If you must place farther from the screen than is normally recommended for the model, a zoom lens allows you to compensate for the extra distance by increasing the size of the projected image. A long-throw projector is a standard projector that has a moderate throw range. This function helps the zoom lens account for discrepancies in distance from the projector, alongside having a lens shift. Your projector lens needs to be a specific distance from the screen for the screen image to display correctly. If you want to maintain sharp focus even when projector offset is high, having lens systems that include zoom is a must. Zoom lenses typically come either as built-in lenses or as add-on lenses that you can buy to enhance your lens systems. In the case of a digital zoom projector, though, it contains zoom lenses that let you increase or decrease the size of a projected image.Īlways make sure that your projector screen surfaces are suitable for the environment you’ll be using them in, such as getting backlit displays for your rear-projection projectors. In case you’re wondering what does a smart projector do as opposed to others, check out our article explaining this fantastic bit of modern technology. Unless you’ve made your own projector, then the zoom options will be very different. What Digital Zoom Does for ProjectorsĪdvances in LED technology have given us a wide range of options to choose from, ranging from the optical zoom projector to the smart projector. And if you’re wondering just how high should you mount a projector, then you’ll need to know the applicable throw ratio formula. Throw distance is another important measurement, and knowing when a shorter throw is needed will give you far better image quality, as you’ll find on most pico projectors.
Understanding digital zoom is crucial to maintaining proper image size while projecting. Zoom is only one aspect of image quality, and it is essential to note that as you increase projection size, you will eventually hurt image quality, and the image can become blurry.Quality lenses will be able to produce the sharpest image resolution possible even when you’re using your remote control to enlarge the bright image.
Zoom is the ability of your projector’s built-in lenses to enlarge the image it projects so that you can be less confined by metrics such as common throw ratios.
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