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ZWO ASI120MM-S Super Speed Monochrome CMOS camera


ZWO ASI120MM-S Super Speed Monochrome CMOS camera

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Product Description

ZWO ASI120MM-S USB 3.0 Camera

  • The ZWO ASI120MM-S camera has a USB 3.0 interface, for download speeds of 72fps at full resolution, that’s twice as fast as USB 2.0!

  • The ASI120-S can image deep sky objects as well as the Sun, the Moon & the planets. At this price point, that’s amazing.

  • The 1.2 megapixel CMOS sensor sports 3.75um pixels in a 1280 x 960 array.

  • Want to do some super wide angle night sky shots? The ZWO ASI120-S comes with a 150º lens. Thread it on and you have an All-Sky Camera.

  • Add an optional filter wheel for color imaging, or attach an autoguider via the built-in ST4 port.

  • It’s not plastic! The ZWO ASI120-S body is crafted of CNC machined aluminum. It looks great and will hold up to heavy use.

  • Everything you will need to control your ZWO camera is available and easily downloadable in one centralized location on the ZWO website. Click here for ZWO Software Downloads. 

The ZWO ASI120-S Super Speed Monochrome CMOS Camera is an incredibly flexible device; perfect for astro-photographers that want a superior all-in-one camera that doesn’t break the bank. This high speed model is based on the very popular ASI120MM camera, but it has been updated to a very fast USB 3.0 interface, which increases the download speed to double that of USB 2.0…quite an improvement! Here is a list of frames per second (fps) rates at various resolutions when connected to USB 3.0:

  • 72fps @ 1280 x 960 

  • 90 fps @ 1024 x 768 

  • 141 fps @ 640 x 480 

  • 212 fps @ 480 x 320 

  • 256 fps @ 320 x 240


The ZWO ASI120-S is so flexible! It can be used to produce great images of the Moon, the Sun (with proper filtration) & the planets as well as deep-sky objects such as galaxies, star clusters and nebulae. The engine behind this camera is the CMOS MT9M034 1/3" Sensor, which offers a top end resolution of 1280 x 960 pixels or 1.2 megapixels. This sensor has a peak QE of 75%, and has no fixed pattern noise (FPN). Long exposure times are supported up to 1,000 seconds, or 16.66 minutes. As we mentioned earlier, another impressive feature of the ZWO ASI120-S is its ability to deliver up to 256 frames per second (FPS) at reduced resolution settings and a substantial 72 FPS at full resolution. This wide range of capture resolution settings allows amateur astronomers to conduct planetary and deep sky imaging without having to switch cameras.




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