This diagram shows the anatomy of a DSLR camera  











This diagram shows how light travels through the DSLR camera 















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Susan Derges photogram

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Susan Derges  Derges was born in London in 1955, and is an English photographer. She studied painting at the Chelsea Collage of Art and Design  for 3 years, she then went on to studied at the Slade School of Art  for another 2 years. She then turned to photography where she explored different cameraless techniques,  such as imprinting images directly onto photographic paper using either natural or artificial light. Techniques she has continued to concentrate on and develop to this day. For 4 years she lived and worked in Japan, where she received a Rotary Foundation Award. She then continued to  carry out postgraduate research at Tsukuba University .   As Derges trained in painting, she had always expressed an interest in abstract art  because "it offered the promise of being able to speak of the invisible rather than to record the visible"[1].  She chose to focus on cameraless photography after experien...
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