ZWO ASI 120MM Mini USB 2.0 Mono Camera

£151.00✓ 2 year warranty

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About this product

Model: zwo_asi120mm_mini
Part Number: ASI120MINI

Compatible with the new ZWO ASiair

The ASI120MM Mini is very capable guide camera that can handle most setups with ease, including most OAG configurations.

Peak QE of 75% (better than the ICX618) and no Fixed-Patter-Noise!

Supports 35FPS at it's maximum 1280X960 resolution and long time exposures up to 1000s!

Compared to ICX618 based cameras, like the Imaging Source DMK21AU618, the ZWO ASI120MM offers faster frame-rate, slightly higher sensitivity in visual light and more pixels for lunar imaging.

The sensor is protected by an anti-reflection clear optical window. If imaging the Moon or planets we recommend fitting a 1.25" UV/IR rejection filter.

The ASI120MM’s mono sensor can also be used with specialised UV or methane band filters, as well as infrared passing filters for lunar and planetary imaging (i.e. Baader IR-Pass, Red and Orange visual filters). IR-passing filters cut short wavelengths which prevents atmospheric dispersion softening the image.

Note: The ASI120MM has a Micron sensor which might produce Newton Rings when used with solar telescopes. (Cameras fitted with Sony sensors are better in these circumstances).

FEATURES

1.2 Megapixels, 1280 x 960 pixel 1/3" AR0130CS CMOS Mono Sensor
3.75μm Square Pixels
12bit ADC
Peak QE ~75%
4.0e Read Noise, 13000e Full Well
ST4 Port
USB2.0 Type C
Weighs only 60g!

Reviews

ZWO ASI120 cameras have have been reviewed at world most popular astronomy magazines. Please click links below to read PDF documents:

All ZWO cameras include a 2-year warranty.

Camera Field of View Simulator

ASI120MM Mini Astrophotography Performance

The ASI120 mini camera offers very good performance for planetary imaging and guiding. Low read noise, high dynamic range, QE peak 75%, AR protective window and much more.

ASI120MM Mini QE Curve

Absolute QE Curve, we estimate the Peak Value is over 75%.

ASI120MM Mini vs ASI120MM-S

Compared with the ASI120MM-S camera, the ASI120mini is smaller, lighter weight, and it can reach focus at the same position as an eyepiece.

USB2.0 & ST4 Ports

USB 2.0 Port: The mini camera has one USB2.0 type C port. Type C is very popular in mobile phones and it is reversible so it doesn't matter which way around you insert the plug.

ST4 Port: To connect directly to a mounts auto guide port.

Connection Drawing

M28.5-CS adapter
CS-C adapter
1.25″ extender
1.25″ filter

Mechanical Drawing

What's in the box?

What's in the box

ASI120MM Mini Camera
1.25" Cap
0.5m USB2.0 Cable
2m USB2.0 Cable
2m ST-4 Cable
M28.5-CS Adapter
1.25" Extender
Quick Guide

Specifications

Sensor	1/3″ CMOS AR0130CS(Color)
Resolution	1.2Mega Pixels 1280×960
Pixel Size	3.75µm
Exposure Range	64µs-1000s
ROI	Supported
ST4 Guider Port	Yes
Focus Distance to Sensor	8.5mm
Shutter Type	Rolling Shutter
Protect window	AR coated window
Operating System Compatibility	Mac, Windows, Linux
Interface	USB2.0
Bit rate	12bit output(12bit ADC)
Adaptor	1.25″ / M28.5X0.6
Dimension	φ36mm X 61mm
Weight	60g or 3.1 ounces (without lens)
Working Temperature	-5°C—45°C
Storage Temperature	-20°C—60°C
Working Relative Humidity	20%—80%
Storage Relative Humidity	20%—95%