Column
Exposure
Light as a physical system: metering, dynamic range, colour temperature, flat light.
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The Meter Is Not Broken: Metering Snow When the Subject Lasts a Second and a Half
Everyone says +1 to +2 stops. The useful part is what moves the number — and why grey cards and bracketing are physically impossible on the subject this genre actually shoots.
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No Shade on a South Face: Alpine Contrast, and the Two Colour Temperatures of a Single Slope
Find shade, add fill, wait for golden hour: portrait advice that does not survive contact with a mountain. Snow in sun and snow in shade are lit by two different sources, in one frame.
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When the Mountain Disappears: Flat Light in Val Veny, and the Treeline That Saves the Frame
The commonest condition in the Alps and the least written about. With no directional light there is no shading gradient, so the slope stops existing — for the eye and for the autofocus alike.