Type1 / 2.8 IMX290 Type 1/1.8 SC2210_BW
Diagonal 6.5mm 8.81mm
Resolution 2.1MP (1936*1096) 2.07MP (1920*1080)
Pixel size 2.9μm 4.0μm
Sensor size 5.6mm*3.2mm 7.68mm*4.32mm
Fast fps 20.4fps 14.0fps
Readout noise 1.0~3.2e 0.6-3.2e
QE peak 80% 92%
Full well capacity 14.6ke 8.78ke
ADC 12bit 12bit
Protective window Φ21-1.1 AR Φ21-1.1 AR
Back focus distance 8.5mm/12.5mm 8.5mm/12.5mm

Other Feature Details

USB2.0 Port & ST4 Port

  • ST4 Port: The camera can be connected directly to the auto-guider port of the mount.
  • USB2.0 Port: The camera features a USB-C 2.0 port that provides you with an easier connection method than the ordinary USB port.

FPS Limits

Resolution RAW16 RAW8
1920*1080 7 fps 14 fps
1280*720 10.4 fps 20.8 fps
640*480 15.3 fps 30.5 fps
320*240 28.7 fps 57.4 fps

Connection Options

  • In Connection with an OAG
    • The Mini camera series are all well suited for OAG use. It can be pushed inwards or pulled outwards to allow you to ensure that the distance from the prism to the main camera sensor is exactly equal to the distance from the prism to the guide camera sensor.
  • In Connection with a CS Adapter and CS Lens
  • In Connection with a 1.25" Extender

What's in the Box

  • Camera Body
  • 1.25" Cover
  • 1.25" Extender
  • M28.5-C5 Adapter
  • ST4 Cable
  • USB 2.0 Type-C Cable (0.5m)
  • USB 2.0 Type-C Cable (2.0m)
  • Quick Guide


Model ASI220MM Mini
Sensor Type 1/1.8 SC2210_BW
Diagonal 8.81mm
Resolution 2.07MP 1920*1080
Pixel size 4μm
Sensor size 7.68mm*4.32mm
Fast fps 14fps
Shutter Rolling Shutter
Exp 32μs~10s
Readout noise 0.6-3.2e
QE peak 92%
Full well capacity 8.78ke
ADC 12bit
USB port USB 2.0 Type-C
Adapter 1.25"/M28.5*0.6
Protective window Φ21-1.1 AR
Weight 60g
Back focus distance 8.5mm/12.5mm
Usage temperature -5°C ~ 50°C
Usage humidity 0-80%
Operation system WIN7/8/10 32&64 Linux, Mac

Customer Reviews

Based on 1 review
Sharp and good resolution

Few extra dollar worth the better resolution which bodes well for future upgrade to off-axis guiding.

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