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Product Description
ASI294 is the first camera in the world that equipped with SONY latest sensor IMX294CJK.
Sony IMX294CJK CMOS Sensor
Diagonal 21.63 mm (Type 4/3) Approx. 10.71M-Effective Pixel Color CMOS Image Sensor, This is the official description on Sony website. In our effort, we remolded it to make it Diagonal 23.2 mm (Type 4/3) Approx. 11.71M-Effective Pixel.
High-Sensitivity Type 4/3 CMOS Image Sensor that Supports 4K for Astronomic Cameras and Industrial Applications
The “IMX294CJK” is the first in-house image sensor for astronomic cameras to adopt the Type 4/3 format, and realizes output of the number of pixels needed for 4K at 120 frame/s (in ADC 10-bit output mode, ASI294MC can run up to 25fps at 4k format base on USB3.0 bandwidth). In addition, use of a large-size pixel achieves SNR1s of 0.14 lx* which is very close to the value of ASI224(0.13 lx*).
Exceptional low-illumination performance
Exceptional low-illumination performance of SNR1s: 0.14 lx is realized by use of a large-size optical system and by expanding the area per pixel to 4.63 µm. This makes the IMX294CJK ideal sensor for astronomic camera market applications which requires low-illumination performance.
14bit ADC & 13 stops DR
ASI294 have 14bit ADC and it can achieve 13 stops dynamic range which is even better than ASI1600.
HCG Mode
HCG mode will be on when gain is higher than 120(12db), read noise will drop below 2e but same dynamic range(13 stops).
Full well Capacity
63700e full well, which is 3 times than ASI1600’s capacity. Even bright stars won’t saturate under long exposure.
This camera can achieve higher SNR(signal to noise ratio) with just one single exposure.
USB 3.0 Port & ST4 Port
USB 3.0 Port: Provide 5Gb bandwidth to make it possible for ASI294MC to run at 16 fps (14bit, normal mode) or 19 fps (12bit, high speed mode) at full resolution(11.7Mega).
ST4 PortCan be used connect with auto guide port of mount, for guiding.
Specifications
| Sensor | 4/3″ SONY IMX294 CMOS |
| Diagonal | 23.2mm |
| Resolution | 11.7Mega Pixels 4144X2822 |
| Pixel Size | 4.63µm |
| Bayer Pattern | RGGB |
| Exposure Range | 32µs-2000s |
| ROI | Supported |
| Non-volatile memory/On camera storage | Build-in total 192K byte user-accessible space(image size up to 480X320) |
| Interface | USB3.0/USB2.0 |
| ST4 Guider Port | Yes |
| Focus Distance to Sensor | 17.5mm |
| Shutter Type | Rolling Shutter |
| Protect window | AR coated window |
| Operating System Compatibility | Mac, Windows, Linux |
| Interface | USB3.0/USB2.0 |
| Bit rate | 12bit output(12bit ADC) |
| Adaptor | 2″ / 1.25″ / M42X0.75 |
| Dimension | φ62mm X 36mm |
| Weight | 120g or 4.2 ounces (without lens) |
| Working Temperature | -5°C—45°C |
| Storage Temperature | -20°C—60°C |
| Working Relative Humidity | 20%—80% |
| Storage Relative Humidity | 20%—95% |
Additional Articles, Videos, and Links
External Links
Astrophotography for Beginners Step 4: Shooting Deep-Sky Images
Taking deep sky pictures can be daunting, luckily there is an easy process to follow to allow you to get great shots! Here is the typical process for actually taking deep-sky images in the field.
Astrophotography for Beginners Step 3: Choosing Gear for Deep-Sky Imaging
Using a star tracker gains you experience with the fundamentals of deep-sky imaging. Shooting the Moon gains you experience focusing and framing through your telescope. Through your sessions you’ll...
Astrophotography for Beginners - Start Here: Getting into Astrophotography Step by Step
Shooting the night sky has never been more popular, nor easier. The choice of equipment has also never been better, or more affordable. However, as per the advice given by Dickinson and Dyer in the...
Astrophotography for Beginners Step 1: Using the Star Adventurer Tracker
By far the most economical and easiest way to capture beautiful images of the Milky Way and large deep-sky objects like the Andromeda Galaxy (shown here) is to use a star tracker. Here are steps an...
Astrophotography for Beginners Step 2: How to Shoot the Moon
Close-ups of the Moon are rewarding, and an easy way to learn to shoot through your telescope. While good results are possible with a phone camera clamped to an eyepiece (as shown below), this tuto...