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Drama 2/3" CCD prototype


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#1 Emanuel A Guedes

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Posted 08 August 2010 - 08:40 AM

Otis has spent his last three years of his life to research and develop his full HD uncompressed camera. Photos released today:

http://www.dvxuser.c...d=1#post2071409

Posted Image
Sample extracted from the prototype

It seems we need a new sub-forum one of these days humm, Stephen? ;)
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#2 Frank Glencairn

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Posted 09 August 2010 - 07:32 AM

I was watching Otis`s project since his first day.
CanĀ“t wait to get my hands on the DRAMA, the images it delivers are fantastic.

Drool, Frank

BTW, your post - over at the Red forum - survived 16 hrs, before they locked it down. Not bad.
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#3 John Sprung

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Posted 09 August 2010 - 01:02 PM

"Drama?" -- Strange choice of name for a 2/3". ;-) We shoot our dramas on F-35's, Arri's, Genesis, Red, etc. -- all big single chip cameras. It's the sitcoms that use 2/3". Focus pulling on takes that run eight minutes with loads of dolly moves is a challenge, and the DOF of 2/3" helps a lot.




-- J.S.
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#4 Phil Rhodes

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Posted 09 August 2010 - 01:27 PM

I've only skimmed the posts over at DVX user, and I wish we could get this guy to come and post here too.

His approach is refreshingly straightforward, and he seems to have a grown-up attitude to excessively clever attempts at demosaicing which bodes well.

P
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#5 Otis Grapsas

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Posted 17 November 2010 - 07:22 AM

Thank you for the comments:)
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#6 Otis Grapsas

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Posted 17 November 2010 - 07:34 AM

"Drama?" -- Strange choice of name for a 2/3". ;-) We shoot our dramas on F-35's, Arri's, Genesis, Red, etc. -- all big single chip cameras. It's the sitcoms that use 2/3". Focus pulling on takes that run eight minutes with loads of dolly moves is a challenge, and the DOF of 2/3" helps a lot.




-- J.S.


Drama is what cinema is for me, so I thought it would make a good name for the project.

The sensor size does not tell the full story before we put the lens aperture into the equation. The sitcoms that are actually shot on 2/3" use zoom lenses limited to small apertures and typically significantly stopped down. My design is using a single sensor and it does not have a prism in the optical path, so it can use any aperture. I have used f0.95 and f1.4 with good results and these match the shallow DOF of 1.85:1 35mm film at f1.9 and f2.8. The 2/3" deep DOF power in low light is there when you need it, but typical 35mm DOF is also possible with fast lenses and it's achieved while preserving the 2 stop low light advantage of a 2/3" camera.

Edited by Otis Grapsas, 17 November 2010 - 07:34 AM.

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#7 Phil Rhodes

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Posted 17 November 2010 - 07:48 AM

How do I get ahold of one of these to play with? :)

P
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#8 Otis Grapsas

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Posted 17 November 2010 - 08:03 AM

How do I get ahold of one of these to play with? :)

P


At this time, the only option would be to visit my lab in Athens:)
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#9 Frank Glencairn

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Posted 17 November 2010 - 03:10 PM

Good you finally made it over here Otis.

Welcome, Frank
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#10 Adrian Sierkowski

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Posted 17 November 2010 - 05:13 PM

Otis,
nice looking stuff. Do keep us updated over here.
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#11 Otis Grapsas

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Posted 17 November 2010 - 11:09 PM

I will post something when I put Drama into production. There is not much room for feedback at this point. This project has been getting feedback for 3 years.

1) There was a large thread on dvinfo started by a partner who eventually got banned. The thread was removed when it clashed with the interests of one of the site sponsors.

2) There was a thread on dvxuser started by one of the members and this one produced a lot of interesting feedback. My point of view on dSLR marketing methods in some thread clashed with the interests of some people. The project was banned from dvxuser and the feedback thread was removed as a sideeffect. Perhaps it was all an excuse.

3) Emanuel also posted a thread on Reduser about this project, but no feedback from there, it didn't live very long:)

So one could say this project is officially banned on three forums.

An interesting detail is that I joined cinematography.com in 2007 because I was interested in emulating film with precision. I found that nobody had actually attempted to do a full emulation of the process, so I started testing. 3 long years later, I'm very satisfied with the results, within the limitations of every given digital sensor of course.

But I'm not here to discuss Drama. Drama is complete. I will gladly contribute to any imaging related discussions though.
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