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Search: Posts Made By: Oscar Spierenburg
Forum: Apertus: Open Source Cinema Project August 20th, 2008, 05:17 AM
Replies: 1,114
Views: 300,046
Posted By Oscar Spierenburg
I like the idea. I also liked the camera body for...

I like the idea. I also liked the camera body for developers they where discussing at Elphel : 10349 - ElphelWiki (http://wiki.elphel.com/index.php?title=10349#Body_of_camera_for_developers)
Maybe...
Forum: Alternative Imaging Methods July 2nd, 2008, 04:51 AM
Replies: 7
Views: 2,629
Posted By Oscar Spierenburg
I've been taking apart old SLR cameras for their...

I've been taking apart old SLR cameras for their condensers. They are very good, even though they aren't made out of glass.
But I haven't found one yet which doesn't have a marker of some kind for...
Forum: Apertus: Open Source Cinema Project June 26th, 2008, 04:22 PM
Replies: 15
Views: 7,048
Posted By Oscar Spierenburg
That's true. We can only use this type of...

That's true. We can only use this type of viewfinder for framing the shot.
On the other hand, maybe it could be enough for the Elphel project, because there is a new feature in development that...
Forum: Apertus: Open Source Cinema Project June 24th, 2008, 07:27 PM
Replies: 1,114
Views: 300,046
Posted By Oscar Spierenburg
Sebastian , somehow PM is disabled on my account....

Sebastian , somehow PM is disabled on my account. Can you sent an email? (lijsten@degalerie.nl) Thanks.



I started another thread about that, because it could also apply to other DIY camera...
Forum: Apertus: Open Source Cinema Project June 20th, 2008, 12:00 PM
Replies: 15
Views: 7,048
Posted By Oscar Spierenburg
Yes, live image off the camera is the best and...

Yes, live image off the camera is the best and final solution, but in the mean time we should work something out so we can actually use the camera while testing etc.
I don't know about the Sumix...
Forum: Apertus: Open Source Cinema Project June 19th, 2008, 09:26 AM
Replies: 15
Views: 7,048
Posted By Oscar Spierenburg
Viewfinder options (DIY-HD-CAMS)

I thought I'd start a new thread on this subject. The best solution for home-brew HD cameras is of course a real time stream directly from the sensor to a monitor.
But because most projects around...
Forum: Apertus: Open Source Cinema Project June 17th, 2008, 06:45 PM
Replies: 1,114
Views: 300,046
Posted By Oscar Spierenburg
Juan, Obin is high regarded on this forum by a...

Juan, Obin is high regarded on this forum by a lot of people including me. All your work and comments are much appreciated too. I remember reading Obin's first discussions, regarding it as...
Forum: Apertus: Open Source Cinema Project June 17th, 2008, 04:22 PM
Replies: 1,114
Views: 300,046
Posted By Oscar Spierenburg
One thing Juan forgets... Elphel is a...

One thing Juan forgets... Elphel is a continuously developing project. We have seen a big development from the first version to the one we have now. The captain of this is a very intuitively working...
Forum: Apertus: Open Source Cinema Project June 16th, 2008, 05:18 AM
Replies: 1,114
Views: 300,046
Posted By Oscar Spierenburg
Odd, have you read this wiki page:...

Odd, have you read this wiki page: http://wiki.elphel.com/index.php?title=Camogm about the software to control the HDD recording?
They are working on a new version (see Camogm2) that also records...
Forum: Apertus: Open Source Cinema Project June 12th, 2008, 01:58 PM
Replies: 1,114
Views: 300,046
Posted By Oscar Spierenburg
Jose, actually, the hard-disk recording project...

Jose, actually, the hard-disk recording project was meant to lower the burden on the PC/laptop so it could use more of it's power for compression quality.
Daniel took up the project to help develop...
Forum: Apertus: Open Source Cinema Project June 12th, 2008, 10:01 AM
Replies: 1,114
Views: 300,046
Posted By Oscar Spierenburg
I've updated the chroma key sample with the 333....

I've updated the chroma key sample with the 333. It's just a test, but I noticed a light line around the keyed figure, so I got rid of that and uploaded a less compressed file:
...
Forum: Apertus: Open Source Cinema Project May 31st, 2008, 05:34 AM
Replies: 1,114
Views: 300,046
Posted By Oscar Spierenburg
This thread has been far too quiet. Let me start...

This thread has been far too quiet. Let me start with some chroma key footage (outdoors green screen) shot with the Elphel. I had to use the 333 model because the 353 I got doesn't seem to respond...
Forum: Alternative Imaging Methods May 8th, 2008, 07:53 AM
Replies: 6
Views: 2,389
Posted By Oscar Spierenburg
Some of those cheap Minolta lenses are very...

