DPP Question for 50D owners

Started Oct 3, 2008 | Discussions
Karma Traveler Regular Member • Posts: 494
DPP Question for 50D owners

I don't have the EOS 50D. But as I understand it, the latest version of DPP applies noise reduction to RAW conversions by default. Each ISO setting will have a specific amount of Chroma and Luminance NR applied to it.

Would someone indicate the default NR values for each ISO setting on the 50D?

Jovo Veteran Member • Posts: 4,200
Re: DPP Question for 50D owners

You can override the presets in DPP under Preferences and set it to 0,0 NR.

Karma Traveler wrote:

I don't have the EOS 50D. But as I understand it, the latest version
of DPP applies noise reduction to RAW conversions by default. Each
ISO setting will have a specific amount of Chroma and Luminance NR
applied to it.

Would someone indicate the default NR values for each ISO setting on
the 50D?

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Decoboy Regular Member • Posts: 172
Not unless you have HINR turned on

Hi Karma,

As far as I can see DPP does not 'apply them' automatically, it does however have the values preset. If you turn on HINR in the camera then DPP does apply them (which makes sense), the settings are as follows
ISO LUMNR/ChromaNR
100 1/2
200 2/4
400 2/5
800 3/7
1600 4/10
3200 5/12
6400 7/13
12800 10 / 14

I like this, if I forget to have HINR turned on the 'defaults' are there if I need them.

More importantly Canon is doing something very different and very sexy in the latest DPP for the 50D. I'll be posting some 40D-50D comparisons tomorrow, the results are amazing. I don't know what they've done but after applying the new NR 'sauce' in DPP the 50D wins hands down.

BTW LR 2.1 / ACR 4.6 can (unofficially) handle the 50D shots however the results are poor. Hopefully they will get it right soon so I can get back to my normal workflow.

Cheers
--
Brian

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Jovo Veteran Member • Posts: 4,200
Re: Not unless you have HINR turned on

I have everything turned off on the 50D, but DPP still applies the NR. The only way I can turn it off, as I said earlier is in DPP.

Decoboy wrote:

Hi Karma,
As far as I can see DPP does not 'apply them' automatically, it does
however have the values preset. If you turn on HINR in the camera
then DPP does apply them (which makes sense), the settings are as
follows
ISO LUMNR/ChromaNR
100 1/2
200 2/4
400 2/5
800 3/7
1600 4/10
3200 5/12
6400 7/13
12800 10 / 14

I like this, if I forget to have HINR turned on the 'defaults' are
there if I need them.

More importantly Canon is doing something very different and very
sexy in the latest DPP for the 50D. I'll be posting some 40D-50D
comparisons tomorrow, the results are amazing. I don't know what
they've done but after applying the new NR 'sauce' in DPP the 50D
wins hands down.

BTW LR 2.1 / ACR 4.6 can (unofficially) handle the 50D shots however
the results are poor. Hopefully they will get it right soon so I can
get back to my normal workflow.

Cheers
--
Brian

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mike bustad Forum Pro • Posts: 10,220
Can't wait to see your results
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Tanglefoot47
Tulalip Wa.

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OP Karma Traveler Regular Member • Posts: 494
Exactly what I was looking for.

Decoboy wrote:

Hi Karma,
As far as I can see DPP does not 'apply them' automatically, it does
however have the values preset. If you turn on HINR in the camera
then DPP does apply them (which makes sense), the settings are as
follows
ISO LUMNR/ChromaNR
100 1/2
200 2/4
400 2/5
800 3/7
1600 4/10
3200 5/12
6400 7/13
12800 10 / 14

I like this, if I forget to have HINR turned on the 'defaults' are
there if I need them.

Thanks Decoboy. That was exactly what I was looking for.

It's strange to see NR being applied even at the lowest ISO settings! Personally, I like a little luminance noise in my photos. Makes it feel more organic, film-like. With the latest DPP, I'll most likely keep luminance NR at the bare minimum at the lowest ISO settings.

Decoboy Regular Member • Posts: 172
Hmm.. strange

Karma,

I just checked again - twice, in my 'Main window' NR shows the (HINR) NR values if you display the Tools palette, however this does not mean they have been applied.

