ZWO - ASI585MC USB 3.0 Color Camera

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ZWO-ASI585MC
$399.00
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The ZWO ASI585MC is a planetary camera that uses the Sony IMX585 CMOS sensor with One Shot Color (OSC) technology. With a resolution of 8.29 megapixels and a large sensor format of 1/1.2", it is ideal for solar and lunar imaging. The ASI585MC has the same pixel size as the ASI462MC, but with four times the resolution.

ZWO - ASI585MC USB 3.0 Color Camera

Features

  • The ZWO ASI585MC is a One Shot Color (OSC) planetary camera from ZWO that uses the Sony IMX585 CMOS sensor.
  • In an OSC sensor, each pixel on the sensor is covered by a filter that allows only one primary color (red, green, or blue) to pass through it, creating a mosaic of color information across the sensor.
  • The main benefits of OSC designs are cost-effectiveness and simplicity, as it requires only a single exposure to capture a full-color image.
  • The ASI585MC has a small sized sensor format of 1/1.2", with a total of 8.29 megapixels, and is ideal for solar and lunar imaging, all-sky camera, and live camera to observe and monitor weather conditions.
  • The ASI585MC camera features advanced pixel technology, including a large full well depth, and a back-illuminated sensor technology that allows for greater light-gathering capability.
  • The camera is equipped with a USB 3.0 interface and a built-in 256MB DDR3 cache to provide reliable and secure data transmission, particularly beneficial for long exposure imaging with frame dropping risk.
  • Overall, the combination of back-illuminated sensor technology and advanced pixel technology in the ASI585MC camera makes it an ideal choice for astrophotographers who need to capture high-quality images with a low level of noise and a large dynamic range.

One Shot Color Sony IMX585 Sensor

The ZWO ASI585MC is a new One Shot Color (OSC) planetary camera from ZWO that uses the Sony IMX585 CMOS sensor. One Shot Color (OSC) refers to a type of image sensor design used in digital cameras, including the IMX585 sensor. In an OSC sensor, each pixel on the sensor is covered by a filter that allows only one primary color (red, green, or blue) to pass through it. The filters are arranged in a specific pattern known as a Bayer pattern, which creates a mosaic of color information across the sensor.

The main benefits of OSC designs are cost-effectiveness and simplicity, as it requires only a single exposure to capture a full-color image. For astrophotography in particular, CMOS OSC cameras such as the ASI585MC have several benefits including their convenience and ease of use, thus more tailored for beginners and less demanding of accessories. Unlike monochrome sensors, which require multiple exposures with different color filters to produce a color image, OSC sensors capture a full-color image in a single shot, making the imaging process quicker and simpler.

8.29mp Resolution at 1/1.2" Sensor Size

The ZWO ASI585MC and ASI462MC have the same pixel size of 2.9um, but the former has four times the resolution of the latter, with a total of 8.29 megapixels. The ASI585MC has a mid sized sensor format of 1/1.2", with a sensor size of 11.13x6.26mm and a diagonal length of 12.84mm, making it ideal for solar and lunar imaging. Additionally, it can be used as an all-sky camera or live camera to observe and monitor weather conditions such as cloud cover, rain, and meteors.

Overall, the 1/1.2" sensor size is a popular choice for astrophotography due to the benefits it offers in terms of field of view, resolution, low light performance, and reduced noise!

Starvis 2 Technology and Better NIR Sensitivity

ASI585MC adopts the latest Sony IMX585 sensor with Starvis 2 technology. It is considered to be an improvement over the ASI485MC due to its lack of amp glow, lower dark current noise, and significantly larger full well capacity. Additionally, it has increased sensitivity to red, green, and near-infrared wavelengths compared to the ASI485MC, particularly in the >850nm wavelength or near infrared (NIR) range, where its light sensitivity is 1.5 times higher than that of the ASI485MC.

