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| + | [title] f-stop |
|---|---|
| + | [* black] Every camera lens has a multi-bladed diaphragm called the ''aperture'' that opens to different diameters to let more or less light into the camera. A measure of that diameter is called the "f-stop." Here's a quick rundown on what the f-stop setting on your camera will do to your photos. |
| + | [* black] Image 1: f-stop of 3.2. Notice how the Canon camera in the background is out of focus. |
| + | [* black] Image 2: f-stop of 8. The Canon camera is now more in focus, as are parts of the ruler. |
| + | [* black] Image 3: f-stop of 16. The Canon camera is now mostly in focus. |
| + | [* black] So why not shoot at f/16 all the time? |
| + | [* black] Two costs: image quality (higher f-stop settings result in less-sharp images overall), and shutter speed. Higher f-stop settings require a longer exposure to capture the same amount of light, increasing the chance that your photo is blurry. |
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