The convex lens converges the parallel rays to a focal point with a positive focal length. Because the light rays pass through the lens, the positive image distance (and the real image) is located on the side of the lens opposite the object. The image will be inverted relative to the actual image (upside down).

We strongly recommend Steam users test Beam with the demo prior to making a purchase. If you don’t have a webcam, please try it first with a webcam app and your phone, especially if you’re considering a webcam purchase. For most users, the initial setup to get it running takes about 5 minutes.

To find the focal length of the lens, measure the distance and substitute the number into the focal length formula. Make sure the same measurement system is used for all measurements.

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The Beam Eye Tracker is developed by Eyeware, a Swiss eye tracking research spin-off. We utilize proprietary AI and computer vision technology to enhance interactions with devices. Find out more about our journey here.

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where o is the distance from the object to the lens, i is the distance from the lens to the image, and f is the focal length.

Yes, our SDK is available for those interested in developing applications or conducting academic research using head and eye tracking data. You can access the SDK here. We encourage you to create and share your extensions. Find out what extensions we support on our extensions page.

Android 14 allows you to directly turn your smartphone into a webcam plugging in with USB-C, thanks to its built-in Android webcam feature.

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Example 2: The measured distance from the lens to the object is 10 cm, and the distance from the lens to the image is 5 cm. The focal length equation shows that

We prefer to reward our community rather than paying ad or distribution platforms. Join our affiliate program and earn a 30% commission for every Beam Eye Tracker sale you refer.Help your friends and followers discover the Beam Eye Tracker while boosting your own earnings.

Once your phone is set up as a webcam, choose the virtual webcam it creates in Windows as your input device in the Beam Eye Tracker settings, similar to selecting a standard webcam.

To find the focal length using the focal length formula, one needs to know the distance u from the original object to the lens and the distance v from the lens to the image. the lens formula says that the reciprocal of the distance to the object plus the distance to the image equals the focal length f. This equation is written mathematically as

A combination convex-convex lens called a convex-concave lens is usually called a negative (diverging) bent-moon lens. This type of lens has a concave and convex side just like a concave-convex lens, but the radius of the concave side is smaller than the radius of the convex side.

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Dive into the ultimate gaming immersion with our advanced eye tracking software, designed for seamless integration with OpenTrack. This AI-powered eye tracker for PC gamers unlocks 6DoF head and eye tracking capabilities in over 200 PC games, expanding your field of view for the most immersive experience yet.

There are two basic types of lenses: convex lenses and concave lenses. Convex lenses are thicker in the middle than at the edges and cause light to converge to a single point. Concave lenses are thicker at the edges than in the middle and cause light to diverge.

A concave lens diverges parallel light rays away from the focal point with a negative focal length, creating only a virtual smaller image. Negative image distance creates a virtual image on the same side of the lens as the object. The image will be oriented in the same direction as the original image (face up), only smaller.

\frac{1}{20}+\frac{1}{5}=\frac{1}{f} \\\text{or}\; \frac{1}{20}+\frac{4}{20}=\frac{5}{20} \\\\text{reduce the sum to get }\frac{5}{20}=\frac{1} {4}

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We encourage you to try our free demo on Steam before purchasing to ensure the Beam Eye Tracker meets your needs. If you have issues accessing the demo or need further assistance, please join our Discord server for support or reach out to [email protected]. We review refund requests individually to ensure fairness and prevent misuse.

Example 1: The measured distance from the lens to the object is 20 cm, and the distance from the lens to the image is 5 cm. Completing the focal length formula yields.

Yes, the Beam Eye Tracker is compatible with glasses. However, performance may slightly decrease with strong prescriptions or glare. If your glasses have thick rims, positioning the camera below the monitor can help maintain visibility of your eyes. It’s advisable to try the free demo on Steam to see how it works with your specific glasses.

The Beam Eye Tracker is compatible with most webcams, both integrated and external, as well as free apps that turn your phone into a webcam. For more details, visit beam.eyeware.tech/webcams.

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Gain deeper insights into your gameplay with our Eye Tracking Overlay. Perfect for post-game attention analysis and boosting engagement in live streams. Customize the overlay and choose to display or hide it during play.

iOS users with FaceID-enabled devices should download the Beam Eye Tracker iOS app to benefit from offloading and 3D sensor tracking.If you don’t have FaceID then consider the Apple built-in Continuity Camera.

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Convex and concave lenses have different configurations. A plano-convex lens is flat on one side and convex on the other, while a biconvex (also called a biconvex) lens is convex on both sides. A flat-concave lens is flat on one side and concave on the other, while a double-concave (or biconcave) lens is concave on both sides.

Yes, there’s a demo available on Steam that you can use for free if you have a Steam Level 1 account. It’s a limited-time trial with all the features available. The trial requires the Steam client. If you don’t have a Steam Level 1 account and purchase the standalone version on our website, we offer refunds on a case-by-case basis if you’re not satisfied with the performance.

We continues to enhance our visibility and reputation, including exhibitions all over the world and we also actively taking corporate social responsibility.

This usually happens if you’re logging in with the wrong email. Double-check and use the email you originally registered with. If the issue persists, contact support and provide the email you used to register.

Experience the first-of-its-kind AI-powered webcam eye tracking  software for gaming. Beam delivers eye tracking performance comparable with high-end hardware devices. Track smoothly at 60FPS or higher for supported webcams, ensuring minimal latency and a seamless gaming experience. Our webcam-centric approach ensures clear, unobstructed views and greater placement flexibility.

The focal length f of a lens is the lens to the focal point F. Rays of light traveling parallel to the optical axis of a convex or concave-convex lens (of a single frequency) will meet at the focal point.

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Experience the first-of-its-kind AI-powered webcam eye tracking  software for gaming. Beam delivers eye tracking performance comparable with high-end hardware devices. Track smoothly at 60FPS or higher for supported webcams, ensuring minimal latency and a seamless gaming experience. Our webcam-centric approach ensures clear, unobstructed views and greater placement flexibility.

Dive into the ultimate gaming immersion with our webcam eye tracking software, designed for seamless integration with OpenTrack. This AI-powered eye tracker for PC gamers unlocks 6DoF head and eye tracking capabilities in over 200 PC games, expanding your field of view for the most immersive experience yet.

If you encounter issues running the demo within the trial period, please join us on our Discord server for support or reach out to [email protected].

Use the Beam Eye Tracker iOS app extension on your FaceID-enabled iPhone or iPad to transfer processing tasks from your computer, reducing the CPU load to nearly zero. Take advantage of the TrueDepth 3D selfie camera and our unique 3D algorithms to improve calibration robustness and accuracy.

A combined concave-convex lens called a concave-convex lens is often referred to as a positive (converging) curved-moon lens. The lens is convex on one side and concave on the other, with the radius of the concave side being greater than the radius of the convex side.