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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] Every camera lens has a multi-bladed diaphragm called the ''aperture.'' The aperture opens to different diameters to permit more or less light into the camera. A measure of that diameter is called the "f-stop." Here is 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.
+ [* 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 chances for a blurry photo.