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Noctilux on M8 looks sharper than on M9


eleskin

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Here is another M8 pic of a friend of mine who is building a new McDonalds. This was taken in the rain (I like the rain drop rendering of the Noct).

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Here is another shot of a friend of mine who is a Pro Photographer. At f1.0 on the M8, focus was spot on, around 1/60th a second.

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Another of my daughter at f1.0 with the M8.

 

I think the M8 works very well with the Noctilux, especially focus accuracy. The M9 has the full frame and ISO advantage, but that is about it.

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Some nice shots from the M8,

 

But I do notice that the first M9 shot probably have the same sharpness, only the far side of the glasses seems to be in focus, the near side is out of focus. My guess the M9 you used must have had a rangefinder out of calibration.

 

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This one was taken at f1.0 at 1/250 a second at Knobles Amusement Park in Pennsylvania

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This is a power box shot at f1.0, 1/60th.

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This is the non cropped version.

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:-)

 

Actually what I should have said, is that the only contrast I have seen is on the far end of the glasses in the first and the pro-photographers hat. those parts look focused to me. the rest don't really demonstrate much. though it is nice to see so many pictures from the Noct.

 

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All f/1 pics above look equally soft to me. I know that softness is a quality with certain lenses like earlier Noctiluxes but chosing those same lenses for a contest of sharpness sounds like choosing two venerable old ladies for a contest of beauty. :D

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All f/1 pics above look equally soft to me. I know that softness is a quality with certain lenses like earlier Noctiluxes but chosing those same lenses for a contest of sharpness sounds like choosing two venerable old ladies for a contest of beauty. :D

 

you have a point! I'll just say the lens looks to have the same sharpness at F1 on the m9 as it did on the M8, but critical sharpness at F1 is not a property of, at lest my, nocti!

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I believe they are disabled. Unfortunately I just went thru the ninth circle of upgrade with Phase One and can't give a definitive answer. BUT, whatever the setting, it is identical for both images.

 

I have both these images and can check if they look the same with those disabled. I'll try to do this tomorrow night (finishing a project tonite).

 

I also have to print them; I guess I can do that at the same time.

 

It would be a lot easier to get thru the day if I replaced my stupid assistant with a military trained adjutant.

 

BTW, for those of you teetering on the edge of a sw decision, the Pro version of C1 saved my bacon. For the same shoot that the comparison pictures came from I had one of 4 dancers in a line where the 2 in the rear were under a red gel. They looked like they were covered with blood. I was able to remove this trivially by setting red to zero in C1. What a fantastic feature.

 

 

[some minuites later ..............]

 

I found the settings. For BOTH images, the settings are:

 

Sharpening -- Amt = 100, Radius = 0.8, threshhold = 1.0

Noise Red -- luminance = 25, color = 55.

 

I imagine that these are the default settings. Do you want to see the images produced another way?

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There are a couple of things to consider here reg M8 vs M9.

 

1) FF sensor has different DOF. We can see this easily by comparing any FF camera against any crop sensor cameras. FF equals shallow DOF (when comparing against same lense in crop sensor camera)

 

2) comparing sharpness in hand held photos is pure speculation always. ultimate sharpness cannot be achieved handheld

 

3) crop sensor cameras only use the center most portion of the lense. for most lenses that is definately the sweet spot thus easily giving the idea of a sharper camera/lense combination

 

4) if I'm not mistaken, the M8 has better lp/mm ratio which easily can give the impression of sharper pictures as there's more information available for a certain area.. thus if you crop the exact same area of picture from M9 and M8 picture, the M8 actually has better resolution.

 

So I agree with your oranges and apples comparison, but I'm not ready to give any verdicts on the sharpness. Someone should have M8 & M9 on a tripod shooting the exact same subject. Definately use a remote trigger for the shutter or self-timer. And to compare the same lense, one would need to move the M9 further behind to achieve the same FOV as the M8. That would also equalise pretty much the pixel count for the 100% crops as well.. And then make comparisons on sharpness.

 

So it's not an easy task to get scientific info on this matter. And I'm quite sure I just missed something critical from my "lab setup"...

 

The other thing is then the purely subjective evaluation or perception of sharpness.. some ppl will like the M9 and other will like the M8. Main thing is that hopefully many ppl will like Leicas :)

 

I have (should I say will have, when it gets back from Solms) the M8. I would have propably gone for M9 if I had the money.. And that decisions would have been purely made on the idea that with the M9 all the lenses will be what they were designed to be and also for the possibility of better ISO performance.

 

Just my 2c,

 

Juha

 

Dear Juha, I respectfully beg to differ on some points, namely:

 

1) FF sensors have a deeper DOF that cropped sensors. Whilst the lens remain the same and producing the same image, on the cropped image there's less image around. Therefore you must take into account the definition of DOF which relies on that of the "circle of confusion".

As the lens remains the same but the sensor is cropped, the circle of confusion must be shrinked accordingly, hence the decreasing of DOF.

There's an interesting article in this respect, but I do not remember now where it was. If it'll come to mind I'll post it as an update.

It shook my beliefs too, because I originally thought that using the same lens on either a FF or cropped sensor DOF wouldn't change...

 

4) Nay, the sensors of M8 and M9 have the same pixel density, therefore you should have the same resolutions.

 

Cheers,

Bruno

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Bruno,

 

Agree entirely.

 

Juha, I have both cameras in question and the resolution per mm is the same, besides, don't move the M8 to match fov, that is not meaningful, same distance etc...

 

IF you were to move the M8 with the Noct back so it covers the same area as the M9 and noct... then you would automatically get more lines of resolving power on the same area from the M9.. 18mpix vs 10mpix for the same details.. clearly the M9 would resolve more "same area" details any day of the week.

 

If the noct is in fact resolving better per mm of sensor... the is probably going to be debated from now and until we start talking about the M10 instead... Its almost a meaningless question... as one would have to use a 75lux on the M9 to get the same FOV (field of view). or shoot a 35mm on the M8 and the noc on the M9..

 

If you print the full file from either, the practical result is going to be the M9 having more resolving power on the full file, simply because the M8 is exactly a cropped M9 file. So grab a M9 file and trim the canvas size in photoshop to M8 dimensions and you have the two files. the result is if you shoot roughly the same 3/4 portrait with both cameras and the same lens... there is going to be more resolving power on the persons hair in the M9 file.

 

As I said, i have both in my office and the files show exactly what I just said.

 

The only way to debate this would be to shoot the Noct on the M8, then shoot the same lens on the M9 and CROP the M9 lens to match the M8 file - then we can start to compare... but make sure the files are actually correctly exposed and carefully focused.. both setup's can probably benefit from a little focus bracketing to make sure both put in the best performance... after that... Im pretty sure you will see a clear result... being there is no difference.

 

You are more than welcome to bring a Noct by my office, I have the shooting space and tripod ready.

 

cheers. :D

 

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...I imagine that these are the default settings. Do you want to see the images produced another way?

Would be great if you could disable the NR and sharpening settings if you don't mind Bill failing which we'll end up to compare more C1 than M9 vs M8 files i'm afraid. My guess is the M9 needs a bit more sharpening than the M8 but i might be completely wrong.

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