Introduction: Taking 3D Videos Using Pulfrich Effect

Pulfrich effect

Pulfrich effect is awesome.

Using it one can take 3D videos with a simple vidcam, without glasses, gadgets, etc.

That is as simple as to be risen to a vehicle that have windows toward the lateral, to aim the camera toward the side while this circulates slowly, and to press the shutter.

The optimum velocity, for a standard camera of 30 frames per second, is about 7,5 Km/h (4,66 Mi/h), but this is very elastic, I have verified that even to velocities over 30 Km/h (18 - 19 Mi/h) the effect is produced.

Step 1: Viewing 3D Pulfrich Effect

Once obtained the video, to appreciate it is as easy as the previous thing. A sun glass is taken, not very clear neither too dark, and it is put in front to the eye pertaining to the window by the one that the camera was aimed.

I will clarify this point, that is very important: A LENS of a sun glass is taken, not the pair. If the video was obtained aiming at the right, the dark lens is put in front of the right eye. If the video was obtained aiming at the left, the dark lens is put in front of the left eye. THE OTHER EYE SHOULD REMAIN OPEN, TOO.

That is all, folks.

Is not incredible?

Me I will not offend if some of you think that I am doing you a joke, or telling a lie. Test it and you will verify it for yourself. It is easy and cheap.

So that you can see that I am not a lier, last night I uploaded to YouTube two videos taken during the holidays with that technique. 'DO'NT LOOK THEM IF YOU THINK I AM DOING THIS TO OBTAIN VISITS TO YOUTUBE', that does not worry me it more minimum.

The videos link are RIGHT EYE and LEFT EYE

Comments

author
admin (author)2008-04-25

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author
rimar2000 (author)admin2008-04-25

And now? I did the possible. Thanks for the advice.

author
tinker234 (author)2012-02-25

is there a way to do this for both eyes uncovered

author
rimar2000 (author)tinker2342012-02-26

Yes? I did'nt know that, please share it!

author
jackmingo (author)2009-07-10

I know this is a year after the discussion above, but I wanted to add that I think they've got the sunglasses reversed. At least, to my eye, following their directions on both images gives a muddled, flat view...but when I cover the right eye where they say left, and vice versa, I get a pretty vivid 3D effect.

author
rimar2000 (author)jackmingo2009-07-10

Jackmingo, I don't know what to say you. The stereo vision mechanism they are too intrincate for a simple explanation. I could learn there are 5 phenomenae implicate in 3d vision: 1) perspective; 2) two images composition; 3) movement; 4) eyes convergence or parallax; 5) at short distances, crystalline focus. Some persons can't see stereograms, others can't appreciate anaglyphs, others feels dizziness. You case is another. Spanish (original) version: Jackmingo, no sé qué decirte. El mecanismo de visión estéreo es demasiado intrincado para una explicación simple. Yo pude aprender hay 5 fenomenos implicados en la visión 3D: 1) perspectiva, 2) composición de dos imágenes, 3) movimiento, 4) convergencia de los ojos o paralaje; 5) en distancias cortas, el enfoque del cristalino. Algunas personas no pueden ver los estereogramas, otros no pueden apreciar anaglifos, otros sienten mareos. El tuyo es otro caso. buscar > cambiar

author
jackmingo (author)rimar20002009-07-11

You may well be right. I went out and created my own video, duplicating the left to right movement in your second video below. I was in a more urban setting, so there were trees, buildings, mailboxes, and a playground pretty close to the camera (and of course the resolution was better than below). In that case, the 3D was clear and striking with the lens on the right eye, which is how it should be with the theory as I understand it. Thanks.

author
rimar2000 (author)jackmingo2009-07-11

Maybe I AM IN ERROR. I know the 3D sense is a little subjective. I see the videos in stereo putting the glasses as I say in them. ¿Can you put your video in the web? Youtube or so. I would like to see it. My personal email is rimar2000@gmail.com.

author
iectyx3c (author)2009-04-25
Cool full-color 3D video by Rimar2000. Superb use of the well-known Pulfrich Effect optical illusion.

Hold the dark lens from a pair of ordinary sunglasses over your LEFT eye and watch his video:


author
rimar2000 (author)iectyx3c2009-04-25

Thank you, Bruce

author
iectyx3c (author)2009-04-25
Brilliant !!!

Rimar2000 uses the famous Pulfrich effect to make 3D movies.

Wear a pair of sunglasses crooked so only one eye is covered.

Now watch his video. For this video cover your right eye.


author
rimar2000 (author)iectyx3c2009-04-25

Thank you, Bruce

author
geekdude (author)2008-07-11

huh?

author
rimar2000 (author)geekdude2008-07-11

reret!

author
earlyflyer (author)2008-07-03

Interesting. Subtle, but it seems to work. If I understand it correctly, if you shoot the video image out of the left window, you place the sun glass lens over your left eye. Right window, right eye. Thanks!

author
rimar2000 (author)earlyflyer2008-07-03

Yes, it is that way. If you go at approx. 7.5 Km/h, the effect is better. I think that this depends on the glass darkness also. Pardon my "automatic translator" English.

author
bhunter736 (author)2008-06-13

I am curious, but am not quite getting the picture. To film for this affect, I have to make sure to maintain left or right movement? The direction I slowly pan will decide which eye I need to cover later when I watch it back? Am I getting it? : )

author
rimar2000 (author)bhunter7362008-06-13

Yes, it is. More uniform the left or right movement, and more near 7.5 Km/h, better Pulfrich effect.

author
bhunter736 (author)rimar20002008-06-14

Thanks for the quick response. Im off today and maybe I will charge up the camera and play. : )

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