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Re: [OM] I really need all your help with a technical issue

Subject: Re: [OM] I really need all your help with a technical issue
From: David Irisarri <zuiko3000@xxxxxxxxx>
Date: Thu, 18 Aug 2011 13:01:41 -0400
Which Nikkor lens should I use? Using wide angle lenses with a full frame
sensor probably is not a good idea. What about a focal length between
50-200? I want to avoid distortion, chromatic aberration and vignetting as
much as possible. is it possible to zoom in and out with a computer?

Regards,

David


2011/8/18 Mark Kronquist <mak@xxxxxxxxxxxx>

> Not to stray from the pack but I suggest a Nikon D3 series for high ISO
> performance and high shutter speeds and superb color accuracy
> On Aug 18, 2011, at 9:50 AM, David Irisarri wrote:
>
> > Dear zuikoholics,
> >
> > As you probably know I have come to NY to live and today I met a guy who
> is
> > creating movies. I showed him my portfolio and he really likes it and we
> > have been taking for a couple of hours to know each other. He loves
> retaking
> > pictures of his movies being projected in a huge wall and he also likes
> > cropping them. He told me if I can help him with this issue in a couple
> of
> > weeks and I have been carefully thinking about the right procedure for
> > maximizing quality. He normally enlarges pictures a lot to be displayed
> in
> > galleries and I was thinking about several possibilities.
> >
> > First, I think we should rent an Olympus E-5 with the 35-100 f2 lens for
> > some reasons. The constant aperture and super high quality of the lens
> but
> > on the other hand I think a movie projected in a dark room it will
> require
> > using a high ISO even the aperture is high and the resolution is awesome.
> > Also 35-100 will help him to go inside the projected image and cropping
> the
> > part of the seen we wants.
> >
> > I also have been thinking that the camera should be working in manual
> mode
> > for some reasons:
> >
> > 1. I need to project the light in a white card and use manual white
> balance
> > because if I use AWB the camera depending on the scenes will get the
> wrong
> > WB for sure.
> >
> > 2. Manual exposure. If the scenes are dark or bright the camera will try
> to
> > get the right exposure leading to a wrong exposure in most of the scenes.
> I
> > wonder how I should calibrate the camera in order to get perfect
> exposures.
> > is it possible to project a middle grey to adjust the exposure of the
> > camera? I want to adjust the dynamic range of the camera according to the
> > projector contrast ratio. I was thinking to read the full specs of the
> > projector and adjust the exposure to capture deep shadows and bright
> > highlights.
> >
> > 3. If the movie is being played at 25 fps in a dark light, I need a
> minimum
> > shutter speed to capture a random frame of the movie.
> >
> > So maybe E-5 maybe is not the right tool for doing this. I also was
> thinking
> > in a PENTAX P65+ camera for capturing huge images with very high
> resolution.
> > The movie has a 16:9 format or even wider close to 2.11:1 aspect ratio.
> If I
> > use a four thirds sensor I´ll lose too much resolution.
> >
> > I really would appreciate your feedback, ideas, regarding to exposure,
> > etc...I would be glad to hear from you what is the best solution as I
> want
> > to create perfect pictures for him. Probably I should use Capture ONE
> Phase
> > V to control the camera from the Apple computer we are going to use.
> >
> > David Irisarri
> > --
> > _________________________________________________________________
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> > Themed Olympus Photo Exhibition: http://www.tope.nl/
> >
>
> --
> _________________________________________________________________
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> Themed Olympus Photo Exhibition: http://www.tope.nl/
>
>
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