Look at a barcode through the webcam to determine its range of focus : 無料・フリー素材/写真
Look at a barcode through the webcam to determine its range of focus / jeferonix
| ライセンス | クリエイティブ・コモンズ 表示-継承 2.1 |
|---|---|
| 説明 | Rotate the camera lens to adjust the focus. You may need to *gently* use a pair of needle-nosed pliers at first. Anything between around 4-11 inches away from the lens should be in focus. This means your slot will be in focus when it's installed opposite the camera. |
| 撮影日 | 2011-10-26 14:09:59 |
| 撮影者 | jeferonix , Lima, Peru |
| タグ | |
| 撮影地 | |
| カメラ | Canon PowerShot SD4000 IS , Canon |
| 露出 | 0.02 sec (1/50) |
| 開放F値 | f/2.8 |
| 焦点距離 | 15392.40506 dpi |