ZWO ASI183MM USB3.0 Monochrome Astronomy Imaging Camera

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The ZWO ASI183MM is the most sensitive ZWO camera currently available. What a great piece of gear for planetary deep space imaging!
Our Product #: ASI183MM
ZWO Product #: ZWO ASI183MM

Product Description

The ZWO ASI183MM is a special camera at a very affordable price.  It is the most sensitive camera that ZWO produces (as of 2020) and is extremely fast.  The back-illuminated Sony IMX183CLK-J sensor is capable of producing planetary, solar, Live Viewing/EAA and deep space. 

The 20.48 megapixel CMOS sensor is capable of recording 19 frames per second in full resolution.  You can get all the way to 308.17 frames per second at 320x240 which is excellent for planetary imaging.

High-Speed and High-Picture-Quality Rolling Shutter-Type Back-Illuminated CMOS Image Sensors

The pixels of the 1" diagonal Sony chip are quite small at 2.4 μm square, but they have an astounding well depth of 15,000e.  The 12 stop dynamic range is further assisted by firmware to help the back-lit chip minimize amplier glow for maximum imaging performance. 

High QE

Sony’s back-illuminated Exmor R technology, giving it excellent Deep Sky performance. ASI183 QE peak reaches a remarkable 84%. In Ha channel, QE is still a over 60%.

Having high QE means more of the light that enters your telescope and reaches the sensor is actually used. With 84% peak Q.E. and no less than ~50% within the visible spectrum, the ASI183 will utilize a high percentage of the light that reaches it, improving your signal quality.

The ZWO ASI83MM conectivity.

USB 3.0 Port: Provides 5Gb bandwidth to make it possible for ASI294MC to run at 16fps (14bit, normal mode) or 19fps (12bit, high speed mode) at full resolution (11.7Mega).
ST4 Port: Can be used to connect to the auto-guiding port of your mount and become a great guider.

ZWO has all their information available for download on their website in a perfectly laid out section. Check it out here for software and drivers and here for manuals and guides.

One of the coolest gadgets, and a neccessity according to a majority of ZWO users, is the ASIair Plus.  It is an all-in-one wireless camera solution.  The ASIair Plus gives you control of focus, image taking, plate solving, and computerized mount control with the included SkySafari bridge all controlled by your smartdevice or tablet.  It really is pretty awesome.

Camera technical details

Sensor 1" CMOS
ADC 12 bit
Back Focus  6.5 mm
Color or Mono  Monochrome
Cooled or Uncooled  Uncooled
Dynamic Range 12 stops
Full Resolution Frame Rate        19fps
Full Well 15ke
Mega Pixels 20.2 mp
Peak QE 84%
Pixel Array 5496 x 3672
Pixel Size 2.4microns
Read Noise 3e
Sensor Diagonal  15.9 mm
Sensor Type CMOS
Sensor Sony IMX183CLK-J/CQJ-J 
Guide Port ST4
Shutter Rolling
Exposure Range 32us - 2000s
Weight 4.2 ounces

Max FPS at full resolution:
10Bit ADC
5496×3672 19fps
3840×2160 41.04fps
1920×1080 80.10fps
1280×720 117.30fps
640×480 169.92fps
320×240 308.17fps
12bit ADC
5496×3672 19fps
3840×2160 36.12fps
1920×1080 70.48fps
1280×720 103.23fps
640×480 149.53fps
320×240 271.19fps
more resolutions are in software, support customize resolution.

Tech Details

Normal Num Pixel High 3672
Normal Num Pixel Wide 5496
Pixel Array 20.2 megapixels
Pixel Size 2.3 microns
Weight 4.5 ounces
Warranty 2 years


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