In the first installment of Blue Screen of Jeff, the titular Jeff explains how the 3DS works. Thanks to IGN for the last clip. Thanks to Sony for the explanation of the shutter display.
Man, those predictions didn't age well. It's cool to see how the 3DS worked though. I wish this technology would have gone farther, if we had 3D TVs that worked like this then it'd be awesome to play 3D Switch games.
@@godofthecripples1237old comment, but the technology is just too expensive for such a useless feature. There's very little actual utility for 3d, aside from being neat to look at. Also a lot of people are bothered by the effect. And most people I knew never used 3d on the 3ds. However, I suppose you could argue stuff like Oculus would be a spiritual successor as it uses a lot of tech the 3ds adopted years ago (3d display, 3d cameras, AR features, etc...)
Djkillerdance here's a trick when I screen has two images but one in a slightly different angle try crossing you eyes but instead of pictures do picture by picture one picture has Ben already shown less than 0.1 miliseconds so it's like an animation. just keep that in mind.
I found this video after almost 10 years and I appreciate the idea of explaining how stereoscopic imaging works. But it is so full of mistakes (which maybe only a few nerds are interested to know) that I would like to contribute some corrections, for those who want to know. :-) 1:05 - The shown transition appears to blend over multiple images. The problem with blending only over 2 images would be that on vertical edges, one can clearly see one image disappearing over the whole animation. That is not visible in this video, but the effect is reduced by several smaller steps. 1:36 - The red/cyan glasses have no lenses, but color filters. And as the name says, they filter (LET THROUGH) the particular color and block other colors, just like a coffee filter lets through the coffee and retains the bean powder. The image has red, cyan and white/grey/black areas. The red filter lets the red light rays from the red areas pass completely and lets through only the red share of the white/grey area (while absorbing all other colors). That is why white areas look just as red as red areas, when looking through the red filter. Analog for the cyan filter, letting through only cyan light and absorbing all other frequencies. So, if red is left, then the image for the right eye is tinted red, so it becomes indistinctible from the background (invisible) for the left eye and only visible for the right eye. The brain can cope fairly well with white being represented by cyan and red light, because that is how white areas look in bluish or reddish lit environment, like during sun rise or set. 1:46 - The projectors are usually not positioned at the corners, but right next or on top of each other, to minimize the need for distorsion compensation and especially to minimize the blurring effect arising from the screen being tilted (relative to the projector lens). 2:52 - The displayed sketch shows not a parallax barrier, but a lenticular lens, which consists of multiple half-cylindrical lenses on a carrier foil. But the scheme is incorrect by showing one pixel behind each mini-lens. In reality, there are (at least) as many pixels as images (2 for most basic stereoscopic views) behind each mini-lens. Depending on the viewing angle, each mini-lens stretches a pixel's light to the full height/width of the lens, through optical refraction. That way, even small lines look like full lens-size pixels. The 3DS parallax barrier works not by refraction, but by blocking the light of some pixels and letting pass others, depending on the viewing direction.
your "correction" for 1:36 is totally incorrect. If a red filter/lense let through red light, it would not look red. The lense that looks red only appears so because it REFLECTS the red back to source. So the red filter (using your own nomenclature) lets through cyan+greyscale, and reflects/blocks red. His graphic was correct; you're wrong here. The other points were true, but some of the criticisms seem super pedantic to me
After listening to Game Mess and Nintendogs along with all of the context of the last year since I’ve started, it’s nuts to go back and see this Jeff. Keep it up big dog
That side by side 3d picture is probably the coolest damn thing I've never heard about. Even though I'm watching this on my phone, it still looks like I'm there. Mind blown!
I never had a 3DS when I was younger, I only got to see it being used once when a friend at a camp had it. After the camp ended, I never saw him again, and along with him never saw a 3DS again. 12+ years later, no one has 3DS's anymore (because it wasn't very popular to begin with). I am super curious to revisit and see how good (or bad) the 3D effect was as I don't remember what it looked like and there is pretty much no where else to see it. We all know that 3D isn't as cool as it was made to be a decade ago, but I am surprised this technology is essentially no where to be found in the mainstream.
3ds was very popular idk where you heard that. Maybe didn't do Switch numbers but it was very successful. You wanna talk about unpopular, try the Wii U... Or PS Vita... 3d effect is still fantastic. The screen resolution is the only real problem very dated by today's standards (was kinda dated even then)
Just took out my 2ds to get all the free stuff from the eshop when I remembered how good the 3d on my friends 3ds was. This makes a lot of sense, thank you. Awesome video!
