Stereoscopic Filming Tutorial?????

Post by **cardinalstud08** » Mon Jun 02, 2008 12:12 am

What's up, folks?!

I've had my 3d setup for a while now. I have a 1080p 56" Samsung DLP with the tridef 3d gear. I also bought two DSLRs to take 3d pictures and two Sony HD camcorders to record 3d HD video. My problem is that I don't really know how far apart to put the cameras/camcorders (the camcorders are more important) when recording, and trial & error is too exhausting. Is there a tutorial around that tells me exactly how far apart my cameras should be, at what angle, or how far from my object given different scenarios, etc? I want my 3d videos to be as realistic as possible--after all, I've obviously shelled out a couple of perfectly good paychecks to be able to do all this!!!

Thanks!

Post by **LukePC1** » Mon Jun 02, 2008 3:07 am

Hi & welcome to the forum.

You have some nice plans there. It would be cool, if you could upload some of the videos you will make.

Here is someone with a similar problem:
http://mtbs3d.com/phpBB/viewtopic.php?t=1383

From what I read in this forum it is best to choose about eye-distance (ca. 6cm) for the distance between the 2 cameras. This would be easiest on the eyes. I like a higher 3D effect, though.
This distance depends on the objects you film and how far they are away. You can experience it yourself. If you are realy close to something it's hard to focus on it for a long time.
--> hold your hand ca. 10 cm infront of your face and try to focus it for a minute. I just tried and it gets hard after some time...
For such near objects a lower seperation than eye distance would be good.

If you film things very far away, the cameras need to be further appart.
--> Do you see the mountains near the horizon in 3D? They are 3D, so if your seperation is high enough (some Meters) they will be recognizeable in 3D.

Easiest and most promising is to mount them on a board with about eye distance and with an angle both cameras see the same things. It's disturbing, if you have a picture where one eye sees an object where the other eye does not see it at all...

Other Idea is to align them perfectly paralell.

Post by **Freke1** » Mon Jun 02, 2008 4:47 am

It's very easy making 3D videos if You use StereoMovie Maker: http://stereo.jpn.org/eng/index.html
You can adjust the 3D and cut/syncronize the videoclips. The only thing that's important is that the cameras don't tilt sideways because You can't rotate the videoclips. If You make Your videos with "right image first" then they can be watched crosseyed (without 3D equipment).
Mounting the cameras at eyedistance and aiming them parallel works well except for objects closer than 1 meter/3 feet.
I've also started making 3D videos and posted them here: http://www.3d.wep.dk/3dgallery.html due to the huge lack of 3D videos and because it's so damn fun

.

It looks like the pro 3D movie cameras aim at the object of interest: http://video.google.com/videoplay?docid ... 3911842846
rather than infinity though.

For realistic 3D You must adjust the separation of distant objects so that they are displayed with eyedistance on Your chosen monitor/screen size. It's different for a 19" monitor and a 100" projector screen offcause. But making 2 versions is also very easy.

Looking forward to Your 3D HD homevideos - that will totally rock.

Post by **cardinalstud08** » Mon Jun 02, 2008 10:10 pm

Okay, boys, I figured it out (a little bit). Here's my post to where I linked a sample video. I think I accidentally posted to the wrong section, but oh well. Here's the link, anyway!!!

http://mtbs3d.com/phpBB/viewtopic.php?p=10092#10092

Post by **itou31** » Tue Sep 09, 2008 7:57 am

Hi, I have the same idea/problem for filming objects. It's not easy.

Here's my try:
http://zorgzorg31.free.fr/Luigi/temp/bo ... 720p_l.mp4
http://zorgzorg31.free.fr/Luigi/temp/bo ... 720p_r.mp4

This my cam rig 5 cm eye distance and about 5° for each cam to the center for the clip above.
http://zorgzorg31.free.fr/Luigi/temp/cam.JPG

edit : link fixed, sorry

Post by **LukePC1** » Tue Sep 09, 2008 12:23 pm

somehow your first two links are partly missing... would be nice to post the full link...
thanks for sharing the Video

Post by **NITRO1250** » Tue Sep 09, 2008 1:34 pm

If you want a more professional approach to making movies, setup your camera rigs appropriately and shoot some video with each cam. Get a copy of Adobe After Effects. The software has a built in "3d Glasses" feature for things just like this.

Stereoscopic Filming Tutorial?????

Stereoscopic Filming Tutorial?????

Here's a test!