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Full Version: 3D Glasses Work
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How Do 3D Glasses Work?
How Does Our Binocular Vision Work?
Binocular vision lets humans tell the distance of an object up to 20 feet
If you can see 20 feet away you have 20/20 vision
How Does Binocular Vision Work Continued
Binocular vision is dependable on the distance between our eyes
Each eye sees and image at a slightly different angle
How Does Binocular Vision Work Continued
The brain takes the information from each eye and combines them into one image
Difference of angles makes image have depth
How Do Anaglyph 3D Glasses Work?
The purpose of 3D glasses is to filter a separate image into each eye
How Anaglyph Glasses Work Continued
On the screen, one blue image and one red image is displayed
The lenses only let one image into each eye
How Anaglyph Glasses Work Continued
The red image goes in the red lens and the blue image goes in the blue lens (color separation)
How are Polarized Glasses Different?
Polarized lenses are both a gray color and unlike anaglyph glasses, let color through
The lenses are specially cut at opposing 45 degrees
How Do Polarized 3D Glasses Work?
Two images are projected on the screen and each one has a different polarization
How Do Polarized 3D Glasses Work Continued
The polarized glasses allow only one of the images into each eye because each lens has a different polarization.
How Are Pulfrich Glasses Different?
These glasses use the concept of one dark and one light lens to form 3D images
How Can A Light And Dark Lens Form A 3D Image?
The image through the dark lens reaches the brain slightly after the image that went through the clear lens, creating a 3D illusion
What Does LCD Stand For? What Is It used In?
LCD stands for Liquid Crystal Display
Lenses of the 3D shutter glasses are made of LCD panel
What Are LCD Shutter Glasses?
LCD shutter glasses are a type of electronic 3D glasses
They are used to view 3D images on a computer screen
How Do LCD 3D Glasses Work?
First, two images are displayed on a screen, each image for a specific eye
The images are shown rapidly
While the the image for the left eye is shown, the right eye is blocked by the glasses, and vice versa for the right eye
As you can see, each lens can be turned off separately
This happens extremely fast ( 60 flashes per second)