Some of those cheap Minolta lenses are very bright. I got one for free too and used it till now on a homemade wax adapter. It's a 58mm F1.4 lens, so quite fast.
You could try to make your own lens...
Forum: Apertus: Open Source Cinema Project March 27th, 2008, 08:27 AM
Replies: 1,114
Views: 300,046
Posted By Oscar Spierenburg
Just a quick note from me. I wish we could...

Just a quick note from me.
I wish we could gather a little group with people who view these things as a continuously developing project. Andrey (from Elphel) is the impersonation of 'open source',...
Forum: Apertus: Open Source Cinema Project February 14th, 2008, 04:52 PM
Replies: 1,114
Views: 300,046
Posted By Oscar Spierenburg
Another thread was started some days ago about...

Another thread was started some days ago about the Elphel image quality. How about posting everything about image sharpness, color and compression over there? ...
Forum: Apertus: Open Source Cinema Project February 14th, 2008, 03:37 PM
Replies: 52
Views: 11,988
Posted By Oscar Spierenburg
So, what do you think Brandt? Maybe this is a...

So, what do you think Brandt? Maybe this is a good start to discuss and improve the image of the camera.
First of all, you'll notice the compression, if you zoom in you'll also notice that the...
Forum: Apertus: Open Source Cinema Project February 14th, 2008, 01:46 PM
Replies: 52
Views: 11,988
Posted By Oscar Spierenburg
There is some footage in the Elphel 333 thread...

There is some footage in the Elphel 333 thread and on this (http://wiki.elphel.com/index.php?title=HD_cinema_camera_Development_FAQ) page. The new 353 camera isn't really tested yet for film purposes.
Forum: Apertus: Open Source Cinema Project February 2nd, 2008, 06:53 PM
Replies: 8
Views: 4,918
Posted By Oscar Spierenburg
Optical viewfinder discussion

I'd like this to be a general discussion, but to quickly sum up my project:
I've made an optical viewfinder on the Elphel 353 cmos camera. Because of the small size of the sensor, I was able to use...
Forum: Apertus: Open Source Cinema Project February 1st, 2008, 07:44 PM
Replies: 1,114
Views: 300,046
Posted By Oscar Spierenburg
Not really(my 333 is 12v), but Andrey spoke about...

Not really(my 333 is 12v), but Andrey spoke about a voltage doubler-kind- of device, so I was more or less pointing out the possibilities in the near future.

I have the hard-drive right here, I...
Forum: Apertus: Open Source Cinema Project February 1st, 2008, 07:13 PM
Replies: 1,114
Views: 300,046
Posted By Oscar Spierenburg
Odd, interesting post. I was looking into those...

Odd, interesting post. I was looking into those lenses myself recently.
In my opinion, an Elphel(+hard disk) with OVF(optical viewfinder) and a simple focus assistant in the software on a mobile...
Forum: Apertus: Open Source Cinema Project February 1st, 2008, 03:43 PM
Replies: 1,114
Views: 300,046
Posted By Oscar Spierenburg
...I'm very anxious to play with that new...

...I'm very anxious to play with that new feature, Andrey. I think it'll prove to be a perfect combination with the optical viewfinder.
Forum: Apertus: Open Source Cinema Project February 1st, 2008, 03:39 PM
Replies: 1,114
Views: 300,046
Posted By Oscar Spierenburg
Brandt, I've made the VF adjustable (making sure...

Brandt, I've made the VF adjustable (making sure I it's roughly in the same range of the sensors focal point.) I've just began comparing the picture from the sensor with the image in the VF. The...
Forum: Apertus: Open Source Cinema Project January 31st, 2008, 05:29 PM
Replies: 1,114
Views: 300,046
Posted By Oscar Spierenburg
Marie, I don't know yet, the wiki says they...

Marie, I don't know yet, the wiki says they tested 1920x1072 video at 24 FPS.

I was discussing the rolling shutter artifact with Andrey and Daniel. I never really tried virtualDub deshaker, but my...
Forum: Apertus: Open Source Cinema Project January 28th, 2008, 07:45 PM
Replies: 1,114
Views: 300,046
Posted By Oscar Spierenburg
Ronald, thanks for you kind, but... strange...

Ronald, thanks for you kind, but... strange words. I guess I know what you mean, and I am encouraged.
I really like combining the 'best of the old' and 'the best of the new'. One should respect...
Forum: Apertus: Open Source Cinema Project January 25th, 2008, 05:22 PM
Replies: 1,114
Views: 300,046
Posted By Oscar Spierenburg
Here just an update. I nearly finished a rod...

Here just an update. I nearly finished a rod support suitable for the Elphel and all the things that need to be attached from time to time, like the 35mm adapter and bigger lenses than normal...
Showing results 101 to 125 of 725

 


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