Canon, chdk stereo data maker and zoom

[coentje]

People,

I'm thinking about buying a fuji w3 d3. But I read about chdk for canon and stereo data maker. It's nice to have a long zoom range en make picures of lightning so chdk is nice to have. If it's possible I'm going to buy 2 Canon sx230's and make a slide to make pictures with different axis. I want to use stereo data maker and a remote control but is it possible to synchronise the zoom level. If I want to zoom to 45,3 mm (example) can I use one remote.

And the flash, shutter I assume that's easy. I already looked at the site of stereo data maker but couldn't find anything about zooming synchronisation.
Thank, a 3 d fan, Koen

 

[3dreal]

Hello, Good you want to start with Stereodatamaker. Before buying "your" preferred cams i would ask the experts of the yahoo-tech group stereodatamaker. link is on stereodatamaker-site.

If i were you i would buy the best(biggest sensor) SDM-cam S95, get zbar from werner bloos-digi-dat.de and switch from him. Ask him to add a 2.5mm plug for remote-triggering(radio, ir etc). S95 also has manual control and real apertures.
yes you can zoom with the switch but not during video. with no SDM-cams.

Panasonic announced a 3d-cam which should be better than fuji w3.

I would buy both s95(zbar with variable stereobase) and the new panasonic-certainly with fixed stereobase.

Why s95? because minimum stereobase is much smaller than with the cam you want.
Ok, it are good if you need longer FLs.

S95-people say 3D is sensational on 3DTVs.

 

[DirkL]

Panasonic announced a 3d-cam which should be better than fuji w3.

Why should it be better? Ok, it has a smaller focal length, 25 mm efl,
something I am missing with my W3, but the stereo base seems quite
small and the lenses are slower.
Although there are no facts out about this, I doubt the sensors will be
larger than in the W3. I wonder what Panny was thinking, I won't call
that competitive.

I hope the next Fuji W5 will be faster and wider, but I do not hold my breath.
Oh, and while I'm dreaming, an EVF and a larger sensor like s100/lx5
would also be nice.

And a variable stereo base up to 25 cm too.

 

[3dreal]

Panasonic announced a 3d-cam which should be better than fuji w3.

Why should it be better? Ok, it has a smaller focal length, 25 mm efl,
something I am missing with my W3, but the stereo base seems quite
small and the lenses are slower.
Although there are no facts out about this, I doubt the sensors will be
larger than in the W3. I wonder what Panny was thinking, I won't call
that competitive.

I hope the next Fuji W5 will be faster and wider, but I do not hold my breath.
Oh, and while I'm dreaming, an EVF and a larger sensor like s100/lx5
would also be nice.

And a variable stereo base up to 25 cm too.

my zbar has 80-200mm stereobase.

2. panasonic 3D-cam-data has never ever been released. you are confusing it with their stupid 3d-lens. see knallbertos threads about its limits. At least a start has been made.

 

[3dreal]

Fuji- first their were rumors for a new cam plus 3dmediaplayer coming this year but fuji denied.

I am sure they are now concentrating on the new pro-system. I am dreaming of a twinning-system, genlocked for 3dvideo.

 

[DirkL]

2. panasonic 3D-cam-data has never ever been released. you are confusing it with their stupid 3d-lens. see knallbertos threads about its limits. At least a start has been made.

No, check this:

http://news.cnet.com/8301-30685_3-20100860-264/panasonic-shows-off-3d-lumix-camera-prototype/

 

[Robert Anderson]

Announced, not released. Sadly there are few details or specs, no price, no samples and no release date. Hope it is better than the Fuji.

 

[steve ohlhaber]

THat picture is such a joke, the lenses are too close together. What a waste, nothing would be 3d, it would barely be a noticable 3d. It just shows that panasonic has no idea what 3d really is.

 

[3dreal]

W3-Stereobase too big-77mm or too small- W3, Panasonic Stereobase right or too small?

it all depends at which distance is your subject. You will need multiple cams or variable stereobase like in the SDM-system.

 

[DirkL]

W3-Stereobase too big-77mm or too small- W3, Panasonic Stereobase right or too small?

it all depends at which distance is your subject. You will need multiple cams or variable stereobase like in the SDM-system.

