Two-lens 360 cameras are best suited for most business and consumer applications, including 360° videoconferencing, remote inspections, virtual tours, and process training, while multi-lens cameras are typically used only by professional 360-degree videographers.

When it comes to capturing every angle of the action, a 360 degree camera is the ultimate tool. These innovative devices allow you to record immersive, panoramic footage that puts viewers right in the middle of the action. Whether you're a professional videographer looking to push the boundaries of storytelling or a casual user wanting to capture unforgettable moments, a 360 degree camera opens up a whole new world of possibilities. With advanced features like live streaming and virtual reality compatibility, these cameras are perfect for anyone looking to take their content to the next level. If you're ready to elevate your photography and videography game, it's time to consider adding a 360 degree camera to your arsenal.

360-degree cameras typically have multiple, wide-angle (“fisheye”) lenses arranged in a carefully designed circular geometry, which allows them to capture a complete panoramic view with a single synchronized exposure. Different manufacturers use different hardware designs, with two major design approaches.

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360-degree cameras and their unique ability to capture an entire space and surroundings have brought on many new opportunities and applications for businesses across industries. These use cases go beyond the typical 360° tours you may see of your local business, but more sophisticated solutions such as 360° Video Conferencing, Digital Twins, Remote Inspections & Audits, Live Virtual Tours, Remote Training, and more.

”Stitching” is the process of lining up the images captured by multiple sensors to create a single spherical image, with a seamless blend where the various captures meet. All 360-degree cameras capture a certain amount of overlap between the separate lenses - usually between 10-30 degrees of the visual field - to enable a good stitch. But it is mathematically impossible to have a “perfect” stitch due to the parallax between the two lenses. (You can visualize the problem by looking at a scene with objects at multiple depths, and then closing one eye and then the other.) So all stitching algorithms make compromises in one way or another; the most computationally complex approaches will make nearly any stitch look good.

Whether captured with two or more lenses, 360-degree content must typically be “stitched” and “stabilized” before it can be used. These are computational processes that some cameras can process in real time, while others require a separate post-processing step on the camera itself, or on a connected mobile device or computer.

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Multi-lens 360 cameras are more complex and expensive than their two-lens brethren, but offer the potential of much higher capture resolutions - as high as 20k - and the ability to capture stereoscopic 360° images and video. They also typically require extensive post-processing of capture due to the difficulty of “stitching” the many images.

There are several popular video platforms which support 360-formatted content, including perennial favorites like YouTube and Vimeo. But not all 360° Video Platforms are created equal.

Images and videos in this format can be displayed on a variety of devices, including smartphones, computers, VR headsets, and even immersive rooms like the ones available from our partner Igloo Vision. Read more about the Avatour x Igloo Partnership here.

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Standard cameras, like the one on your smartphone, typically have a field-of-view, or the area that is visible through the camera, of about 60-90 degrees. Even a “wide angle” lens generally covers only 100 degrees or so.

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Two-lens 360 cameras, such as the one provided in the Avatour hardware kit, offer a very straightforward solution. They utilize two ultra-wide fisheye lenses, one on each side of the camera, each typically covering about 200° of the visual field. The lenses work together to cover the entire 360-degree field on two 180–degree opposed frames. This is the simplest and cheapest 360-degree camera design, and also enables the most compact device. However, cost-effective image sensor chips are generally 4k, or 3840x2160, so most two-lens 360° cameras are limited to 5.7k resolution. Also, because of the lack of parallax, two-lens designs are unable to capture stereoscopic (3D) content. (Yes, there’s a difference between 2D and 3D in 360 capture! This is a topic for another day.)

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Since 360° images and videos are stored in a special projection format, they require special treatment when displayed and shared. Not all devices, video players or platforms can support 360. If you've captured your own 360 videos and images, you'll have to pay attention to how to share it.

After stitching, 360° videos are usually also “stabilized.” This process compensates for any rotation of the camera, and makes sure that the horizon is stable. In some ways this is similar to a gimbal on a standard ”flat” video camera, and makes the captured footage much more useful.

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How can you reduce carbon footprints with 360° remote collaboration? The simplest answer pertains to lowering travel frequency and thus cutting down on fuel consumption, a significant contributor to so-called "scope 3 emissions."

The equirectangular projection is quite similar to the familiar Mercator projection that is used to display the map of the world, and shares some of the same benefits and drawbacks. Notably, the ”poles” - the areas at the top and bottom of the sphere - are heavily distorted, with relatively small areas appering much bigger than they are in life.

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Stitching and stabilization are processed in spherical geometry, but since there are no spherical distribution formats for images or video, the content must be converted to a standard flat image format for use.

When it comes to capturing every angle of the action, a 360 degree camera is the ultimate tool. These innovative devices allow you to record immersive, panoramic footage that puts viewers right in the middle of the action. But how do these devices actually work? Learn more in this article.

There are several different “projections” available to map a 360 sphere onto a standard rectangular image frame. The most common and most widely-compatible format is called an “equirectangular projection” (ERP).