SHOOTING FORMATS #0.2: Héliographie

Following the Camera Obscura’s live projected image, the next break through came in the successful attempt to capture it.

Nicephore Niepce achieved this is in 1826 by putting Bitumen, a gloopy black tar-like substance that goes hard in light, on to a pewter surface. After an 8 hour exposure (deduced clearly from the sun lighting the building on both sides) the Bitumen had hardened where exposed to more light, while the less exposed Bitumen was able to be washed off with the oil of lavender- so only the exposed areas remained.

The image had been recorded and the concept of chemical reaction to light to do so was now the next step forward.



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