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Sigma6
ANSWERS: 5
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The best way to avoid red-eye is to have the flash as far away from the lens as possible. If you can mount an external flash onto the flash bracket, use that instead of a built-in or pop-up flash. Similarly, you can use bounce mode to make the light fall on the subject at a different angle/direction from the lens. If you can get away with raising the ISO, widening the aperture, and/or lowering the shutter speed so you can do without a flash, you can avoid red-eye altogether.
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Red eye is caused by the flash hitting the back of the retina and reflecting into the lens. One way to aviod this is to move the flash away from the lens. Another way is to make the pupils contract. Shooting in good light will help. Most digital cameras have a redeye setting. The flash is made to strobe a few times then the picture is taken. The strobing causes the pupils to contract. Also some software has redeye reducing, You can do this in photoshop if you know what you're doing.
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Red eye is caused by the flash directly reflecting off the pupil of the eye. One solution not mentioned yet is to have the subjects try looking slightly away from the lens. Look slightly above or to the side. This way the flash is not reflecting directly and the red eye effect should be greatly reduced.
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Use a filtered lens
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Many cameras have an anti-red-eye flash mode that sets off a preliminary burst of flash to contract the pupils of the subject before the main flash picture is taken. You can try using ambient light or try having your subject look at your shoulder rather than directly at the camera. There are many software packages that will eliminate red eye after the photo is taken. Adobe Photoshop and its cheaper cousin, Photoshop Elements have great tools that do just that. The free software that comes with many digital cameras, iPhoto from Apple and many free downloadable programs all have red eye reduction filters that are easy to use.
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