How a 3D Pocket Camcorder Works
Learning how a 3D pocket camcorder works can help you understand which kind of 3D pocket camcorder is best for you. In order to obtain the right kind of 3D video or image, it is important to ensure that your 3D pocket camcorder makes use of two lenses as well as an equal number of sensors that will then capture 2 sets of images. This in turn helps the device to create a stereo effect that can make you think that you are looking at images that show height depth and width.
A typical 3D pocket camcorder will be equipped with a pair of lenses that will need to work in a complementary manner with each other. The lenses along with the 3MP image sensor will do the recording of images in a unique manner. Once the images are captured, they will then be entwined so that a video anaglyph is created. The video anaglyph is a method that does the encoding of three dimensional images into a single picture. The technique used is that of superimposition of two pictures on each other.
The videos produced by the camcorder will then be recorded in a certain pixel resolution (typically, 640 x 480) and this is then saved as an AVI file. The 3D camcorder is also able to make use of external memory via an SD card slot.
Typically, a 4GB SD card will give you a maximum of four hours of video playing time or roughly 2,000 three dimensional images.
When the three dimensional content has been recorded, you can then view it on your pocket camcorder which typically is equipped with a 31/4 inch TFT display. There is also a 7 inch screen on which you can view movies and do so without needing to wear special 3D glasses. The reason for this is that the screen has been especially designed with a parallax barrier. This particular design does the necessary embedding of polarized glasses on the display. These polarized glasses perform the same functions as do normal 3D glasses and hence if a 3D camcorder uses Parallax Barrier technology, there will not be any need to wear 3D glasses.
A device called the Parallax Barrier allows LCD (liquid crystal display) to show images in stereo without the viewer needing to wear three dimensional glasses. It is basically a material which is placed in a layer in front of normal LCD and with a few precisely placed slits, which ensures that the human eye sees different pixel sets to experience a sense of depth. However, in order for Parallax Barrier to work, the viewer has to be positioned in a certain spot where he will get to experience the true three dimensional effects.
An understanding of how the 3D pocket camcorder works will help you understand that it is not always necessary to purchase 3D glasses in order to view 3D images through your pocket camcorder. It is, however, a good idea to first buy a three dimensional HDTV and then purchase your 3D camcorder so that you can connect the two and view true 3D images. Otherwise, you will be stuck with viewing movies and images on a small screen.