A dedicated stereo camera should have ortho-stereo IMHO, a cm more like the W3
is preferable.
This Panasonic will only be good for close-ups. A 3D niche.

Of course variable stereo base is the best thing, but hard to implement in a dedicated
3D cam.

 

[3dreal]

Best for multipurpose is actually canon s95 on zbar with gent-stereo-trigger-system. continuous-shooting with SINGLE-PRESSING is possible. More than two cams can easily be triggered. But mr bloos also has multicam-triggers(switches). i have a long-cable four-cam-switch. His switch-system is more compact. I would get both.

I would prefere a longer stereobase than what werner bloos has implemented on his s95-zbar.

One can live very good with this limit. a second pair side by side(not upside-down on zbar to get smallest base) is a better idea for longer base-distant shots. What do you do if one cam will brake, without a replacement? Must stop shooting for quite a long time.

One needs quite a lot of time to get ready shooting SDM the perfect way. But its fascinating.

BTW: toshiba has just announced a new 3d-smartphone.

http://www.3dtv.com/uncategorized/a-new-android-smartphone-contender-unveiled-with-autostereoscopic-3d-capabilities.php

 

[DirkL]

I am too thinking of a rig, with two s100s (not supported by SDM yet
but it will come), because I like the wider focal length of that camera.
The sensor seems also improved.
The thing I do not like with a rig is the bulk. But nothing is for free...

And yes, I too would like a larger stereo base, up to 25 cm would be nice,
with the possibility to mount the cameras vertical or horizontal.

Has anyone suggestions for such a bar?

 

[Robert Anderson]

I have three different 3D camera rigs with small stereo base. All work surprisingly well as long as the subjects are not too far away.

I have a Sony 3D camcorder, a pair of GoPro HD heroes, and an LG Thrill smartphone.

For wider stereo base, I have a pair of Canon G7's which I can use in portrait or landscape mode with my flipbracket, or separate much wider for hyperstereo.

 

[DirkL]

For wider stereo base, I have a pair of Canon G7's which I can use in portrait or landscape mode with my flipbracket, or separate much wider for hyperstereo.

Do you know the brand of your flip bracket, I do not find suitable ones on the web?

Thanks a lot!

 

[Robert Anderson]

I manufactured it myself. I designed it specifically for the Canon G7's so it probably would not work for other models.
Here is a picture of the bracket without the cameras mounted:

 

[3dreal]

s100s has cmos not CCD. Could be a big problem with rolling shutter in 3D-Videos, above all when images are scanned the opposite way depending camera-setup. Are their SDM-cams with Cmos?

With werners zbar one can mount cameras 110mm vertical. this is true for my zbar which is not available anymore.

pls go to SDM-Yahoo-group to discuss this further.

 

[3dreal]

How much is the additional distance in vertical use?

Their are fantastic constructions around. There is a very clever one but very expensive.

The problem is mainly, that the cams with the smallest stereobase do not have apertures.

 

[coentje]

3dreal,
Thank you for your answer, i will join the yahoo group to learn what's possible.

I also want to have telezoom range so i think my choice will be the canon sx230 but maybe i will change.

My question about zoom is not if you can zoom during video but if you can synchronize the both zooms. Camera 1 and 2 with 55,4 (example) mm and take a picture or movie and then zooming to 77,3 mm and take another picture or movie without concerning the stereo base. Or are the lenses different a little bit?
Thanks, Koen

 

[3dreal]

You can zoom before shooting by using the SDM-switch. Ask in the group. Ask also how to display FL onscreen(OSD= ONSCREEN DISPLAY). Set it to 2 to be big enough. This is to check if both cams have the same lens- settings.

 

[Lan]

To offer a different perspective. I started 3D photography with a pair of A480's running SDM. Recently I found a good price on a Fuji W3.

Whilst the image quality is better with the A480's, it was a lot more work to get everything going, and there's no easy way to view your 3D in the field.

I find the W3, despite it's annoyances, makes the shooting process so much easier and more spontaneous. In general it's a joy to use. The A480's weren't.

That said, the W3 has certain weaknesses. If you're planning to do macro work the multicamera/SDM route would probably be a better choice. I would also recommend the multicamera/SDM approach for night time work; as the W3 doesn't have an infinity focus mode, and has severe difficulties focussing in low light.