55" 4K TV Viewing Distance - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 8 Old 03-24-2020, 03:16 PM - Thread Starter
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55" 4K TV Viewing Distance

I have a 55 inch 4K TV (a Vizio D55u-D1 to be exact) in my bedroom. I have to move to a different bedroom in my house that is about 10ft*10ft and based on measurements I think I'll be able to pull off about 6ft of viewing distance tops, maybe a little more. I do watch some 4K content, but almost all of my TV shows, movies, video games, etc are 1080p or 720p. I see that the recommended distance for 55 inch 4K TVs is 4.5 ft minimum and about 7 ft minimum for 1080p TVs. Do you think that 6 feet of viewing distance is suitable for my situation? Should I be treating my TV like it's a 1080p TV when it comes to viewing distance? Will the upscaling allow me to get away with the 4K viewing distance on non 4K content?
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post #2 of 8 Old 03-25-2020, 12:55 AM
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Sony Support's recommended viewing distance for 4K and 1080

Multiply the screen height (NOT the screen's diagonal!) by 1.5 for 4K. The height of a 55" 16:9 screen is 27". So, 27 x 1.5 = 40.5", which works out to a 3'-4.5" viewing distance with a 4K source, in order to be able to see 'FULL' 4k.

Multiply the screen height by 3.0 for 1080. So, 27 x 3 = 81", which works out to a 6'-9" viewing distance with a 1080 source. IMO, this distance increase is so you can't see the 1080 pixels - just a guess.

We have a 159" 16:9 screen which has a height of 78". So, for us, with a 4K source, we would need to sit 117" from the screen. Which works out to a 9'-9" viewing distance with a 4K source, in order to be able to see 'FULL' 4K.

We have sat 12' from our 159"screen for over 12 years. Even at 12' from the 159" screen, we can't see the pixels with 1080. Using Sony's recommended 3 times the screen height for 1080, we should be sitting 19'-6" from the screen for viewing a 1080 source !!! We are happy campers with the 12' distance with 1080 sources.

When we get a 4K setup this spring/summer, we will sit 5'-3" from an 85" 4K set, as per Sony's recommendation, so that we will see 'ALL' that 4K has to offer.

For those of you who sit at 6'-10' from a 50" to 85" set, viewing a 4K source, I respectfully suggest that you buy a good pair of binoculars (I recommend Zeiss 10X42's) and a good tripod.

And for those of you who sit at 10'+ from a 50" to 85" set, viewing a 4K source, I respectfully suggest that you buy a good 20X spotting scope with a good tripod. Again, I recommend Zeiss (I used this brand for many years hunting elk - back in the day).

For only then - for the very first time - you will TRULY see 'ALL' that 4K has to offer, due to your too long viewing distance. IMO; and Sony's too.
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post #3 of 8 Old 03-26-2020, 09:13 PM
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Some people way over exaggerated how big the TV needs to be... I sit about 9 feet back from a 55” and I have no issues and seems almost perfect, 65” would be the max for me at my current distance. For me to have a 159” TV would be just ridiculous and way over kill at 9’, probably a lot of neck strain and chiropractic care. I think people use that stat inaccurately, it’s not that you won’t see full 4K at those screen size to feet away but going bigger or closer to the TV and you’ll be able to see the pixels.
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post #4 of 8 Old 03-26-2020, 10:12 PM
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There is a side effect of sitting close to a VA panel LCD as suggested by the 2nd poster if you site they close the sides of the image will look washed out bc the viewing angle limitations will come into effect.

The most important thing isn’️t seeing every pixel the most important thing is eye comfort.

Also remember most content isn’t 4k even HDR / Dolby movies most are 2k in a 4k container. I sit 6-7 feet from my 55inch bc I find that very comfortable my eyes don’t have to search around to see the entire image.

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post #5 of 8 Old 03-26-2020, 10:19 PM
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Quote:
Originally Posted by Cyclone105 View Post
I have a 55 inch 4K TV (a Vizio D55u-D1 to be exact) in my bedroom. I have to move to a different bedroom in my house that is about 10ft*10ft and based on measurements I think I'll be able to pull off about 6ft of viewing distance tops, maybe a little more. I do watch some 4K content, but almost all of my TV shows, movies, video games, etc are 1080p or 720p. I see that the recommended distance for 55 inch 4K TVs is 4.5 ft minimum and about 7 ft minimum for 1080p TVs. Do you think that 6 feet of viewing distance is suitable for my situation? Should I be treating my TV like it's a 1080p TV when it comes to viewing distance? Will the upscaling allow me to get away with the 4K viewing distance on non 4K content?
This might help

http://s3.carltonbale.com/resolution_chart.html
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post #6 of 8 Old 03-27-2020, 08:02 PM
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9 ft from a 75” normally. But when alone, I scoot the couch closer to 7 ft.


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post #7 of 8 Old 03-27-2020, 10:36 PM
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BB test

Almost 2 months ago, I went to BB to check out the 4K sets. This was before they shutdown in store shopping - its pickup only now.

The set that I looked at was a 85" Sony - I believe that it was a 950G. By using the store's tape measure, I was able to stand 63" (5'-3" per Sony for 4K) from the 85" set. I watched the demo loop for almost 45 minutes. I had no eye strain or headaches while standing this close to the set's 85" screen.

I saw unbelievable detail at this viewing distance. I backed away to about 10'. Could I see the same amount of detail at 10'? H*ll no! Not even close.

At the viewing distances that most of you are using, you are seeing 1080, at best, IMO.

At your viewing distance, the only true/real benefit from yerterday's 1080 set to today's 4K set is HDR,HDR10+, and DV - especially dynamic HDR10+ and DV with tone mapping, IMO.

As I posted before, we will sit at 5'-3" from the 85" 4K set that we will buy this spring/summer, because we want to see all that 4K offers.

I know that this is possible - without eye strain or headaches - because I ran a true/actual test, here in the real world. I've always done this before spending my $$$$.

BTW:
Do you realize how many pixels there are in the different TV resolutions?
8K = 33,177,600
4K = 8,294,400
1080p = 2,073,600
720p = 921,600
Note that 8K has 4x the pixels of 4K, and 16x more pixels than 1080p !!!
You are going see this resolution at 10'-15'+ on an 65", 75", or 85" 8K set ??? Please !!!
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post #8 of 8 Old 03-28-2020, 03:51 AM
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Quote:
Originally Posted by Cyclone105 View Post
I have a 55 inch 4K TV (a Vizio D55u-D1 to be exact) in my bedroom. I have to move to a different bedroom in my house that is about 10ft*10ft and based on measurements I think I'll be able to pull off about 6ft of viewing distance tops, maybe a little more. I do watch some 4K content, but almost all of my TV shows, movies, video games, etc are 1080p or 720p. I see that the recommended distance for 55 inch 4K TVs is 4.5 ft minimum and about 7 ft minimum for 1080p TVs. Do you think that 6 feet of viewing distance is suitable for my situation? Should I be treating my TV like it's a 1080p TV when it comes to viewing distance? Will the upscaling allow me to get away with the 4K viewing distance on non 4K content?
Have a look at this: https://www.rtings.com/tv/reviews/by...e-relationship

Recommended Cinema Distance (40 degree field of view) for a 55" is 5.5 feet. At this distance, you will still be able to discern the difference between 4K and 1080P.
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