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Camera lens

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Zoom lens

While optical and digital zoom offer advantages, how well they are used in embedded vision systems depends on the application’s requirements. Understanding their subtleties is essential to fully utilize their potential, whether the accuracy of optical zoom in surveillance or the flexibility of digital zoom in video conversations.

Aspherical lens

Working distance, denoting the distance between the object and the lens's front end, emerges as a crucial parameter in microscope objective selection. Longer ...

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TechNexion offers the best of both worlds for embedded vision solutions: optical and digital zoom capabilities. Our cameras can be integrated with optical zoom lenses. We can also help you enable digital zoom by making the necessary customizations to our camera modules.

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Pinhole camera

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Wide lens

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Embedded vision systems are revolutionizing industries from automotive to healthcare, and the ability to zoom in on certain areas of a scene is critical. Digital zoom is one feature that offers flexibility but also comes with some challenges in the constrained environment of embedded systems. It doesn’t involve adjusting the optics of the camera and instead is a post-capture magnification process performed at a software level. This type of zoom makes it possible to simulate magnification without requiring physical lens adjustments, which might be impossible due to size or design limitations.

Mirrorless camera

Embedded vision cameras are a critical component of modern-day imaging technology, capable of perceiving, analyzing, and acting upon visual data. Zoom functionality is one of the most important factors influencing an embedded vision system’s effectiveness.Optical and digital zoom are the two types used in embedded cameras. Optical zoom offers greater clarity and detail than digital zoom but is limited by the physical optics of the camera lens. Digital zoom can magnify an image beyond what optical lenses can support, but this comes at the cost of reduced image quality. While both offer advantages that make them suitable for certain image-capturing applications, it’s vital to consider their strengths and weaknesses before the selection. In this blog post, we explore the definitions, applications, and benefits of optical and digital zoom so that you can decide what to opt for.

Today, many use digital zoom-in embedded cameras owing to their flexibility to use the feature on a need basis. It might not be practical to carry a bulky lens system (for optical zoom) if zooming is required only rarely during the operation period of the camera. Hence digital zoom cameras have started replacing optical zoom cameras in many embedded vision applications today.

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Optical lens

Flange Focal Distance - also known as Flange Distance - is the distance from the camera's mounting flange to the film or sensor plane.

Optical and digital zoom selection can heavily influence an embedded vision system’s effectiveness. We will explore which type of zoom is best for specific scenarios.

Digital zoom is an alternative to optical zoom that uses image processing techniques instead of lens adjustments. It works by cropping and enlarging a chosen portion of the captured image, and then using interpolation to estimate the pixel values in the gaps. This method can be efficient, but it can also cause some compromises when used in embedded vision systems with limited processing resources.

When choosing between optical and digital zoom for embedded vision systems, users must consider the specific application, environmental conditions, and desired outcomes. Striking a balance between these factors is key to maximizing the performance of an embedded vision system.

Understanding the complexities of zoom functionality is critical in embedded vision, where every pixel may play a key part in decision-making. As we compare optical versus digital zoom, it’s clear that each has its own set of advantages and disadvantages.

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The complexity of optical zoom in embedded vision lies in the construction of its lenses. These lenses possess multiple elements which can be adjusted to change the focal length. By shifting the distance between these lens elements, incoming light is bent and magnified before it reaches the camera’s sensor. This physical alteration is especially important for embedded systems where software enhancements may be difficult to implement due to processing restrictions.

Embedded vision systems are designed to provide precision and adaptability for various applications, from robotics to security. One key feature that amplifies the performance of these systems is optical zoom. Optical zoom allows the camera’s lens elements to be physically adjusted, providing genuine magnification that keeps the subject sharp and clear, even when installed in tight spaces.