H4D series high ISO - good, bad, OK?

Shashinka73

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I've always liked the idea of digital MF and I once got a chance to shoot with a Hasselblad H5D 50C, i.e. the CMOS version. I loved shooting that thing. However, they're still pretty expensive, at least based on the budget I'm setting myself. I'd rather have a less expensive camera and more lenses.

I've seen some very reasonable prices on used cameras from the H4 series, mainly the H4D-40 and the H4D-50, both of which are of course CCD sensors. But this is where I run into an interesting phenomenon.

Ming Thein, whose advice on cameras is always worth listening to, said that the H4D-40 was usable at all ISOs, and that the noise at the higher levels was like fine film grain.

On other forums, I've read people stating that with the H4D-50 (which tops out one stop lower at 800), you shouldn't even go above base ISO. That seems like a considerable difference of opinion.

I would hazard a guess that the H4D-40 would be better at higher ISOs due to having a bigger pixel pitch, but even then I can't see how the 50 would be that much worse.

I used to shoot an Epson R-D1, which was also a CCD, and I could get decent results out of that at 800 if I exposed it properly.

So...is the H4D-50 that bad at higher ISOs, or what?
 
I've always liked the idea of digital MF and I once got a chance to shoot with a Hasselblad H5D 50C, i.e. the CMOS version. I loved shooting that thing. However, they're still pretty expensive, at least based on the budget I'm setting myself. I'd rather have a less expensive camera and more lenses.

I've seen some very reasonable prices on used cameras from the H4 series, mainly the H4D-40 and the H4D-50, both of which are of course CCD sensors. But this is where I run into an interesting phenomenon.

Ming Thein, whose advice on cameras is always worth listening to, said that the H4D-40 was usable at all ISOs, and that the noise at the higher levels was like fine film grain.

On other forums, I've read people stating that with the H4D-50 (which tops out one stop lower at 800), you shouldn't even go above base ISO. That seems like a considerable difference of opinion.

I would hazard a guess that the H4D-40 would be better at higher ISOs due to having a bigger pixel pitch, but even then I can't see how the 50 would be that much worse.

I used to shoot an Epson R-D1, which was also a CCD, and I could get decent results out of that at 800 if I exposed it properly.

So...is the H4D-50 that bad at higher ISOs, or what?
About 4 stops worse than an X1D at ISO 800.

https://www.photonstophotos.net/Charts/PDR.htm#Hasselblad H4D-50,Hasselblad X1D-50c

Unsurprisingly, the same is true when the X1D is replaced by a H6D-50c:


I’ve never found that photon or read noise looks like film grain. Both are spectrally white. The only thing that would likely make a difference in the color noise is the color filter array and the demosaicing algorithm.
 
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I've used an H5D-50 years ago but that was in studio at ISO 50 or 100

I have a P1 IQ180 (which is a contemporary CCD sensor, albeit 80mp and 54x40mm) and I would not use it for anything that matters to me (photographically) at higher than ISO 200

FWIW
 
I use and still own Hasselblad H4D-40 .Regarding noise,I almost never use nothing else than iso 100. And even whit iso 100 if you underexpose , you will see noise,especially on blue sky ,I am tackling about have a stop. Year ago I bought used Pentax 645z, since then I am not pick it up Hasselblad. What is very good in Hasselblad is good lenses whit leaf shutter . Try 645z, you spend even less money and files from this camera is very good even at hi iso.One more thing,Hasselblad and lenses is not very reliable, especially used one and super expensive to fix, trust me on that, twice i send lenses for repair . So personally I am Not recommend you to do that, but Your decision is more important.
 
I use and still own Hasselblad H4D-40 .Regarding noise,I almost never use nothing else than iso 100. And even whit iso 100 if you underexpose , you will see noise,especially on blue sky ,I am tackling about have a stop. Year ago I bought used Pentax 645z, since then I am not pick it up Hasselblad. What is very good in Hasselblad is good lenses whit leaf shutter . Try 645z, you spend even less money and files from this camera is very good even at hi iso.One more thing,Hasselblad and lenses is not very reliable, especially used one and super expensive to fix, trust me on that, twice i send lenses for repair . So personally I am Not recommend you to do that, but Your decision is more important.
I assume you intended to reply to the OP?

In any case the 645Z has a CMOS sensor (same as in the new Fuji 50 cameras and the 50c Hassy backs and the X1D (I/II) and some PhaseOne backs) so obviously it has better ISO and DR characteristics.

Just wanted to point out that yes, I know well that repairs of HC lenses are quite expensive, but also that I am not sure I would agree that they are not very reliable. I do not have any statistics but my lenses have worked fine for a few years now (mind you, I am not what could be considered a heavy user)
 
I highly recommend going with Hasselblad because of color and tones, but I would stay away from H system in general. I don't see any future in it at this point, used X1D are very well worth it though. lenses can get expensive but they are exceptional and hold their value.

there is something about CCD sensors but usually only at base ISO and even there DR is limited. the 50mpix CMOS sensor used in so many (Hasselblad, fuji, Pentax) bodies is pretty old at this point but still somehow holds its own.
 
