The purpose of this exercise is to show the effect of different reflective surfaces on contrast and shadow fill in an image.
By creating a simple still life and placing a light source to one side and at a 90 degree angle to the camera various types of reflective surfaces are used to fill the shadows. Both shadow and highlights are required in an image to illustrate texture and reveal shape and contour.
|No reflector - light source at 90 degrees.|
|Black reflector - opposite light source.|
|White reflector at 3 feet.|
|White reflector at 1.5 feet.|
|Matt silver reflector|
|Smooth shiny silver reflector|
|Crinkled silver reflector|
Diffused light source
|Diffused light source|
In addition to the images showing the effects of various reflectors, diffusing the light source itself can also reduce contrast in an image.
The results are as I expected with the most efficient shadow fill being created by the crinkled silver reflector and the black "reflector" creating the highest contrast.
Whilst working on this exercise I remembered visiting Edward Weston's exhibition in Edinburgh and being amazed at the images on display. His black and white images are a great example of high contrast images and the use of shadow to create depth and form.