Exercise 4.1

Set your camera to any of the auto or semi-auto modes. Photograph a dark tone (such as a black jacket), a mid-tone (the inside of a cereal packet traditionally makes a useful ‘grey card’) and a light tone (such as a sheet of white paper), making sure that the tone fills the viewfinder frame (it’s not necessary to focus). Add the shots to your learning log with quick sketches of the histograms and your observations.

Set your camera to manual mode. Now you can see your light meter! The midtone exposure is indicated by the ‘0’ on the meter scale with darker or lighter exposures as – or + on either side. Repeat the exercise in manual mode, this time adjusting either your aperture or shutter to place the dark, mid and light tones at their correct positions on the histogram. The light and dark tones shouldn’t fall off either the left or right side of the graph. Add the shots to your learning log with sketches of their histograms and your observations.

I found this exercise difficult – even when following the instructions, I found it difficult to photograph white – my resulting image not being white, but more grey! The distortion around the corners by the lens also became apparent.

White:

329A2480.jpg

White histogram:

white

Midtone:

329a2482

Midtone histogram:

midtone

Black:

329a2485

Black histogram:

black

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