I highly recommend going with Hasselblad because of color and tones, but I would stay away from H system in general. I don't see any future in it at this point, used X1D are very well worth it though. lenses can get expensive but they are exceptional and hold their value.

there is something about CCD sensors but usually only at base ISO and even there DR is limited. the 50mpix CMOS sensor used in so many (Hasselblad, fuji, Pentax) bodies is pretty old at this point but still somehow holds its own.
What does "pretty old" even mean? Is there some other technology that makes it obsolete? Just because time has gone by since this superb sensor was released means nothing. It's specs don't deteriorate. What is it lacking? What competition does it have?

The sensor in my D800E, which I have been using since it was released in 2012 has specs that are still in the highest levels of all sensors currently being used. Newer cameras have better functions other than their sensor performance, but the sensor is excellent. Time doesn't affect sensors.

The Sony sensor in the X1D models, GFXs, Phase One and Pentax does more than "hold its own." It is still state of the art.

Rich
 
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I highly recommend going with Hasselblad because of color and tones, but I would stay away from H system in general. I don't see any future in it at this point, used X1D are very well worth it though. lenses can get expensive but they are exceptional and hold their value.

there is something about CCD sensors but usually only at base ISO and even there DR is limited. the 50mpix CMOS sensor used in so many (Hasselblad, fuji, Pentax) bodies is pretty old at this point but still somehow holds its own.
What does "pretty old" even mean? Is there some other technology that makes it obsolete? Just because time has gone by since this superb sensor was released means nothing. It's specs don't deteriorate. What is it lacking? What competition does it have?

The sensor in my D800E, which I have been using since it was released in 2012 has specs that are still in the highest levels of all sensors currently being used. Newer cameras have better functions other than their sensor performance, but the sensor is excellent. Time doesn't affect sensors.

The Sony sensor in the X1D models, GFXs, Phase One and Pentax does more than "hold its own." It is still state of the art.

Rich
At base ISO. It doesn’t have dual conversion gain.
 
I highly recommend going with Hasselblad because of color and tones, but I would stay away from H system in general. I don't see any future in it at this point, used X1D are very well worth it though. lenses can get expensive but they are exceptional and hold their value.

there is something about CCD sensors but usually only at base ISO and even there DR is limited. the 50mpix CMOS sensor used in so many (Hasselblad, fuji, Pentax) bodies is pretty old at this point but still somehow holds its own.
What does "pretty old" even mean? Is there some other technology that makes it obsolete? Just because time has gone by since this superb sensor was released means nothing. It's specs don't deteriorate. What is it lacking? What competition does it have?

The sensor in my D800E, which I have been using since it was released in 2012 has specs that are still in the highest levels of all sensors currently being used. Newer cameras have better functions other than their sensor performance, but the sensor is excellent. Time doesn't affect sensors.

The Sony sensor in the X1D models, GFXs, Phase One and Pentax does more than "hold its own." It is still state of the art.

Rich
At base ISO. It doesn’t have dual conversion gain.
Ok.

;-)

But what else is available for 50MP MF?
 
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I highly recommend going with Hasselblad because of color and tones, but I would stay away from H system in general. I don't see any future in it at this point, used X1D are very well worth it though. lenses can get expensive but they are exceptional and hold their value.

there is something about CCD sensors but usually only at base ISO and even there DR is limited. the 50mpix CMOS sensor used in so many (Hasselblad, fuji, Pentax) bodies is pretty old at this point but still somehow holds its own.
What does "pretty old" even mean? Is there some other technology that makes it obsolete? Just because time has gone by since this superb sensor was released means nothing. It's specs don't deteriorate. What is it lacking? What competition does it have?

The sensor in my D800E, which I have been using since it was released in 2012 has specs that are still in the highest levels of all sensors currently being used. Newer cameras have better functions other than their sensor performance, but the sensor is excellent. Time doesn't affect sensors.

The Sony sensor in the X1D models, GFXs, Phase One and Pentax does more than "hold its own." It is still state of the art.

Rich
I agree! I love the files from my X1DII and 907, both use that "old"sensor and IMO it still provides the best files available today.

I just wanted to point out that it is old, came out a while ago.

the 100mpix sensor in the fuji is a logical next step, but I dont see any improvement in the files over the ones I am getting today from my 50mpix cameras, and the smaller file size is an advantage IMO.

lots of people have different opinions and experiences and may look for something different and are likely happier with other gear.
 
The H4D-40 is a microlensed sensor, hence the difference in ISO ranges between the -40 and -50.

I never shoot above ISO 200 on my H4D-50 - spending my time at ISO 50 or 100. Converting to B&W may give you another working stop, and I honestly haven't tried the latest noise reduction software - it may clean things up enough for you.

If you need high ISO, find a CMOS 50mp camera. I moved to the 645z and loved everything it does.
 
I was looking back at old test shots from Samys Cameras on the H4d 40MP, and I am damn surprised on how clean the noise is from basic correction in Lightroom Classic. I can send a link to the Raws if interested.

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