Time of day can affect the image more than any other external conditions. If the sky overcast, the light does not differ much from morning till afternoon. But if there is sun, dramatically different lighting conditions occurs during the day. In the morning, the facade may be in the shade, but in the afternoon, it may be in direct sunlight. In addition, the time and determines how the objects of the environment given their shadows. Some buildings wedge in particular, to the extent Sun illuminates only certain parties at the time of the attacks. If the photographer is not familiar with the situation, it is desirable to study the building and its surroundings on the maps and satellite photos (via Google Maps, etc.) before the shoot happens.
Extremely powerful moment for architectural image is the “blue hour” (L’Heure Bleue). This applies to the time between sunset and darkness. Immediately after sunset, the sky is still indirectly lit, artificial light does increase the appearance. This is a special mood, shows the sky in brilliant colors in combination with indirect and diffused light. It is not yet night, and the dark region are still visible. The effect is caused by the diffusion of light coming from the sun under the horizon. The same effect can be observed in the early morning.
At nightfall, the removal of light happens inside and around the building. Because of reflection and dark room, it is often impossible to see into the building during the day. But at night, the building radiates from within. With adequate lighting, you can see part of the interior. During the day, windows are often dark part of the facade, but at night they turn into shiny, transparent surfaces. In contrast to the dark region the facade now seem dark and devoid of color. Because of the large difference between light and dark areas, the dynamic range of photos should clearly document the true appearance of the building.
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