Abby Bader

B/W Rgb values in film stocks

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The values below are the channel combinations used on classic black and white films stocks. You could try to input the numbers in the monochrome mixer and see if the response is close to your perception of how it should look like. 

Film Type | Red Green Blue

AGFA 200X0.180.410.41

Agfapan 250.250.390.36

Agfapan 1000.210.400.39

Agfapan 4000.200.410.39

Ilford Delta 1000.210.420.37

Ilford Delta 4000.220.420.36

Ilford Delta 32000.310.360.33

Ilford FP40.280.410.31

Ilford HP50.230.370.40

Ilford Pan F0.330.360.31

Ilford SFX0.360.310.33

Ilford XP2 Super0.210.420.37

Kodak T-Max 1000.240.370.39

Kodak T-Max 4000.270.360.37

Kodak Tri-X 4000.250.350.40

Normal Contrast0.430.330.30

High Contrast0.400.340.60

Generic B/W0.240.680.08

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2 hours ago, Thomas Singh said:

Are these numbers a result of scientific research?

Not at all. I believe the original source of these numbers was actually this blog post http://www.prime-junta.net/pont/How_to/100_Curves_and_Films/_Curves_and_films.html from years ago. Which may have actually grabbed those numbers from some old photo forums like https://luminous-landscape.com/bw-better/ or http://www.russellbrown.com/tips_tech.html

Edited by cameronrad
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This reminds me of shooting with my life love Fuji X100 compact camera. Tri-X inspired B/W mode and the Bayer sensor got an amazing analogue feel that outbeat all the newer X-trans sensor on today cameras. Love black and white.

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11 hours ago, Abby Bader said:

This reminds me of shooting with my life love Fuji X100 compact camera. Tri-X inspired B/W mode and the Bayer sensor got an amazing analogue feel that outbeat all the newer X-trans sensor on today cameras. Love black and white.

On the topic of Fujifilm and Film Emulation/Simulation, check out section 4.2

http://www.fujifilm.com/about/research/report/056/pdf/index/ff_rd056_009_en.pdf

Edited by cameronrad
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On 4/8/2017 at 7:44 PM, Abby Bader said:

The values below are the channel combinations used on classic black and white films stocks. You could try to input the numbers in the monochrome mixer and see if the response is close to your perception of how it should look like. 

Film Type | Red Green Blue

AGFA 200X0.180.410.41

Agfapan 250.250.390.36

Agfapan 1000.210.400.39

Agfapan 4000.200.410.39

Ilford Delta 1000.210.420.37

Ilford Delta 4000.220.420.36

Ilford Delta 32000.310.360.33

Ilford FP40.280.410.31

Ilford HP50.230.370.40

Ilford Pan F0.330.360.31

Ilford SFX0.360.310.33

Ilford XP2 Super0.210.420.37

Kodak T-Max 1000.240.370.39

Kodak T-Max 4000.270.360.37

Kodak Tri-X 4000.250.350.40

Normal Contrast0.430.330.30

High Contrast0.400.340.60

Generic B/W0.240.680.08

Hi Abby.
I did not understand your numbering ..
I use the Davinci in RGB mixer I have only -2 up to 2 ...

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