Theory Notes
Fill in Flash, Built in flash, Flash guide numbers
Usually the flash is used when there is not enough light. People usually don't use the flash during the day time because then you have the natrual light, and when it is used during day light it can make the picture over exposed, and it will not have a good composition. This is is when the Fill-in-flash is used.
Fill in flash is used when there is not enough light on a specific subject in the picture. Usually the fill in flash is needed when a person is taking a picture in a place with a lot of shadow and they need that bit of extra light, that the natrual light is not providing, to make their picture have a good composition.
This picture is taken without a flash, and as you can see, the face cleary has a dark shade, and it makes it hard to see the person's face correctly.
This picture is the same picture, but then it was taken with a flash, even though there was natrual light available.
As you can see, there is quite a difference in the lighting in the man's face, and the flash obviously helps, because it has given light in the subject's face.
Fill in Flash, Built in flash, Flash guide numbers
Fill-in-Flash
Usually the flash is used when there is not enough light. People usually don't use the flash during the day time because then you have the natrual light, and when it is used during day light it can make the picture over exposed, and it will not have a good composition. This is is when the Fill-in-flash is used.
Fill in flash is used when there is not enough light on a specific subject in the picture. Usually the fill in flash is needed when a person is taking a picture in a place with a lot of shadow and they need that bit of extra light, that the natrual light is not providing, to make their picture have a good composition.
This picture is taken without a flash, and as you can see, the face cleary has a dark shade, and it makes it hard to see the person's face correctly.
This picture is the same picture, but then it was taken with a flash, even though there was natrual light available.As you can see, there is quite a difference in the lighting in the man's face, and the flash obviously helps, because it has given light in the subject's face.
Built-in-Flash
Built in flash has positive points and negative points in all. The built in flash is a very handy thing to have, and all digital camera's have it. Some of them will pop open and the others are already there.
This is a digitial camera with a "pop up" flash
Sometimes the flash can be too strong and can have a harsh shadows, so one thing that you can do is to diffuse the flash. To diffuse the flash all you have to do is tape a piece of small cotton on the flash, which will create a softer light.
One big problem that is often seen in many pictures is the Red Eye effect.
This happens because the flash tube is too close to the lense, meaning when a person is looking into the lense they have a lot of light shining on their eyes. This usually happens with compact camera's.
Flash Guide Numbers
This is a digitial camera with a "pop up" flashSometimes the flash can be too strong and can have a harsh shadows, so one thing that you can do is to diffuse the flash. To diffuse the flash all you have to do is tape a piece of small cotton on the flash, which will create a softer light.
One big problem that is often seen in many pictures is the Red Eye effect.
This happens because the flash tube is too close to the lense, meaning when a person is looking into the lense they have a lot of light shining on their eyes. This usually happens with compact camera's.
Flash Guide Numbers
Flash guide numbers are used to see what the exact exposure is when using a manual flash and when not having a flash meter. The higher the guide number will be, the higher the flash will be, meaning it will have more power than if it was at a low number. These numbers are also connected with the film speed, and that is what they depend on.
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