QHY5III485 Colour Camera
QHY
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Overview
The QHY5III485C is a high-performance 4K color camera equipped with Sony's IMX485, back-illuminated CMOS sensor, offering 8.4 megapixels at a resolution of 3864 x 2180 pixels. With its 16:9 aspect ratio, this camera is ideal for video output, making it perfect for astronomical video recording and live streaming. It also features a 128MB DDR built-in image buffer to manage high-resolution data and enhance performance. Additionally, the camera includes a 2.5mm fisheye lens, transforming it into an all-sky camera with a 180-degree field of view.
4K resolution
The QHY5III485C uses Sony's new IMX485, back-illuminated, 8.4 megapixel color CMOS sensor with an array of 3864 x 2180 pixels at 2.9um. With USB 3.0 interface, the full frame rate of 44 FPS at 8-bits or 18.5 FPS at 16-bits. Smaller regions of interest will yield even faster frame rates.
16:9 resolution - More convenient video output
The resolution of QHY5III485C is 16:9, which is equivalent to the mainstream video output ratio. With the native high resolution, 485C can play a special role in recording astronomical video and astronomical science live broadcast.
DDR built-in image buffer
QHY5III485C is specially equipped with 128MB DDR built-in image buffer. In non-video output mode, DDR built-in buffer can effectively relieve the transmission pressure brought by high-resolution large data volume and reduce information loss.
Multiple Functions
The QHY5III485C standard package includes a 2.5mm Fisheye lens that converts the planetary camera into a high-resolution, 8.4 Megapixel All Sky camera with 180-degree field of view.
QHY cameras are arriving regularly. If the camera you want is not in stock, please let us know (using the Contact Us form) as we can usually get a specific camera within 2 to 4 weeks.

Specifications
Attribute | Details |
---|---|
Model | QHY5III485C |
Image Sensor | Sony IMX485 |
Mono/Color | Color Only |
FSI/BSI | BSI |
Sensor Size | 1/1.2inch |
Pixel Size | 2.9μm*2.9μm |
Effective Pixel Area | 3864*2180 |
Effective Pixels | 8.4 Megapixels |
Full Well Capacity | 12ke- |
Read Noise | 0.77e- to 2.4e- |
A/D | 12bit (output as 16bit and 8bit) |
Built-in Image Buffer | 128MB DDR II Memory |
Full Frame Rates | 44FPS@8bit |
ROI Frame Rates | 78.5FPS@1200lines, 87FPS@1080lines, 91.5FPS@1024lines, 97.5FPS@960lines, 121FPS@768lines, 190FPS@480lines |
Exposure Time Range | 11μs-900sec |
Shutter Type | Electronic Rolling Shutter |
Computer Interface | USB3.0 Type-B |
Guide Port | Custom ST-4 |
Telescope Interface | 1.25-inch, with CS and C-Mount |
Optical Window | IR-Cut Filter |
Extra Filter | - |
Back Focal Length | 12mm |
Weight | 90g |
Let customers speak for us
from 153 reviewsBuilding my first astrophotography rig around a Williams Optics RedCat51 and the iOpteron Skyhunter with iPolar.
Great support from Astronz, answering my questions about assembly and set up. Some reviews of the Skyhunter point to problems with the RA clutch sticking, but I found the "use weight bar for leverage" solution worked fine.
Set up quick and easy; the instructions do assume a bit of technical knowledge but I'm finding CoPilot makes a great coach, even accepting screenshots if you are unclear.
iPolar took a little getting used to, but now down to a few minutes to get a very good alignment, after lining up on a compass baring. It does require a clear view of the Southern celestial pole, and I sometimes have to jockey the gain a bit if I'm setting up early evening and the light is changing.
Comparing to polar-alignment via platesolving in APT iPolar is faster, simpler, and easier, especially when setting the mount up in roughly the same place.
The mount plays very nicely with APT, so after using iPolar I'll platesolve, go to target, centre and sync. Very little drift even without a guide scope. (As an aside, CoPIlot makes a great coach, even able to interpret screen grabs and offer practical advice)
Not requiring power is another plus, keeping the cabling a bit easier. Powering/connecting the iOpteron, mount and a ZWO EAF all through a single USB-C hub from the laptop works fine.
Once I'd got past total newbie learning (with CoPilot) my first attempt landed my ~180 x 30 second exposures of Eta Carinae and exactly the kind of image I wanted to get.
Added an extra weight later on to balance the scope - CoPilot again very helpful on torque calculations and carrying capacity if you are a newbie like me.
Total rig weight is about 3.2KG excluding counterweights which works fine.
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