I wonder if something like this could be used for on-eye displays? Perhaps using parabolic lenses to parallelize the image so it appears in-focus with the background
The new 3DS with super stable 3D , uses the user facing camera above the screen to determine where your eyes are (Face tracking but more correctly eye tracking) , if you move the device it changes the perspetive so even when you move the 3ds it keeps both eyes in the sweet spot,, it does have some issues with glasses though..
Put your digest finger vertically at your screen between both pictures. Then look at your fingertip while you slowly move your finger towards your nose and concentrate on what happens to the two images on the screen. It will look like they split up into 2 times the two images overlaying each other, with one pair moving left and one moving right. And JUST when the middle images (right of the left pair with the left of the right pair) overlap in the center, you have the 3 images with the virtual middle one appearing 3D. It works similarly for parallel view, just with relaxing your eyes (“looking through“ the screen) instead of following your fingertip.
I kinda thought it'd be like how Sega did the opening animation for Sonic 3D Blast by switching between two similar images quickly, making the illusion of depth.
1:40 Isn't it the other way round? Sure, you "can't see" the red stuff through the red lense because it all comes through as red. It blocks the Cyan light so what you see is a dark image where the Cyan is on the image.
i nitice that when the 3d slider is activated, if you put your face up to the tp screen, you can see gray and white horizontal lines that seem to be 3d as well. is that the parallax barrier?
It appears as though your diagram is off. The red filter blocks red light, and the lens looks cyan. The cyan filter blocks blue and green light, so it appears red. In the diagram, red light should be passing through the red lens, and the cyan light should be passing through the cyan lens.
So if you would make a videogame without the 2 camera's for the 3ds (obviously not 3d compatible) you could achieve much higher graphics (because the 3ds doesn't have to render the game twice thus you get more performance out of it).
I get how it works now, but there's one thing I still can't understand. My eyes are broken. I can't see 3D in real life like everyone else can. I only see 2D. I can't even do 3D movies because my eyes don't work together. Taking pictures of things on the 3DS is literally the first time in my life I've seen the world in 3D. But even in understanding how the screen works, I still can't understand how it lets me see 3D! If anyone has any ideas, I'd love to hear them. My eye condition I have is Amblyopia - in case that helps at all.
+Hissan Sama The New 3DS uses eye-tracking. A front-facing camera can tell where your eyes are (even in the dark thanks to an infrared light and camera), and the 3DS changes the "aim" of the lenticular vents based on the location of your eyes. So it doesn't have multiple sweet spots. Instead, the New 3DS actively changes its sweet spot based on the location of your eyes.
+Jeffrey Grubb thank you for your reply. One last question, if there were to be 2 people side by side using the new 3ds XL, would that mean that there would be 2 sweet spots? or would that mean only one person can see in full 3D
The 3D make me feel uncomfortable and a little dizzy for 10 or 15 minutes after starting playing or watching a movie, i got a headache in a pirates of the caribbean movie one time and it is hard for my eyes to get used to some 3d effects but eventually i can get used to it, to not suffer at all i just bought the 2DS XL yesterday which is even cheaper. If you have motion sickness dont force yourself to 3D, i am not trying to offend 3ds users because i love the 3D it looks cool, but even if you dont have the stomach problem with the 3D dont force.
![[LIVE] : ONE ลุมพินี 68 | คู่เอก "พระจันทร์ฉาย vs โจนาธาน"](http://i.ytimg.com/vi/F3IM3w-XchI/mqdefault.jpg)
POV: I cant sleep and this is what I was thinking about in the middle of the night
won’t lie this topic came to me before bed and here we are
Just happened to me
Same
POV: I just played my 3DS, was amazed by the 3D effects in Ocarina of Time 3D, and became curious about how it works
@@Lucaiiz now thats a legendary game
This video is really well made for a 10 year old video. Definitely rivals videos today that takes a team to make
you are talking as if people 10 years ago were stupid or something
Yes, he went into youtube very professional!
Dude I was not expecting this from a 12 year old video. We had no idea how advanced this was, if the video quality was better I’d have never noticed
BRO UR SO RIGHT this littealy felt like a modern video i didn't even notice it was made 12 years ago 💀💀💀
it's even 13 years old now
Wow, for a video that's 9+ years old, the content delivery is very modern
indeeeeed.
