Digital vs Optical Zoom

Zistos has recently introduced a line of high-definition pole camera systems that have many new features and benefits. Our new systems feature securely encrypted wireless video, they support full HD resolution (1080P) and include a large battery to extend use time in the field (approx. 6hrs minimum). We have designed a full array of interchangeable options and accessories that further expand the system’s capabilities. Suitable applications for our new ZistosHD system include: Tactical Surveillance, Technical Rescue, Industrial Inspection and Vehicle/Cargo Search.

One of the options that is available for these new systems is a camera that features optical zoom capabilities. Optical zoom utilizes lenses to magnify the visual image. This method has significant advantages over cameras that are limited to digital zoom capabilities.

Cameras that utilize optical zoom have the ability to magnify an image without any loss of resolution. Digital zoom expands the image by using software to double up the existing pixel content in the image. This magnifies the image by increasing the size of the pixels in the image and thus reducing the number of pixels that make up the image. This makes the image appear larger, but at the expense of resolution. Images that use digital zoom will often look reasonable after a 2X, or sometimes even a 4X magnification, (depending on the size of the image sensor). Often the images will become too coarse, or pixelated to see any meaningful detail. The more digital magnification that is applied to the image, the worse the image quality gets. Optical zoom allows the user to zoom in without any loss of resolution. When you view an image with a camera that utilizes optical zoom, the picture maintains resolution and image quality regardless of zoom magnification. The ZistosHD line has zoom cameras that feature optical zoom capabilities that range up to 30X.  

When looking for victims in a rubble pile, searching attics for a subject, inspecting large storage vessels from a distance or searching the back of cargo truck for hidden contraband, having a quality image that maintains good visual detail is the most important aspect of a video pole camera system. The ZistosHD pole camera systems that are configured with the Optical Zoom camera options allow the operator to assess the smallest of image details and enable them to make critical decisions based on their visual assessment of the video.

For more information or a no obligation product demonstration, Virtual or In-Person, please don’t hesitate to reach out by phone: (631) 434-1370, email: info@zistos.com or website: www.zistos.com.  We look forward to hearing from you.