It is similar to ISO and is a measure of a film's sensitivity to light (or graininess of digital images). It is just a different standard organization than ISO.
ISO=International Organization for Standardization.
ASA=American Standards Association or something like that.
Discussed here also:
What_does_ISO_stand_for_in_cameras
the F numbers usually refer to the aperture of the lens which controls how much light can enter the camera. it also affects the depth of field.
The functional opening is the aperture, the opening that controls the amount of light that hits the photosensitive surface. You may have a camera with interchangeable lenses that screw into and out of the camera's body. The opening into which the lens is screwed is not the aperture.
The aperture setting refers to the iris of the camera lens. Like that of your eye, it opens and closes, regulating the amount of light entering the camera body and exposing the film. I always remembered it like this: "The smaller the number (aperture setting), the bigger the hole" and vice versa. If you are in a darker room you need to turn the aperture down to allow more light in so that your prints do not turn out under exposed. You can also adjust your speed setting in correlation with the aperture setting to create greater/less depth of field, meaning what is in or out of focus in front of or behind your subject.
Digital camera is better. Canon EOS 5D Mark II If you're looking for an excellent, full-frame DSLR, the 5D Mk2 is very, very good. It's at least 1 full F-stop more sensitive to light than my Canon 1DS Mk2. A setting of ASA 800 or 1000 yields about the same noise level as my older camera at ASA 400. It's autofocus system is very fast and accurate on single shot mode. -Much better image quality than 1Ds Mkii and iii.
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Auto setting is used for general photography When you are using your camera in ways that YOU do not need to take control Auto setting is best applied
This one is the best digital cameras. Digital camera is better. Canon EOS 5D Mark II --> If you're looking for an excellent, full-frame DSLR, the 5D Mk2 is very, very good. It's at least 1 full F-stop more sensitive to light than my Canon 1DS Mk2. A setting of ASA 800 or 1000 yields about the same noise level as my older camera at ASA 400. It's autofocus system is very fast and accurate on single shot mode. - Much better image quality than 1Ds Mkii and iii.
camera
You can use your camera outdoors just look at the setting what setting do you like for you pictures and you can also check online for more information and tips on how to use a camera.
There are settings under the menu that you go to and they have a time setting function for the camera.
Get a camera put on the video setting and press record
the brightness setting
you get into the shade
The best thing to do is find a camera that has a snow setting. Amazon sells a Canon Powershot SX240 and a Fujifilm FinePix both of which offer this setting.
THere is no difinitive answer as it depends on the setting used on the camera and the size of the picture taken.
It depends on the camera setting.Many cameras have a setting A or Av that lets you change the f-stop and the camera will change the shutter speed automatically.The manual setting (often M) will not change the shutter speed, on manual you are left to your own devices.See related link for an overview of common settings.
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