Man, those predictions didn't age well. It's cool to see how the 3DS worked though. I wish this technology would have gone farther, if we had 3D TVs that worked like this then it'd be awesome to play 3D Switch games.
some people made 3d phones but none of them took off and the 3ds is the only successful product to use this effect
@@SpartanViper7Edits Disgusting, this should be standard effect available for everything by now
@@godofthecripples1237old comment, but the technology is just too expensive for such a useless feature. There's very little actual utility for 3d, aside from being neat to look at. Also a lot of people are bothered by the effect. And most people I knew never used 3d on the 3ds.
However, I suppose you could argue stuff like Oculus would be a spiritual successor as it uses a lot of tech the 3ds adopted years ago (3d display, 3d cameras, AR features, etc...)
omg when i cross my eyes a certain way it looks 3d just like the 3ds
Djkillerdance here's a trick when I screen has two images but one in a slightly different angle try crossing you eyes but instead of pictures do picture by picture one picture has Ben already shown less than 0.1 miliseconds so it's like an animation. just keep that in mind.
Same
same
It really did
it’s looks REAL GOOD AND SUPER LIKE THE 3DS. it’s actually kinda scary
11 years later and this video holds up! Really informative and pretty interesting
This is f****** amazing. You can actually get the 3DS affect with the two images he posts in this particular video
It's fucking
It took me 13 years to figure out how a 3DS worked…
Amazing.
0:32 - OMG. It works. Neat and clear.
Somehow the question of how the 3DS works randomly came to my mind and i am delighted to have found your vid explaining it. Thanks!!
You shouldn't turn off the ratings, this is a really good explanation!
Thank you so much!
I found this video after almost 10 years and I appreciate the idea of explaining how stereoscopic imaging works. But it is so full of mistakes (which maybe only a few nerds are interested to know) that I would like to contribute some corrections, for those who want to know. :-)
1:05 - The shown transition appears to blend over multiple images. The problem with blending only over 2 images would be that on vertical edges, one can clearly see one image disappearing over the whole animation. That is not visible in this video, but the effect is reduced by several smaller steps.
1:36 - The red/cyan glasses have no lenses, but color filters. And as the name says, they filter (LET THROUGH) the particular color and block other colors, just like a coffee filter lets through the coffee and retains the bean powder. The image has red, cyan and white/grey/black areas. The red filter lets the red light rays from the red areas pass completely and lets through only the red share of the white/grey area (while absorbing all other colors). That is why white areas look just as red as red areas, when looking through the red filter. Analog for the cyan filter, letting through only cyan light and absorbing all other frequencies. So, if red is left, then the image for the right eye is tinted red, so it becomes indistinctible from the background (invisible) for the left eye and only visible for the right eye. The brain can cope fairly well with white being represented by cyan and red light, because that is how white areas look in bluish or reddish lit environment, like during sun rise or set.
1:46 - The projectors are usually not positioned at the corners, but right next or on top of each other, to minimize the need for distorsion compensation and especially to minimize the blurring effect arising from the screen being tilted (relative to the projector lens).
2:52 - The displayed sketch shows not a parallax barrier, but a lenticular lens, which consists of multiple half-cylindrical lenses on a carrier foil. But the scheme is incorrect by showing one pixel behind each mini-lens. In reality, there are (at least) as many pixels as images (2 for most basic stereoscopic views) behind each mini-lens. Depending on the viewing angle, each mini-lens stretches a pixel's light to the full height/width of the lens, through optical refraction. That way, even small lines look like full lens-size pixels. The 3DS parallax barrier works not by refraction, but by blocking the light of some pixels and letting pass others, depending on the viewing direction.
you seem to know your stuff, but what does cause the 3ds, what is the physical part that causes it? is it the screen?
your "correction" for 1:36 is totally incorrect. If a red filter/lense let through red light, it would not look red. The lense that looks red only appears so because it REFLECTS the red back to source. So the red filter (using your own nomenclature) lets through cyan+greyscale, and reflects/blocks red. His graphic was correct; you're wrong here. The other points were true, but some of the criticisms seem super pedantic to me
After listening to Game Mess and Nintendogs along with all of the context of the last year since I’ve started, it’s nuts to go back and see this Jeff. Keep it up big dog
Great visualizations of the technologies collected here.
fantastic video, can't believe it's so old, very well done! nice
Great, simple explanation. TU to you!
