QHY5III715 Colour Camera
QHY
Couldn't load pickup availability
Share
Overview
The QHY5III715C is an ultra-high resolution, back-illuminated color camera with extremely low read noise. The sensor has a 1/2.8-inch optical format, similar to the QHY5III462C. However, the QHY5III715C has four times as many pixels as the QHY5III462C, offering 4K resolution with 1.45μm pixels.
This makes the new QHY5III715C ideal for smaller, short focal length refractors. The exceptionally small pixels provide a field of view (FOV) of less than 1 arcsecond at focal lengths of 12 inches (300mm) or longer. The QHY5III715C inherits all of the updates and improvements of the QHY5III Series Ver. 2 line of cameras.
Extended Near-Infrared Sensitivity
The latest sensors feature deeper pixel wells, enhancing sensitivity to red and near-infrared (NIR) light. These sensors achieve peak NIR sensitivity nearly equal to visible light.
512MB DDR3 Buffer
The QHY5III (Ver. 2) cameras include a 512MB DDR3 buffer, doubling the memory of many deep-sky astrophotography cameras with 256MB. This reduces computer transmission load, ideal for high-speed planetary imaging.
New Front-End Design
The redesigned QHY5III (Ver. 2) cameras offer improved compatibility with a slim 8mm BFL, making them easy to integrate with off-axis guiders (OAGs). The 1.25-inch threaded adapter supports filters and interchangeable top glass allows seamless use of CS or C-mount lenses. A 1.25-inch filter wheel adapter connects monochrome cameras to QHYCFW3-S filter wheels.
USB 3.2 Gen 1 Type-C Interface
Upgraded to USB 3.2 Gen 1 Type-C, these cameras offer better durability and flexibility than the previous USB 3.0 Type-B. Use high-quality cables to avoid performance issues.
Universal Guiding Interface
The cameras now feature an ST-4 compatible guiding interface, replacing proprietary designs, allowing easy replacement of guiding cables at low cost.
Indicator LED
An indicator LED at the back signals camera status using different colors for diagnostics. It remains off during normal operation to prevent light contamination.

Specifications
Attribute | Details |
---|---|
Model | QHY5III715C |
Image Sensor | Sony IMX715 |
Mono/Color | Color Only |
FSI/BSI | BSI |
Sensor Size | 5.6mm x 3.2mm |
Pixel Size | 1.45μm x 1.45μm |
Effective Pixel Area | 3840 x 2192 |
Effective Pixels | 8.4 Megapixels |
Full Well Capacity | 5.7ke- |
Read Noise | 0.87e- to 2.17e- |
A/D | 12-bit (output as 16-bit and 8-bit) |
Built-in Image Buffer | 512MB DDR3 Memory |
Full Frame Rates | 42FPS@8bit, 23FPS@16bit |
ROI Frame Rates | 1920Lines, 83FPS@8bit, 47FPS@16bit 640Lines, 99FPS@8bit, 99FPS@16bit |
Exposure Time Range | 11μs - 900sec |
Shutter Type | Electronic Rolling Shutter |
Computer Interface | USB3.0 Type-C |
Guide Port | Standard ST-4 Style |
Telescope Interface | 1.25-inch, with CS and C-Mount |
Optical Window | AR Anti-reflection Glass |
Extra Filter | – |
Back Focal Length | 17mm (with adapter); 8mm (without adapter) |
Weight | 90g |
Let customers speak for us
from 126 reviewsI've used this on my 8" ASTRONZ Cassegrain and it gives a fairly sharp image across most of the field of view. Being a long focal length telescope at 2436mm I wanted an eyepiece that gives me that little extra field of view when compared to my other 30mm eyepiece.

We were looking to buying a telescope for a while and finally made a decision to get one through Astronz. Contacted Andrew on a Wednesday and wanted to check whether we could get it deliver to Christchurch and luckily Andrew was driving down to CHCH for the weekend and by Friday we had the telescope personally delivered at no cost. It was great to meet Andrew as a person and his wealth of knowledge and genuine passion made the whole experience great. I would highly recommend Astronz

Many more discovery to see through it. Red colour on the moon was lovely to see with.

I had used a non-laser collimator earlier and compared to that this laser unit was far easier to use and took only a couple of minutes.

works way better than the celestron one I was using. I still have the same issue with the thread sticking but no way as bad as the celestron one.

Great addition to my telescope
Makes looking at the sky much easier
Good quality , Great value .

Worked as designed and can be used on other rigs as well

It was exactly what I needed and would have taken me ages to source. Thanks so much for a great service!
Happy with the sales integration with staff. Goods arrived on time and in good order. Looking forward to a bright future dealing with new Astronomy supplier

Exactly what was needed with fast delivery. Great trade!!!

Much better than my old x3 Barlow which was to powerful for my Tasco Galasee 144mm/500mm telescope. Clear and sharp.

Yeah, not bad at all. Nice crisp and clear and far more ergonomic on my dobsonian than a straight through. Price is on point, well worth it.

Subscribe To Our Newsletter
Subscribe to our newsletter for updates and events from Astronz!
- Choosing a selection results in a full page refresh.
- Opens in a new window.