All About Camera Aperture
If you’re just starting out learning photography, then you’ve probably noticed that photographers have a language all their own. Camera aperture is just one of those common photography terms that gets used a lot without much explanation. Not to worry though, for we’ve compiled a handy beginner’s guide to aperture that should help shed a little light on the subject. Here is a breakdown on what aperture is, how it works, and why you want to use it:
Camera Aperture Explained
Put simply, aperture is an opening in your lens that allows light to come into contact with your film. This opening can be adjusted by using your camera’s F-Stop, or if you have a digital camera by tinkering with some of the manual settings. Some digital cameras even have a fixed aperture mode that lets you pick the aperture and the camera automatically figures out the other settings.
Aperture is measured in “F” numbers, which usually show up on your camera as F8 or F/8 or some variation on the theme. As the value of the F goes up, the amount of light allowed into the camera goes down. For example, an F value of 1/4 is a wide open aperture while 1/22 is considered as closed as possible.
What Does Aperture Do?
Your camera aperture can make a significant impact on the quality of your photograph and how it looks displayed in different picture frames. A closed aperture will allow very little light into the camera, which will in turn give you the opportunity to expose the film for a longer period of time. Adjusting the F value is an effective way to use slow shutter speeds and long exposures without overexposing your image.
Additionally, using aperture allows you to react on the fly to changes in lighting. If you’re shooting in a very bright environment, a high F value (very closed) will provide you with the ability to use slower shutter speeds. On the flip side, when photographing in low light environments, opening up the aperture with a very low F value will give you more flexibility in shooting the image and will often prevent the use of a flash.
When is a Good Time to Change the Aperture?
Although you can change the aperture any time, it’s not something that you have to change. Many SLRs adjust the aperture automatically to great success making it easy not to worry about it. However, if you want more direct control over the depth of field in your image then you can manually adjust the camera’s aperture. An open aperture will show very little depth of field (subjects that are near the camera will be very clear while the rest is very blurry), while a closed aperture will make your photographs seem more detailed. And don’t forget to frame your photos in simple wood picture frames so they’ll stand out.
Knowing how to adjust your aperture and when to best use it is a powerful tool to have in your photographer’s toolbox. One way to see how it affects your picture is to take two images – one with a low F stop and one with a high F stop. Aperture is a great way to expand your creativity with the simple change of a setting.
Review: Pure Digital Technologies’ Flip Video Camera
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