Duotone

Duotone Curve dialog
Color Libraries dialog
Personally, I find it sufficient to work with the alternatives to "real" Duotones.

Duotone
Duotone is the printing process that employs the color halftone of an image and superimposing a contrasting halftone to reproduce the full image.

duotone:
dynamic range:
Refers to the gradations of light and dark that a digital camera can capture where details are neither washed out by light nor concealed by shadows.

Duotone: A two color halftone reproduction from a one-color photograph used by more than one running process. The operating system maps the DLLs into the process's address space when the process is started up or while it is running.

duotone printing
a process of printing two colors with halftone printing screens, placed at angles to diminish or elimate a moiré effect caused by overlaping of dots in a given pattern or patterns.
duping
refer to duplicating film.

Duotone Solarization
Black- and- white prints made with different kinds of paper often have silver images with different tones, or colors.

Kitten, duotoned
If you have been using a film camera you know perfectly the cost of development is quite expensive. And due to that fact you might be a little reluctant to shoot more than one frame.

Yes B/Works is for creating old fashioned B/W images, Sepia or Duotone colored images.
Sometimes you have a picture which doesn't look very exciting in color, try to experiment with B/Works and maybe you create some art! Who knows?

It’s costly to print in duotone or tri-tone, with varnish, on good paper. And generally, fine art books do not sell 25,000 or 50,000 copies, like a National Geographic book on Australia. It’s very hard to find a publisher.

Shooting and Editing a Stylish Duotone Image 9 Comments
Using Hyperfocal Distance to Ensure Maximum Depth of Field in Landscape Photography 43 Comments
The Complete Behind-the-Scenes Guide to a Commercial Shoot - Photo Premium 18 Comments ...

18 Should you wish to change the colour of your black and white ‘duotone’, simply double click the colour fill and reselect the colour.
19 Create a new layer.

This can be achieved digitally using most software's hue/saturation settings or Photoshop's duotones system. A method of soaking the print in selenium or similar chemical(s) to help give the print an overall feeling of "richness".

It has support for most all of the imaging options available in Photoshop, such as layer masks, transparency, text, and alpha channels. In addition, spot colors, clipping paths and even duotone settings can be saved if you are preparing images for ...

The paper base is not affected so whites stay white. Common toning colours are sepia and blue. This can be achieved digitally using most software's hue/saturation settings or Photoshop's duotones system.

He later gets into even more technical detail about his own techniques, however it's his first hundred pages about enthusiasm, communication, composition, visualization, light and color that alone make this large duotone masterpiece a bargain, ...

See also: Image, Photograph, Camera, Photographer, Photography