You’ve seen the dreaded demon-eye effect that occurs when the camera flash bounces off the eye of a person or pet. An otherwise wonderful picture can be ruined by this. Technically, this is called red-eye and is caused when the pupil of your subject’s eye is wide open and the light from the camera’s flash reflects off the subjects retina. In people, the color ends up red; in pets, the color is often green.
Many photo editing programs include a red-eye correction filter, but this may not allow your photograph subject to appear “normal. These filters also do not work on the green effect produced in a pet’s eyes. Photo stores sell pens that are used to clear up red-eye, but again they are not always natural-looking and do not work on the green. The best thing is to prevent the demon-eye effect from the start.
It is rare to find a digital camera that does not come with a red-eye reduction feature. This feature can be turned off or on. It is best left on in all circumstances other than direct sunlight. The red-eye reduction feature works by flashing a short burst of light at your subject before you snap the picture. This burst of light causes the subject’s pupil to close and makes it less likely for the camera’s flash to reflect off the retina. This in turn reduces the chance of red-eye.
It also helps to direct the flash of your camera so it does not directly hit your subject’s eyes. Bouncing the flash off a nearby wall or other object will soften its effect and reduce the chances of this unwanted malady. Between bouncing the flash and using your digital camera’s red-eye reduction feature, your little angel, whether human or animal, will have eyes that don’t glow.
Thursday, August 4, 2011
Digital Camera Memory Card
Does it really make a difference what size memory card you use? To your camera, no; to you, however, it could mean the difference between getting the picture you want or running out of space on your memory card.
When choosing the most logical size, take into account how many pictures you usually take at a time. Your needs if you are a world traveler will be different from those of a person who only uses a camera for holiday get-togethers. You also need to decide how big the files are of the pictures you take. Smaller files such as pictures for online will take less space and enable you to fit more on a card. Larger files for printing will need more room.
If you have a 2 mega-pixel camera, 128MB is usually enough. For a 3 or 4-megapixel
camera, a 128MB or 256MB memory card is usually plenty. For a 5-megapixel camera, start with a 256MB memory card.
Here’s a rough guideline of how many pictures a flash memory card can hold:
*A 128MB flash memory card can store about 21-41 large, uncompressed images or up to 100 small, compressed images. This is good enough for most photographic needs.
*A 256MB card will store about twice that, 42-82 large pictures and nearly 200 smaller ones. Important events like weddings and once in a lifetime events might warrant this size just to make sure you don’t miss that one special moment.
A 1GB card has room for nearly 4 times as much as a 256MB card, If you are planning a long vacation with a lot of picture taking, this might be best with the capacity to hold 168-328 large images and a total of close to 800 smaller images.
Whatever you decide, remember you can always use several smaller cards and just change them when they are full. It only takes a few seconds to switch memory cards, so don’t panic if you don’t have a large memory card.
When choosing the most logical size, take into account how many pictures you usually take at a time. Your needs if you are a world traveler will be different from those of a person who only uses a camera for holiday get-togethers. You also need to decide how big the files are of the pictures you take. Smaller files such as pictures for online will take less space and enable you to fit more on a card. Larger files for printing will need more room.
If you have a 2 mega-pixel camera, 128MB is usually enough. For a 3 or 4-megapixel
camera, a 128MB or 256MB memory card is usually plenty. For a 5-megapixel camera, start with a 256MB memory card.
Here’s a rough guideline of how many pictures a flash memory card can hold:
*A 128MB flash memory card can store about 21-41 large, uncompressed images or up to 100 small, compressed images. This is good enough for most photographic needs.
*A 256MB card will store about twice that, 42-82 large pictures and nearly 200 smaller ones. Important events like weddings and once in a lifetime events might warrant this size just to make sure you don’t miss that one special moment.
A 1GB card has room for nearly 4 times as much as a 256MB card, If you are planning a long vacation with a lot of picture taking, this might be best with the capacity to hold 168-328 large images and a total of close to 800 smaller images.
Whatever you decide, remember you can always use several smaller cards and just change them when they are full. It only takes a few seconds to switch memory cards, so don’t panic if you don’t have a large memory card.
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