High-Speed Data Transmission and Improved Image Quality for Astrophotography

ZWO has equipped the ASI585MC camera with a USB 3.0 interface and a built-in 256MB DDR3 cache to provide reliable and secure data transmission. This is particularly beneficial for long exposure imaging, as it helps to prevent the camera from dropping frames and reduces the impact of the "glow" effect that can occur when the reading speed is too slow. By avoiding frame dropping, the ASI585MC camera can capture more complete and accurate images, which is important for astrophotography where every detail counts. The reduction of the glow effect also helps to produce more precise and high-quality images, particularly in low-light conditions.

The USB 3.0 interface is a high-speed connection that enables the camera to transfer data quickly and efficiently to a computer or other device. The built-in DDR3 cache acts as a buffer, storing image data before it is transmitted to the computer. This helps to ensure that the data is transferred smoothly and without interruption, even during extended exposure times.

Overall, the combination of USB 3.0 interface and the built-in DDR3 cache in the ASI585MC camera provides astrophotographers with a reliable and effective tool for capturing stunning images of the night sky without the overreaching risk of losing their exposure data due to poor connection and transmission.

Back Illuminated Design and Full Well Capacity

The ASI585MC camera is designed to deliver high-quality images with minimal noise and a wide dynamic range with much credit due to the back-illuminated sensor technology that allows for greater light-gathering capability due to no obstruction over the photosensitive layer as is the case in front illuminated, and improved sensitivity, which helps to reduce the amount of noise in the image.

In addition to the back-illuminated sensor, the ASI585MC camera also features advanced pixel technology. This includes a large full well depth, which refers to the amount of charge that each pixel can hold before becoming saturated. This allows the camera to capture a wider range of light intensities without losing detail or introducing noise to the image.

Overall, the combination of back-illuminated sensor technology and advanced pixel technology in the ASI585MC camera makes it an ideal choice for astrophotographers who need to capture high-quality images with a low level of noise and a large dynamic range.

Improved Image Quality with HCG Mode

The ASI585MC camera comes equipped with a built-in High Conversion Gain (HCG) mode, which reduces readout noise at high gain levels and maintains a high dynamic range similar to that of low gain. The HCG mode is activated automatically when the gain is set to 252, and this allows the camera to achieve a dynamic range of almost 12 bits. The readout noise is also minimized in this mode, with a value as low as 1.5e.

91% QE Peak

The ZWO ASI585MC camera boasts a remarkable Quantum Efficiency (QE) peak of 91%, as confirmed through various measurements and tests. QE is a valuation of how efficiently a camera sensor can convert photons of light into electrical signals, and a higher QE value indicates better sensitivity and ability to capture light.

The ASI585MC camera's high QE peak makes it particularly effective for astrophotography, as it allows for more efficient detection of light from celestial objects. This, coupled with the camera's low readout noise and large full well depth, ensures that the images captured by the camera are of exceptional quality and clarity, even when observing lower magnitude or low surface brightness objects.

Overall, the ASI585MC camera's high QE peak is a significant factor in its ability to capture detailed and precise images of the night sky, making it a valuable tool for amateur and professional astrophotographers alike.

More Information
Brand ZWO
Free Shipping Free Shipping Available
ADC 12 bit
Includes Autoguide Port No
Backfocus Distance 6.5mm/17.5mm
Frames Per Second (FPS) 46.9fps maximum
Full Well Capacity 40Ke
Image Stabilization No
Operating Temperature -5°C~50°C
Storage Temperature -10°C~60°C
Pixel Size 2.9um
Quantum Efficiency (QE) 91% peak
Readout Noise 0.8e
Resolution 8.29mp - 3840x2160
Sensor Size 1/1.2"
USB Port USB 3.0
In The Box
  • ZWO ASI585MC Camera Body
  • 1.25" cover
  • ST4 cable
  • 2" cover
  • USB 3.0 cable (2m)
  • 1.25" nosepiece
  • Quick guide
  • ZWO ASI585MC Camera Body
  • 1.25" cover
  • ST4 cable
  • 2" cover
  • USB 3.0 cable (2m)
  • 1.25" nosepiece
  • Quick guide
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