ASI294MC Pro: High-Performance Astrophotography Camera with Advanced Sony Sensor

The ASI294MC Pro stands out as a flagship camera in the field of astrophotography, especially notable for being the first to feature the latest Sony IMX294CJK sensor. Here are its key features and specifications:

Power Supply Requirement: For operational functionality, the ASI294MC Pro necessitates connection to an external 11-14v power supply, even when its cooler is not in use.
Pioneering Sony Sensor: This model is the world’s first camera equipped with the Sony IMX294CJK sensor, contributing to its status as a top-seller from ZWO. The sensor ensures enhanced sensitivity and reduced noise, thanks to its back-illuminated design.
Optimal Sensor Format and Size: The camera boasts a 4/3” format sensor with a pixel size of 4.63 um, making it ideal for a variety of telescopes.
Dynamic Range and Resolution: It includes a 14-bit ADC, offering a high dynamic range of 13 stops. The full well capacity is an impressive 7ke, effectively minimizing issues like saturated stars.
Quantum Efficiency and Sensor Design: With over 75% peak QE value, the camera excels in sensitivity. ZWO has modified the original 10.71M-effective pixel sensor to an 11.71M-effective pixel version, expanding the diagonal to 23.2mm.
4K Output and Low-Illumination Performance: Capable of true 4K output at 120 fps (in 10-bit ADC mode), the ASI294MC Pro is ideal for applications requiring low-illumination performance, with an SNR1s of 0.14 lx.
DDR Memory Buffer: Includes a 256MB DDR3 memory buffer to enhance data transfer reliability and reduce amp-glow, especially beneficial when used with USB 2.0 ports.
HCG Mode for Low Noise: Features an HCG mode that reduces read noise at higher gains without compromising dynamic range. In this mode, read noise drops below 2e- while maintaining a 13-stop dynamic range.
Full Well Capacity and SNR: Offers an excellent full well capacity of 63700e-, significantly higher than its predecessor, the ASI1600. This capacity allows for higher SNR with single exposures.
Reliable Mechanics and USB Connectivity: Shares the same durable mechanics as the ASI1600 Pro, ensuring stable performance even in high humidity. Includes a USB 3.0 port for high-speed data transfer and a USB 2.0 hub for accessory connections.
Advanced Cooling System: Features a two-stage TEC cooling system, capable of lowering the sensor temperature by 35-40 degrees Celsius below ambient, significantly reducing noise during extended exposures.
External Power Supply for Cooling: Note that the cooling function requires an external 11-15v power supply, with a recommendation for a 12V@3A DC adapter or a compatible lithium battery.

The ASI294MC Pro is not only a testament to ZWO's commitment to innovation but also a clear choice for astrophotographers seeking a high-quality, small-format OSC camera.

Specifications

Camera technical details

Sensor: 4/3″ SONY IMX294 CMOS
Diagonal: 23.2mm
Resolution: 11.7Mega Pixels 4144X2822
Pixel Size: 4.63µm
Bayer Pattern: RGGB
Shutter:Rolling shutter
Exposure Range: 32µs-2000s
ROI: Supported
Read Noise: 1.2-7.3e
QE peak: TBD
Full well: 63.7ke
ADC:14bit
DDRIII Buffer: 256MB
Non-volatile memory/On camera storage: Build-in total 192K byte user-accessible space(image size up to 480X320)
Interface: USB3.0/USB2.0
Adaptor: M42X0.75
Protect window: AR
Dimensions: 78mm Diameter
Weight: 410g
Back Focus Distance: 6.5mm
Cooling: Regulated Two Stage TEC
Delta T: 35°C-40°C below ambient
Camera Power consumption: 650mA at 5V
Cooler Power consumption: 12V at 3A Max
Working Temperature: -5°C—45°C
Storage Temperature: -20°C—60°C
Working Relative Humidity: 20%—80%
Storage Relative Humidity: 20%—95%
Max FPS at full resolution:
10Bit ADC
4144×2822 19fps
14bit ADC
4144×2822 16fps

Resolution USB 3.0 Raw16
4144×2822 16.3fps
4096×2160 21.1fps
3840×2160 21.1fps
1920×1080 40.9fps
1280×720 59.7fps
640×480 85.9fps
320×240 153.4fps

Resolution USB 3.0 Raw8& HighSpeed
4144×2822 19.0fps
4096×2160 24.7fps
3840×2160 24.7fps
1920×1080 47.9fps
1280×720 69.8fps
640×480 100.5fps
320×240 179.3fps

more resolutions are in software, support customize resolution.

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ZWO ASI294MC Pro USB3.0 Cooled Color Astronomy Camera 256MB DDR3 Buffer

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