print manually numeric photos

[Vincent Douce]

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hi

is it possible to print photos "manually" photos taken with a M8, but to print them without a printer, but with photographic paper as if the photo was an argentic negative ?

[Sandokan]

I guess you would setup a darkroom, replacing the enlarger with a digital projector ... getting it to focus closely is the challenge.

[pop]

10 minutes ago, Sandokan said:

the challenge

I think the real challenge would be to find a projector that comes even close to the resolution of the M8. The best I could find on short notice boasts 1900x1280 pixels or some such, at a very impressive price.

[jaapv]

The accepted way is to create a negative, print that as a transparancy and make a chemical (contact) print from there. 

[Sandokan]

1 minute ago, jaapv said:

The accepted way is to create a negative, print that as a transparancy and make a chemical (contact) print from there. 

why not just print from the negative onto paper? what is the purpose of the transparency? 

I guess the other way would be to print with inkjet, copy that with a film camera and print from that. 

[jaapv]

The negative is digital  Printing is the only way to get it  out of the computer  

 

11 minutes ago, Sandokan said:

why not just print from the negative onto paper? what is the purpose of the transparency? 

I guess the other way would be to print with inkjet, copy that with a film camera and print from that. 

 

[zeitz]

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4 hours ago, jaapv said:

The accepted way is to create a negative, print that as a transparancy and make a chemical (contact) print from there.

Yes indeed.  See for platinum and palladium printing.  Beautiful prints.

https://www.creativelive.com/class/introduction-to-alternative-processing-in-photography-daniel-gregory/lessons/overview-of-the-digital-negative-process?gclid=Cj0KCQjwr-SSBhC9ARIsANhzu17R2gYdi1W21QMiCt2blVtp9puSnHE1ANoUc0Bearph0tToB21X0cIaAo0REALw_wcB

[Vincent Douce]

thanks for these answer and for the rich link that i will take time to study !

[LocalHero1953]

I have made contact print cyanotypes from time to time, using a negative I have printed at A4 on film with my digital printer. It took trial and error to create an inversion curve the right shape for good tonal gradations.

Edited April 15, 2022 by LocalHero1953

[Vincent Douce]

thanks Paul. À tout hasard, would you mind sharing this inversion curve ?

[Anbaric]

If you don't mind someone else doing the work, there are services that will take digital files and make traditional gelatin silver prints from them. These use a specialised device, such as a LightJet 'laser enlarger', that exposes light-sensitive photographic paper that is then developed in the normal way. See for example:

https://www.harmanlab.com/page/61/Black-and-White-Prints-From-Digital.htm

https://digitalsilverimaging.com/dsi-digital-silver-prints/

https://tysonrobichaudphotography.blog/2014/10/24/digital-silver-imaging-a-unique-digital-silver-gelatin-printing-process/

[LocalHero1953]

46 minutes ago, Vincent Douce said:

thanks Paul. À tout hasard, would you mind sharing this inversion curve ?

My original post was incorrect. I first inverted the digital image as a TIF in PS, and then applied this curve in Lightroom.

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Here's an original image:

 

Here is a straight inversion:

And here it is after applying the custom curve:

I would also be interested in how others adjust curves for the specific case of cyanotypes.