
3D projection technology has been around for many years, but it has only recently become more popular with the release of affordable passive 3d projectors. If you are interested in purchasing a passive 3d projector, you may be wondering what the best option is for you. In this guide, we will answer common questions about passive 3d projectors.
What is the advantage of a 3D projector?
3D Projector vs 3D Television: What’s the Difference?
The most significant advantage is the size. Even a big television, such as a 50-inch TV, isn’t going to provide the same level of immersion as a projected image. A typical home theater will have a screen size of 2 or 3 meters wide that fills your vision and creates a genuine 3D experience.
3D Projector vs Real 3D Cinema
3D cinema projects two pictures at the same time through cheap passive 3D glasses that block out two images and transmit one to each eye. Although this method generates a three-dimensional image, it ends up being blurry.
Active shutter glasses are a type of 3D projector that uses rapid reversals to produce a bright, clear image. The projector still shoots two pictures but they’re switched in and out rapidly. The viewer’s eyes are then directed to the projector, where they’re guided toward one eye or the other. The glasses wirelessly communicate with the projector and select which picture will be shown to which eye. All that the audience sees is a clear, crisp 3D image.
What is the Difference Between a 3D Projector and a 2D Projector?
All of your existing 3D films will play on a 3D projector. There’s nothing to be lost by having a projector with 3D capability; it’s simply another feature.
What is 3D Projection and how does it work?
The newest advancements that provide the most exciting experience utilize active glasses, which interact with the projector to generate an immersive 3D picture on the screen.
Whether they’re using one of the new 3D LCD screens, LED TVs, or a 3D Ready Projector, they all work on the same idea. To the audience, it appears to be seamless and the image is fantastic. To create the 3D picture viewed through active glasses, you project two images on the screen at once.
The picture is in fact considerably better than you’ll see in a 3D film at the cinema, since they only utilize passive 3D polarized glasses, which, while not as sharp, are nevertheless superior to cheaper. Active shutter glasses won’t be required for a 3D home theater with a digital projector. These cost around $100, but they provide a significantly superior picture quality. The active shutter glasses will first block vision in one eye while an image is displayed on the screen, then they will block the other eye. 3D Blu-ray is comparable to this technology. For example, the projector may display 200 or more still pictures per second, resulting in a three-dimensional picture. The process is demonstrated above using the acronym ‘DLP Link,’ which refers to integrating the transmitter into the projector.
Direct 3D
3D Home Theatre 3D projectors can be linked directly to a 3D blu-ray player (via HDMI 1.4 cables) and then with the use of some 3D glasses, you’re good to go. These projectors might also connect to 3D game consoles like the PlayStation 3.
DLP Link
The third approach to generating a 3D image on certain projectors is via the DLP Link. This is a novel technology that uses active shutter glasses in addition to active shutters, but the glasses communicate with the projector directly. The projector encodes a signal in the on-screen picture that tells the glasses which eye is intended for. DLP Link is designed to be used mostly for presentations, and all software and programs must be purchased with 3D formatting, which adds significantly to the expense.
Other opinion: nVidia 3D Vision
To utilize this software, you’ll need an nVidia 3D ready graphics card. You’ll also require the nVidia 3D vision kit, which includes active shutter glasses and the emitter that tells the goggles which eye each signal is intended for. This will allow certain projectors to play 3D games, view photos taken with a 3D digital camera, and, with the correct hardware and software in the computer, watch Bluray 3D movies.
Are there any disadvantages I should be aware of?
Although it’s a fantastic new technology, there are some criteria that go along with it:
- Everyone will require the 3D active shutter glasses (about $100).
- Only material/movies/presentations created or recorded in 3D will show in 3D. They will still play typical films, but they will not be shown in 3D since they were not produced that way.
- To show a 3D image, your computer must first be updated with the necessary hardware and software.
What do i need?
There are currently just a few projectors that can directly connect to a Bluray payer to create a 3D image, with prices ranging from $3 to $10k. The following are the two 3D systems accessible on less expensive projectors: “DLP Link” and “Nvidia 3D Vision.”

