ZWO ASI533MC Pro USB3.0 Cooled Color Astronomy Camera

ITEM #
ZWO-ASI533MC-P
  • This Cooled Color CMOS Astronomy Camera uses a Sony IMX533 Sensor.
  • The sensor is a 1-inch square (11.31 x 11.31 mm) with a Resolution of 3008 x 3008, 14-bit. and Pixel Size is 3.76 microns.
  • Low Read noise of 1.0e.
  • Cooling to 35-degrees C below ambient temperature.
  • It has a DDR3 Buffer of 256 MB, and a USB 3.0 connection.
  • It can capture as many as 30 frames per second, with Full Well at 50000e and a QE of 80%.

 

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  • Regular price $899.00

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ZWO ASI533MC Pro USB3.0 Cooled Color Astronomy Camera

The ASI533MC PRO features Sony's latest back-illuminated CMOS IMX533 sensor. Its 1-inch, square, 9.07 MP sensor is ideal for astrophotography and can be considered an iteration of the venerable ASI183MC Pro.

This latest generation camera retains key features of the ASI183 series--such as an attractive QE figure and high frame rate--but now includes zero amp glow, extreme low readout noise (as low as 1.0e), 3.76 microns pixel size and an improved 2 stage TEC cooler.

The Sony IMX533 Sensor

The IMX533 is a 1-inch, 9 MP CMOS image sensor in a square format with a 3.76 um pixel size, capable of producing frames at 20 frames/sec in 14-bit mode. Its readout noise is as low as 1.0e which makes it comparable to SCMOS or EMCCD sensors and highly suitable for high-definition, low-noise imaging.

Back-Illuminated Sensor Design

Sony's back-illuminated CMOS image sensor improves sensitivity and noise reduction - the key factors to enhancing image quality, while radically realigning their fundamental pixel structure from front-illumination to back-illumination. It has retained the advantages of CMOS image sensors such as low power consumption and high-speed operation.

With a conventional front-illumination structure, the metal wiring and transistors on the surface of the silicon substrate that form the sensor's light-sensitive area (photo-diode) impede photon gathering carried out by the on-chip lens. A back-illuminated structure minimizes the degradation of sensitivity to optical angle response, while also increasing the amount of light that enters each pixel due to the lack of obstacles such as metal wiring and transistors that have been moved to the reverse of the silicon substrate.

Sony has newly developed a unique photo-diode structure and on-chip lens optimized for back-illuminated structures, that achieve higher sensitivity and a lower random noise without light by reducing noise, dark current, and defect pixels compared to the conventional front-illuminated structure.

ZWO ASI533MC - SENSOR

Camera Performance

Low readout noise, high dynamic range.

ZWO ASI533MC - TABLE

Quantum Efficiency Curve

ZWO estimates the QE peak value is more than 80%. - (Graph from initial testing.)

ZWO ASI533 Wavelength Sensitivity

Zero Amp Glow

Traditional CMOS sensors produce a weak infrared light source during operation quite often seen in the corner of uncalibrated images as the tell tale signs of amp glow. As the ASI533MC PRO uses zero amp glow circuitry, you won’t have to worry about amp glow even when using high gain, long exposure imaging.

Camera with amp glow – exposure 300-second exposure:

Camera Exposure with Amp Glow

ASI553 frame with no amp glow – Exposure 300 seconds:

ZWO ASI533 No Amp Glow

Dark Current

ZWO-ASI533MC-Pro-DARK CURRENT


DDR Memory Buffer

The ASI533MC PRO is equipped with a USB 3.0 interface, and even in 14-bit mode, can reach 20 frames per second. The 256 MB DDR3 memory ensures stable downloading of frames with increased USB speeds.

ZWO ASI533 IMX533 Sensor

ASI533MC Pro vs. ASI183MC Pro Comparison

ZWO ASI533 Spec Chart

Mechanical Diagram

 ZWO ASI533 Mechanical Drawing

ZWO-AC-DC12V5A = American Standard.


SPECIFICATIONS

ADC14 bit
Back focus6.5mm
Color or MonoColor
CoolingCooled
Delta T35°C Below Ambient
Dynamic Range13.7 Stops
Free ShippingYes
Full Rez Frame Rate20fps
Full Well50ke
ManufacturerZWO
Mega Pixels9 mp
Peak QE80%
Pixel Array3008 x 3008
Pixel Size3.76 microns
Power Consumption12V 5A
Read Noise3.8e
Sensor Diagonal16mm
Sensor TypeCCD
SensorSony IMX 533

INCLUDED ITEMS

ZWO ASI533 Included Items

 

Customer Reviews

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01/14/2020
Anonymous
United States United States

Excellent camera at easy to take price

I recently bought a ZWO ASI 533 Pro color cooled camera. Love it! The package comes with all the cables and adapters you need to get started - I was up and running in 20 minutes after getting the camera at 7p.m.on a Friday evening! Im a beginner at processing, so that learning curve is a lot steeper than getting the 533 up and running. And the quality from my first few images are amazing - it seems like a perfect match for a 400mm refractor. Online support is OK too. Go for it!