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ZWO533MM mono in the works?

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#1 Grimstod

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Posted 06 December 2021 - 11:04 AM

I was pausing Sonys website and I noticed that a new 533 mono version of the sensor is now available. Anyone know if ZWO has plans to add it? I myself would buy this camera right away. Perfect for galaxies and a better successor to the 1600MM that I have now compared to the 294MM. 

 

Here is its technical document. 

https://www.sony-sem...Flyer_ver10.pdf

 



#2 alphatripleplus

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Posted 06 December 2021 - 11:16 AM

I'm sure a lot of us would be interested in one.



#3 bobzeq25

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Posted 06 December 2021 - 11:37 AM

The issue is that mono is expensive; filters, filter wheel.  The question is what that does to the market for a small inexpensive mono camera.  If you're committing to mono, you likely want something better.

 

I'm sure ZWO can figure out whether such a camera would make them money.


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#4 imtl

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Posted 06 December 2021 - 11:43 AM

I was pausing Sonys website and I noticed that a new 533 mono version of the sensor is now available. Anyone know if ZWO has plans to add it? I myself would buy this camera right away. Perfect for galaxies and a better successor to the 1600MM that I have now compared to the 294MM. 

 

Here is its technical document. 

https://www.sony-sem...Flyer_ver10.pdf

What makes it perfect for galaxies?



#5 matt_astro_tx

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Posted 06 December 2021 - 11:44 AM

Yeah I saw that recently too.  Like Bob said, ZWO will have to run a cost/benefit analysis.



#6 Grimstod

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Posted 06 December 2021 - 12:02 PM

What makes it perfect for galaxies?

Square format seams ideal for a lot of face on galaxies. 



#7 imtl

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Posted 06 December 2021 - 12:42 PM

Square format seams ideal for a lot of face on galaxies. 

I don't see why but I'll be happy to hear an explanation.

 

To me, image scale, a very good mount, dark skies and good seeing are the ones that will dominate a good image of galaxy, especially for the small faint fuzzies. Not if the sensor is square or not. scratchhead2.gif


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#8 dx_ron

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Posted 06 December 2021 - 01:11 PM

Few galaxies will fill a 2600, could use 1.25" filters, cleaner sensor than 294. Would it be a best seller? Probably not.



#9 imtl

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Posted 06 December 2021 - 01:25 PM

Few galaxies will fill a 2600, could use 1.25" filters, cleaner sensor than 294. Would it be a best seller? Probably not.

Fill area of a sensor will depend on focal length used. 1.25" filters can be used with the 294 as well. 294 offers a bigger sensor with bigger pixel options (bin1 and bin 2) and bigger well depth (in bin 2 mode). RN at unity between the two has negligeable differences. I do think that it could be a great starters camera for beginners. I just don't see the advantage for galaxies that's all.



#10 Grimstod

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Posted 08 December 2021 - 07:01 AM

The cost might be substantially lower then the 294mm which is in my option way overpriced. They only put that price tag on the 294 because they would have to otherwise undercut the 1600 which at this point is also overpriced compared to what it sells for used. 



#11 Grimstod

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Posted 08 December 2021 - 07:24 AM

Also the lower read noise of the 533 over the 294 is a plus because with galaxies you are typically shooting RGB and those are shorter exposures and thus read noise becomes more relevant. 



#12 iantaylor2uk

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Posted 08 December 2021 - 08:27 AM

You don't need a filter wheel if you are happy with B&W photos!


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#13 GoldSpider

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Posted 08 December 2021 - 09:48 AM

A square sensor makes more sense than rectangular for using with circular optics, but camera manufacturers are entirely dependent on the sensor manufacturers deciding a square sensor is worth making.


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#14 imtl

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Posted 08 December 2021 - 10:20 AM

The cost might be substantially lower then the 294mm which is in my option way overpriced. They only put that price tag on the 294 because they would have to otherwise undercut the 1600 which at this point is also overpriced compared to what it sells for used. 

Also the lower read noise of the 533 over the 294 is a plus because with galaxies you are typically shooting RGB and those are shorter exposures and thus read noise becomes more relevant. 

I see your point about cost but I think it is not related to the question whether this sensor is good for galaxies. I cannot really say if the price of the 294 is over the top, eventually the market dictates these things and people are willing to pay for that.

 

Yes, I've stated that at zero gain the 533 has much less RN than the 294, but not at unity where it is comparable. With RGB, even in dark site you don't need a lot to swamp RN. It's mostly a NB issue.

 

In any case, I'm sure it is going to be a great camera all in all.


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#15 alphatripleplus

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Posted 08 December 2021 - 10:35 AM

I'm looking forward to an update on whether either ZWO or QHY decides to market one, hopefully at  a price point below the 294 mono cameras.


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