Great explanation and demos!
Nice and simple explanation, thanks!
hey, thank you for this explanation. very comprehensible - thumbs up!
I've been wondering this ever since I was a kid, finally the answers I've been looking for
That side by side 3d picture is probably the coolest damn thing I've never heard about. Even though I'm watching this on my phone, it still looks like I'm there. Mind blown!
Amazing video -- flawless! Thank you!
Watching this 12 years late, still amazing video!
Well done explanation. Thank you.
thanks man this was very informative but also its sad that this hasnt made it to really anything else
Really great video so informative.
Great explanation!
I never had a 3DS when I was younger, I only got to see it being used once when a friend at a camp had it. After the camp ended, I never saw him again, and along with him never saw a 3DS again. 12+ years later, no one has 3DS's anymore (because it wasn't very popular to begin with). I am super curious to revisit and see how good (or bad) the 3D effect was as I don't remember what it looked like and there is pretty much no where else to see it. We all know that 3D isn't as cool as it was made to be a decade ago, but I am surprised this technology is essentially no where to be found in the mainstream.
3ds was very popular idk where you heard that. Maybe didn't do Switch numbers but it was very successful. You wanna talk about unpopular, try the Wii U... Or PS Vita...
3d effect is still fantastic. The screen resolution is the only real problem very dated by today's standards (was kinda dated even then)
@@chrisdoesthis2 3ds super success
Nicely explained!
Just took out my 2ds to get all the free stuff from the eshop when I remembered how good the 3d on my friends 3ds was. This makes a lot of sense, thank you. Awesome video!
Great explaination
I'm sure this video would've been 30+ minutes had it been made today
Ty for this video 13 years later it's very accurate
great explanation
thnx Jeff, you were so young btw!!
great explanation..
I wonder if something like this could be used for on-eye displays? Perhaps using parabolic lenses to parallelize the image so it appears in-focus with the background
Went to bed, played some Super Mario 3D Land, had to go poop and watch this video.
Super fascinating!!
*3D* in the nutshell...
Camera One CameraOwo Camera Two
thank you sir, nice and to the point 👌
The new 3DS with super stable 3D , uses the user facing camera above the screen to determine where your eyes are (Face tracking but more correctly eye tracking) , if you move the device it changes the perspetive so even when you move the 3ds it keeps both eyes in the sweet spot,, it does have some issues with glasses though..
It’s been a decade and we don’t have this technology in phones
woah, that cross eyed image was cool!
0:24 who else crosses their eyes to see the 3d effect? If you cross your eyes and "merge" the images, you see a 3d effect.
how do i cross my eyes
Very carefully
Soopbox1
look at the tip of yo nose man, then work your way up
Put your digest finger vertically at your screen between both pictures. Then look at your fingertip while you slowly move your finger towards your nose and concentrate on what happens to the two images on the screen. It will look like they split up into 2 times the two images overlaying each other, with one pair moving left and one moving right. And JUST when the middle images (right of the left pair with the left of the right pair) overlap in the center, you have the 3 images with the virtual middle one appearing 3D. It works similarly for parallel view, just with relaxing your eyes (“looking through“ the screen) instead of following your fingertip.
uninstall sys32
Good video!
If you cross your eyes at 1:22 its PAPER MARIO 3D
HOLY SHIT!
thanks 4 the info
I kinda thought it'd be like how Sega did the opening animation for Sonic 3D Blast by switching between two similar images quickly, making the illusion of depth.
I always took the 3D for granted
Great video. How's life 12 years later?
The trview screen is really cool id lime that for a pc cause you dont need space for 3 but still have them
12 years later the new 3ds has 3d at almost any angle
Thank you !
I'm really good at crossing my eyes and focusing.
1:40 Isn't it the other way round? Sure, you "can't see" the red stuff through the red lense because it all comes through as red. It blocks the Cyan light so what you see is a dark image where the Cyan is on the image.
Brilliant
THANK YOU
Awesome explanation, even in 2023
Turn on your 3ds and close one eye, then the other, u can see the image is shifted. Some games have more of a shift than others, it's interesting
i nitice that when the 3d slider is activated, if you put your face up to the tp screen, you can see gray and white horizontal lines that seem to be 3d as well. is that the parallax barrier?