If I go to the Edit Image Window the NR has the 'Apply' button highlighted (meaning it has not been done yet) if I click this the NR is then applied (BTW taking a lot longer than in previous versions of DPP so I guess it's thinking harder)

In Prefs-Tool Pallette-Default NR I have it set to 'Apply camera settings'

Does this help?

After midnight in Australia, off to bed now

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Brian

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Decoboy Regular Member • Posts: 172
Agree re low ISO NR

Yes thought the same,

However I get the feeling that the NR ramp has changed, ie. more of a parabolic curve than linear as suggested by the numbers, e.g. previously I could get similar NR results in LR. Now a value of DPP ChromaNR 12 is well beyond the max in LR2.1

The DPP ISO 100 setting of 1/2 seems very subtle.
--
Brian

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J A K Forum Pro • Posts: 15,833
For very long exposure times ...

NR "might" be very desirable.

Karma Traveler wrote:

It's strange to see NR being applied even at the lowest ISO settings!

Joe Kurkjian

Galleries: http://www.pbase.com/jkurkjia

SEARCHING FOR A BETTER SELF PORTRAIT

Decoboy Regular Member • Posts: 172
Image server down

Damn it,
Just discovered my image server will be down till the 4th October

Will get them up ASAP

In the meantime you might like to refer to the thread (see link below) from 1 year ago when I did a 20D-40D comparison. There was some excellent (and almost all polite!!) discussion about my methods. Note that the image links are still valid however they are at the same image server that I'm waiting to come back online.

http://forums.dpreview.com/forums/read.asp?forum=1019&message=24942316

Cheers
--
Brian

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SmokinMan Contributing Member • Posts: 855
Re: Not unless you have HINR turned on

Decoboy wrote:

Hi Karma, the settings are as
follows
ISO LUMNR/ChromaNR
100 1/2
200 2/4
400 2/5
800 3/7
1600 4/10
3200 5/12
6400 7/13
12800 10 / 14

See the above default 'Standard' NR is what I dont like. I think it is too agresive on the luminance noise.

  • ISO 100-400 there shouldn't be any NR needed.

  • ISO 800 Lumi of 1 and Chromi of 5

  • ISO 1600 Lumi of 1 and Chromi of 10

  • ISO 3200 Lumi of 2 and Chromi of 15(film grain look but preserving details better)

  • ISO 6400 Lumi of 3-4 and Chromi of 20(all the way for Chrominance noise)

  • ISO 12800 Lumi of 5-8 and chromi of 20

well ISO 6400 and 12800 result kind of depend on the exposure and whether or not dark shadow dominate the frame.

Do you know what is the default value when the NR incamera set to LOW?
--
SmokinMan

SmokinMan Contributing Member • Posts: 855
Re: Agree re low ISO NR

Decoboy wrote:

The DPP ISO 100 setting of 1/2 seems very subtle.
--
Brian

No problem with the crominance up to 5 for low ISO still prefer NONE, but Lumi of 1 or 2 will give the image a soft look. '3' on the other hand is much softer than 2. That is why I prefer to use '3' only when pass ISO 3200.

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SmokinMan

Decoboy Regular Member • Posts: 172
Updated NR Default List and Apology

Karma et al;

My apologies, I gave you the 50D defaults for the 'Strong' setting.

Here is the definitive list of all the defaults (only in full ISO steps as I believe the intermediates like the 40D are not 'real' steps like the 100-200 etc)

Values are shown in Luminosity / Choma e.g 2/5

ISO Disabled Standard Low Strong
100 1/1 1/2 1/2 1/2
200 1/2 2/4 1/4 2/5
400 1/3 2/5 2/5 3/5
800 2/3 3/7 3/5 3/7
1600 3/3 4/10 3/10 4/11
3200 4/8 5/12 4/11 6/12
6400 4/11 7/13 4/13 8/13
12800 5/13 8/14 6/14 10/14

Interestingly NR is still applied when Disabled is set!

Again I think this suggests that Canon are doing something different, i.e. relying on ex camera processing (DPP) to perform some of the NR that previously might have been done in camera. Notice the 100 figs, they're all the same except for disabled - hence my theory.

If I'm right, we should not judge this as 'unnecessary' NR on the low ISO's, just NR that previously would have been done in Camera (and beyond our control)

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Brian

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