Oily film / Black Gutter : 無料・フリー素材/写真
Oily film / Black Gutter / treehouse1977
ライセンス | クリエイティブ・コモンズ 表示-継承 2.1 |
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説明 | A sideways look at the surface of Black Gutter, on the path from Deadman Hill to Leaden Hall. I'm presuming this is a natural oily film; there's been little rain and the stream is low, little flow.This is one of my 'colour' selections, coming from a physicist's point of view - the oily substance on the surface creates a 'thin film' which is about the same thickness as the wavelengths of visible light. Constructive and destructive interference of the different wavelengths of daylight produce this colourful display which varies with viewing angle and film thickness. The purplish tinge has a lot in common with the purple tinge of 'anti-reflection coated' spectacle lenses or camera lenses. |
撮影日 | 2007-06-13 07:55:08 |
撮影者 | treehouse1977 , Southampton, UK |
タグ | |
撮影地 | |
カメラ | SP500UZ , OLYMPUS IMAGING CORP. |
露出 | 0.001 sec (1/800) |
開放F値 | f/3.3 |