+LA Free When you put the slider down, they disappear
Thank you jontron
It appears as though your diagram is off. The red filter blocks red light, and the lens looks cyan. The cyan filter blocks blue and green light, so it appears red. In the diagram, red light should be passing through the red lens, and the cyan light should be passing through the cyan lens.
Me buying my first 3ds in 2022 realizing I never looked up how it works.
didnt know i need this after 12 years lol
When a 2010 console does 3D better than modern movie 3D (the fact that glasses are STILL REQUIRED)
the 3ds has lines in it and you have to look at a certain spot
ok so if i am understanding this right, its like an lcd version of those 3d bookmarks?
yes
the video is great
The iPhone has an oled camera.. I wonder if Theres a way to make a screen protector on it that would allow that barrier you mentioned...
That doesn't make sense, LEDs emit light, they don't capture it, it's literally in the name (Light Emitting Diode)
wow. so that's how... THANKS!
They should make a 3D switch
One question tho, my boss was in a car accident and lost one of his eyes, yet he still sees 3D on the 3DS. How is that?
Snatch Pro maybe he's lying?
So if you would make a videogame without the 2 camera's for the 3ds (obviously not 3d compatible) you could achieve much higher graphics (because the 3ds doesn't have to render the game twice thus you get more performance out of it).
i wonder how long it'll take for 3D to become the next laptop gimmick
haha my brain be like nope, monocular vision
The 3D is hard to get used to, at least for me i need pauses or after 10 mins or so i really start to enjoy something in 3D, after getting used to it.
Thanks ur awesome
video starts at ~2:30
so basically the 3ds has built-in 3d glasses in the screen
Now I know why my friend (One Eye Willy) couldn't see the 3d image...
I kinda wish they pushed the 3d a bit more
Autostereoscopic?
agreed. Actually found this from kotaku.
he predicted ocarina of time 3d, incredible.
now can you please manifest a port to switch 🥺
thanks chad kroeger
WOW GREAT VID
I get how it works now, but there's one thing I still can't understand. My eyes are broken. I can't see 3D in real life like everyone else can. I only see 2D. I can't even do 3D movies because my eyes don't work together. Taking pictures of things on the 3DS is literally the first time in my life I've seen the world in 3D. But even in understanding how the screen works, I still can't understand how it lets me see 3D! If anyone has any ideas, I'd love to hear them. My eye condition I have is Amblyopia - in case that helps at all.
@McTavish668 heheehhehe yeah!
REMEMBER SEGA 3D ?
werd, i had the 3D Master System set up. Blade Eagle 3D was one of the games I always played.
What if you only have one working eye with the 3ds?
It doesn't rly work that well
Welp. Wish my right eye worked
3:59 So are we just going to egnore the fact that, that just happened.
I like polarized more
He talked about sweet spot, does that mean the "New 3ds/new 3ds XL has multiple sweet spots? how would that work?
+Hissan Sama The New 3DS uses eye-tracking. A front-facing camera can tell where your eyes are (even in the dark thanks to an infrared light and camera), and the 3DS changes the "aim" of the lenticular vents based on the location of your eyes. So it doesn't have multiple sweet spots. Instead, the New 3DS actively changes its sweet spot based on the location of your eyes.
+Jeffrey Grubb thank you for your reply. One last question, if there were to be 2 people side by side using the new 3ds XL, would that mean that there would be 2 sweet spots? or would that mean only one person can see in full 3D
+Hissan Sama Only one person could see it
+Hissan Sama Because it only tracks one pair of eyes
Hissan Sama That would actually be impossible, even if the camera does track 2 people at once
The 3D make me feel uncomfortable and a little dizzy for 10 or 15 minutes after starting playing or watching a movie, i got a headache in a pirates of the caribbean movie one time and it is hard for my eyes to get used to some 3d effects but eventually i can get used to it, to not suffer at all i just bought the 2DS XL yesterday which is even cheaper.
If you have motion sickness dont force yourself to 3D, i am not trying to offend 3ds users because i love the 3D it looks cool, but even if you dont have the stomach problem with the 3D dont force.
"Like"
“hopefully they’ll integrate it into everyday life”
-said ten years ago
There's always that 1 guy. lol
Yo Fatomar!
2019
They are backwards according to another youtuber.
I am here after Google Introduce STAR-LINE