What is Black light?
Blacklight photography is a series of black and white images that have quite harsh contrasts and tones.
Keld Helmer-Petersen
Born in Danish on the 23rd August 1920 and dying on 6th March 2013. He was most known for his abstract colour photographs in the 1940s and 50s. Interestingly, he became part of the US Camera Annual in the 1940s and gained interest with German Inter-war photography (New Objectivity movement).
Process
Firstly, we start by opening up the image we want to use by going to File > Open and then look for the image you want to use. For purpose of this project i will use this image:
We then go to Image > Adjustments > Threshold:
As a result, this threshold window should pop up:
As you can see, there is a little arrow at the bottom; drag it along and you will be experimenting with the threshold tool. Adjust it appropriately. For example:
Once you are happy with your result, go to File > Save As and save your image.