Dye Transfer Printing
I was interested in this type of printing after visiting the William Eggleston exhibition at the National Portrait Gallery.
Several of the prints displayed were dye transfer prints and I wondered what the technique was. Continue reading Dye Transfer Printing
Minilith can be found in my Homage posting
I created this image in a attempt to mimic the type of image created by Ansel Adams in the American west.
In order the create this I first needed a background shot, and I took this looking across a valley in Wales.
Continue reading Creating ‘Minilith’
A couple of other students have asked me how I managed to add the histogram to my images on my blog.
Here is one way to do it. I’ve used Photoshop as an example but it can be done in any photo editor which can display a histogram. Continue reading Adding your histogram
The zone system for calculating correct exposure, was devised by Ansel Adams and Fred Archer in 1940. It is based around the use of a simple exposure meter which takes average readings of the light from the subject and background.
For simplicity we will consider only black and white photography, which was Adams forté.
Continue reading The Zone system
Jpeg stands for Joint Photographic Experts Group and has become the default file format for digital photography and for the internet.
The Jpeg format, whose files are recognisable by their .JPG file extension, are lossy compressed files which means that the data is squashed in such a way that the original file can never be recreated precisely. As such they are not recommended as intermediate files when editing, as each time they are saved some more of the image data is lost.
However the advantage of the Jpeg format is that it can create reasonably small files with a full spectrum of colour, unlike other compressed formats such as .GIF which have a limited palette.
Continue reading How jpeg works