Sublime

The third important characteristic of a photographic light is its contrast. A light source has high contrast if its rays all strike the subject from nearly the same angle.

That this is not what we see is because every material absorbs light differently or converts it into other kinds of radiation. Only the wavelengths that remain are refracted and reach our eyes. Therefore, the color of organisms and objects is dictated by the color of the reflected light. And in the case of leaves on trees, this color is green. But

Transparence is the highest, most liberating value in art—and in criticism—today. Transparence means experiencing the luminousness of the thing in itself, of things being what they are.

The accurate estimation of heights and distances in the Antarctic is always difficult, owing to the clear air, the confusing monotony of coloring, and the deceptive effect of mirage and refraction.