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Posts: 15,341 Join Date: Apr 2005 Location: Fort Worth, Tx, Real First Name: Tom Camera: canon Can Others Edit My Photos: Yes iTrader Rating: 24 LIKES Received: 5 LIKES Given: 0 |
05-09-2009, 03:02 PM
You are referring to what is called the "golden hours" of daylight. Since the sun is lower on the horizon the rays have to pass through a lot more atmosphere than when it is directly over head. This causes the bluish spectrum to bend away from the earth and the reddish spectrum to bend toward the earth. The light is much "warmer" in color.
Also, you can't look directly at the sun at noon, but can usually look briefly directly at it just before sunset. Same reason, low angle equals lots of atmosphere for the light rays to pass through.
If you were shooting with a strobe, you wouldn't usually put it directly over the head of the subject because that would cast a bad shadow. You'd put the strobe to the side and a little higher than the subject to get a nice pleasing affect. If the sun is the light source, when it is off to the side and slightly above the subject ( an hour or so before sunset, or an hour or so after sunrise) you get the most pleasing affect. |
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