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Lifetime Customer Support

Projector Picture Quality: HD vs. 4K

Delivering sharper pictures, more realistic images, on ever bigger displays--it's what projectors and TVs have been about for years. Everybody wants a better picture, and so the resolution or clarity of sets has been going up accordingly. But a lot of the picture resolution specs you'll see can be confusing. So what exactly is the difference between HD and 4K? And is that difference always worth it?

Certainly, you need a great picture to be able to track a home run as the ball sails out of the park or to appreciate the million-dollar special effects in the latest blockbuster movies. If the picture is blurry, you can't tell who's at bat and you won't be very frightened by a fuzzy monster.

Thankfully, most of the programs you watch today are in high-definition or HD TV resolution. You'll see two HD numbers mentioned, 720p and 1080p. These refer to the number of pixels--the smallest picture elements--used to create an image. The more pixels, the more detailed the picture. (Technically, 720p is 1280 x 720 and 1080p is 1980 x 1080 pixels.) The letter "p" after the numbers stands for progressive and describes how those pixels are put up on the screen in progressive lines. You'll also see the term "full HD" used to describe 1080p.

But you don't need to know all the technical details. What you do need to know is that generally speaking an HD projector will let you see the latest YouTube videos or episodes of Riverdale in all of their high-def glory. Nebula Cosmos and Nebula Solar, for example, can display a 1080p HD picture up to 120 inches, a great way to show off any regular TV shows or programs you want to watch at home. 

And battery-powered portable projectors like the Nebula Solar Portable can even beam a full HD 1080p picture outside. So for backyard game days and barbecues, you don't need 4K. The programs you'll want to share, like the big game or Sunday race, aren't in 4K yet.

So why all the excitement about 4K video?

Because when you want to snuggle up on the couch for an evening of movie viewing, you'll want a super sharp picture, and 4K represents the best resolution that is widely available today. Technically, it's not actually 4,000 horizontal pixels as the name suggests; it's 3840 x 2160 pixels. But there's no question 4K UHD (Ultra High Definition) still delivers a stunning picture. Films in 4K can transport you to other countries--even other worlds--with crystal-like clarity and a realism not available before. And thanks to a format called HDR (high dynamic range), it's enhanced with more intense colors to create deep jungle greens and rich ruby reds.

A 4K projector, like Nebula Cosmos Max can transform a wall into a portal to other planets, let you walk the parapets of medieval castles, or wander on the white sands of faraway beaches. And an increasing variety of programs are now being shot and streamed in 4K. So whether you're a fan of sci-fi shows like The Mandalorian or comedies like The Marvelous Mrs. Maisel, there's more and more state-of-the-art 4K programming to keep you entertained. 

Now that you know you want the best picture available, you may be wondering what happens when you watch older material in standard definition on a 4K projector. Not to worry, today's projectors will automatically recognize the video's format and upscale the picture so that it still looks good on a screen or wall. It's all in the name of pursuing the sharpest picture possible, no matter what you're watching. 

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