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  #21  
Old 31-03-2019, 09:11 PM
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gregbradley
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Originally Posted by billdan View Post
Hi Greg,

According to the guys on Cloudy Nights, the sensor is an IMX455AQR.


https://www.sonyrumors.co/sony-imx45...-specs-leaked/
Yes that's the one I saw released about 3 months ago.

That is one hot sensor.

Greg.
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  #22  
Old 01-04-2019, 11:48 AM
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Peter Ward
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Originally Posted by billdan View Post
QHY has now released their full frame (36 x 24mm) version of these BSI Cameras.

Pixels: 60mega pixel
Pixel size : 3.76um
ADC: native 16bit
Fullwell: 49ke (196Ke with 2x2 binning) (440Ke with 3x3 binning)
Readout noise about 1 to 2.3 electrons (hi gain / lo gain)
Both monochrome/colour available
On board DDRIII memory : 2GBytes
Interface: USB3.0 + optional Giga Ethernet
Two stage TEC cooling
Electronic Shutter

https://www.qhyccd.com/index.php?m=c...catid=94&id=55
Have to say the specs are impressive....any links to images taken with this beastie?
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  #23  
Old 01-04-2019, 12:26 PM
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billdan (Bill)
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Peter,
They haven't sold any yet as its just been released and also no pricing is available at the moment. The people on CN are saying the sensor alone costs $5K so you can add another $2-3K on top for the rest of support electronics.
Pricing is to be announced at the NEAF exhibition on Apr 6th.
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  #24  
Old 01-04-2019, 12:55 PM
glend (Glen)
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Originally Posted by billdan View Post
Peter,
They haven't sold any yet as its just been released and also no pricing is available at the moment. The people on CN are saying the sensor alone costs $5K so you can add another $2-3K on top for the rest of support electronics.
Pricing is to be announced at the NEAF exhibition on Apr 6th.
Hmmm.. ASI1600s for much less (same pixel size, but 1/4 The area)., just shoot a 4 panel mosaic with a 1600. I know there are other uses/issues but where is the market for that camera?

Last edited by glend; 01-04-2019 at 02:06 PM.
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  #25  
Old 01-04-2019, 04:55 PM
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lazjen (Chris)
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Originally Posted by glend View Post
Hmmm.. ASI1600s for much less (same pixel size, but 1/4 The area)., just shoot a 4 panel mosaic with a 1600. I know there are other uses/issues but where is the market for that camera?
I've got the ASI1600 and within reason, it's good, but microlensing is very annoying, and you get no benefit from hardware binning.

If it does actually do real hardware binning, at say 2x2, you would get an effective pixel size of 7.52um. That would be nice to have on some larger scopes, right? Or do I misunderstand things here?
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  #26  
Old 03-04-2019, 11:57 AM
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billdan (Bill)
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ZWO ASI 6200 to be released

ZWO are also making a full frame camera with the same IMX455AQR BSI sensor.
Good to see the two Chinese juggernauts keeping each other honest.

https://www.facebook.com/ZwoDesignAstronomyCameras

P.S. What you say is correct Chris, you would get an effective pixel size of 7.52um.
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  #27  
Old 03-04-2019, 07:03 PM
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Quote:
Originally Posted by Slawomir View Post
Such large sensors with tiny pixels will put any lens through its paces and I honestly doubt there are many short focal length telescopes capable of providing a fully corrected circle for these sensors. Yes, FSQ has a huge corrected circle but these optics have been well tested with 9micron pixels, not 3.76micron this far from the optical axis. But who knows, maybe FSQ could well-handle these new sensors all the way to the corners?

On top of that, I totally agree with what have already been said, the cost would certainly put to a test most home-budgets and consequently relationships...
TOA150 in combo with Tak #67 flattener has a 90mm imaging circle. How would that fare? http://www.takahashi-europe.com/en/T...ifications.php
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  #28  
Old 03-04-2019, 08:48 PM
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Originally Posted by Logieberra View Post
TOA150 in combo with Tak #67 flattener has a 90mm imaging circle. How would that fare? http://www.takahashi-europe.com/en/T...ifications.php
If you click on the link “Optics” on the left hand side, it shows you example spots sizes for different optical configurations.
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