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Red-eye effect


The camera records this reflected light. The main cause of the red color is the ample amount of blood in the choroid which nourishes the back of the eye and is  ...

What Causes Red Eyes in Photos and How to Fix the Red Eye Effect


The appearance of red eyes in pictures, known as the "red-eye effect," occurs when a camera captures light reflecting from the retina at the back of your subject's ...

Camera Red-Eye - Science Updates - Science NetLinks


Taking flash pictures of someone often gives their eyes a scary-looking red glow. You'll find out why in this Science Update.

Diagnosing Children's Eye Problems from Photographs - Eye M.D. ...


Jul 28, 2014 ... Photos Can Help Diagnose Children's Eye Problems & Save Sight ... A red reflex is produced when the flash of a camera lights up the ...

Red-Eye Reduction


If the angle of reflection is less than 2.5 degree, red eye will occur. ... When red- eye reduction is in effect, do not move the camera immediately after the shutter ...

What Causes Red Eyes In Photographs - Today I Found Out


Sep 15, 2011 ... Today I found out what makes your eyes red in flash photographs. ... For instance , camera's with red eye reduction settings use a two flash ...

Why do people have red eyes in flash photographs? - HowStuffWorks


The flash on a camera is bright enough, however, to cause a reflection off of the retina -- what you see is the red color from the blood vessels nourishing the eye.

What Causes the Red Eye Effect? | Yale Scientific Magazine


May 12, 2011 ... The red-eye effect appears when flash photography is used at night ... of the eye's biology interacting with the camera's lighting mechanism.

What Causes Red Eye In Photographs? - The Naked Scientists


Dec 6, 2009 ... I have a question about "redeye" when taking a picture using a camera. I've recently started the task of correctly sorting through all by digital ...

What causes Red Eye and how can I reduce it? - Nikon Service and ...


Sep 20, 2002 ... Most Coolpix cameras offer an In-Camera Red-Eye Fix reduction process. This powerful Nikon technology analyzes the image automatically ...

Popular Q&A
Q: In your experience, what's the best way to avoid camera 'red eye?
A: This is why professional photographers have their flash mounted on a bracket above the lens. (Well, that and shadow control!). You might try a diffuser. Tape a ... Read More »
Source: uk.answers.yahoo.com
Q: Best Camera For Red Eye?
A: Probably the cheapest way is to shine a bright LED torch at your subjects for a split second, then take the shot with flash... You can buy small ones that are q... Read More »
Source: answers.yahoo.com
Q: What makes cameras capture red eye?
A: The red-eye effect occurs when using a photographic flash very close to the Read More »
Source: www.chacha.com
Q: Why does the camera show red eye?
A: The reason some cameras create red-eye has more to do with the size of the camera. The closer the flash is to the lens, the more likely you'll get red-eye. The ... Read More »
Source: answers.yahoo.com
Q: How Does a Flash From a Camera Make Some People's Eyes Red?
A: Red-eye occurs when using a camera flash in a low-light situation on subject looking directly into the camera lens. It happens because light from the flash refl... Read More »
Source: www.ehow.com