IMGP8501 : 無料・フリー素材/写真
IMGP8501 / mattbuck4950
| ライセンス | クリエイティブ・コモンズ 表示-継承 2.1 |
|---|---|
| 説明 | Professor Phil Rippon of the Open University prepares to give his presentation "Slow escaping points of transcendental entire functions" at the Workshop on Function Theory and Dynamical Systems at University College London. He is seen here talking to Professor Rod Halburd of UCL, while the session's moderator cleans the previous lecture off the board. |
| 撮影日 | 2010-09-08 16:57:10 |
| 撮影者 | mattbuck4950 , London, United Kingdom |
| タグ | |
| 撮影地 | London, England, United Kingdom 地図 |
| カメラ | PENTAX K-x , PENTAX |
| 露出 | 0.02 sec (1/50) |
| 開放F値 | f/4.5 |
| 焦点距離 | 40 mm |