HEINRICH KUHN Kayleigh McDowall NC1B

Biography

Heinrich Kuhn was born 25th February, 1866 in Dresden, Germany. After completing his study of medicine and science in 1888 he joined the "Wiener Camera-Klub" where he was introduced to Hugo Henneberg and Hans Watzek who he then went onto travel to Germany, Italy and Holland with. They then went onto presenting an exhibition of their work in Vienna during the summer of 1897.

Work

Heinrich Kuhn was one of the most well known and productive Austrian pictorialist working in the twentieth century. He spent a large amount of time studying and writing about the theoretical and technical aspects of photography. He worked on the processes of platinum, pigment and gumbichromate where he produced pictures of children, figures, landscapes and still life.

Along side Hugo Henneberg and Hans Watzek he formed the Trifolium (also known as Kleeblatt) and added a three leaf clover to their individual prints that they went onto put on display the same year Heinrich was elected to London's Prestigious Linked Ring Brotherhood.

Process

In 1906 after opening a portrait studio in Innsbruck he began to experiment with the new Autochrome process which led him to produce diffused coloured images on glass plates making him one of the earliest colour photographers.

The process includes using a autochrome plate consisting of glass plate, a colour filter layer which is made of blue-violet, green and red grains along with a layer of silver gelatine emulsion. The oncoming light in the camera is filtered by the coloured starch grains before hitting the lights sensitive gelatine layer. When the plate is regarded in transmitted light or is projected the additive mixture of light results in a coloured image.

How To Recreate Digitally

Step one: Use curves starting with the red channel. Create a new point and set the output to 120 and the input to 130. You can drop the curve dip lower depending on your image but you want to avoid a green colour cast.
With the green channel make the same curve however this time stop before you get a magenta cast.
Take it a little bit further with the blue channel, give it an output of 150 as autochromes were more on the warm side of the colour palette.
To make your image even warmer open photo filter adjustment layer, this will act as if you have used a coloured filter on your lens. Autochromes use an additional special orange-yellow filter in the camera which is mainly to block ultraviolet light and restrain the effects of violet and blue light, Therefore choose a warming filter (85) and set the density to 50% (this can vary depending on your image).
Using the selective colour adjustment layer to modify specific colours. add 10% to the blacks, the whites have been darkened by the warming in the previous steps so to make them pop again give them a -100% value. (This will depend on your image).
Autochromes had subdued saturation, to achieve this open the Hue/Saturation adjustment layer and decrease the value of the master saturation by -20%. (You can change the saturation of specific colours depending on your image)
Once you have applying these colour adjustment layers you need to merge them together. Press SHIFT + CTRL + ALT + E (name this layer Noise) Convert this to a Smart Object by Right - clicking on the layer and selecting "convert to smart object" (by using Smart filters you will be able to correct and modify the degree in which you apply the Filter effects which gives you more control over your final image). A small icon will have been added to the preview image of your layer indicating that it is a smart object.
To add the noise to your image, click on Add noise filter (found in Filters > Noise > Add Noise. The amount of noise depends on the size of your image but keep it low. Make sure your image is set to 100% to see what the noise looks like. If you add too much and the image looks unrealistic, double click onto the Add Noise filter layer to readjust the value. Also set the Distribution to Gaussian for a more random noise structure.
To finish add some Gaussian Blur to the image (Go to Filters > Blur > Gaussian Blur) You want to blend the noise particles together. The value will depend on the size of your image and how much noise you have added to it.
When you have finished your palette should look like this
A before and after example

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