Category: Knowledge Base

A projector's lamp and light bulb doesn't last forever. Sure, you can buy an LED lamp with a half-life ranging from 30,000 to 60,000 hours or a laser lamp with a 25,000-hour lifespan. However, both...

Projectors are display devices and optical equipment you can use to project video, slides, and images onto a screen, particularly in a classroom setting. Most people are familiar with overhead...

Keystone correction and vertical shift might have an effect on picture quality. Just like in the case of digital zoom wherein the resulting picture ends up a blurred zoomed-in version of what the...

So are all the projector bulbs the same? No, not all projector bulbs are the same. Maybe it's the case in the early days of projectors when there was only one type of bulb to use for overhead...

There are many advantages to be had for having projectors in your classroom. Unlike in the 20th Century where computers were huge mainframes that spewed out coded machine language in long strips of...

You are told to never stare directly at the sun. You're also told to not stare too close to the TV set. Eye strain among office workers looking at their PCs is a real issue, such that it's...