[Konvas] OCT-19 mount adapter on a Canon EOS 5D

[Augustine Arredondo]

I think the whole sensor is being used, but in processing the info the
camera is throwing away (binning) a hell of a lot of lines to achieve that
video frame rate at that resolution.



On Fri, Nov 6, 2009 at 7:37 AM, <colcam at aim.com> wrote:

>
>  This is where mirror box design splits into several distinct groups--
>
> Large box and large mirror but smaller sensor
>
> Large box and smaller mirror with smaller sensor
>
> Small box and smaller mirror with smaller sensor
>
>
> Large box and large mirror with large sensor
>
>
> And on top of that "how much" of the sensor is used for the DV signal
> versus for still images, which creates new subcategories for each of the
> above.
>
> That's where the rub comes in.  You have to know not only the mirror box
> and mirror size and the sensor size, but how much of the sensor is used for
> what function at what time.
>
>
>
>
>
> -----Original Message-----
> From: Adam Frey <thefirstrule at chainsawlinux.com>
> To: Konvas Discussion List <cinema at konvas.org>
> Sent: Fri, Nov 6, 2009 9:46 am
> Subject: Re: [Konvas] OCT-19 mount adapter on a Canon EOS 5D
>
>
>
>
>
>
>
>
>
> Light Collision wrote:
>
> > Today I tried my OCT-19 mount adapter with the Canon EOS 5D.  Didn't
>
> > work very well. I was expecting that the wide lenses would vignette
>
> > too much but as with Panavision Primos you can use lenses all the way
>
> > down to a 35mm I was hoping the same would be the case with the
>
> > OCT-19 lenses. Not really. Only 75mm and up works and the 50mm after
>
> > the crop to 16:9 would be serviceable but still a little in the
>
> > corners. 35mm and lower hit the mirror and look like a pin hole.
>
> > Bugger as I was hoping it would work at least with the 35mm so it
>
> > would at least get a little wider. A 5D for normal and telephoto
>
> > lenses only would be a waste of the full frame sensor. Well,
>
> > shouldn't complain too much. At least all my lenses work normally
>
> > with the 7D and not even the 18mm wide open vignettes.
>
>
> Well, at least the 7D works with the OCT19 lenses (has anyone tried the
> GH1 yet?).
>
>
> BTW: Not that it helps for OCT19 lenses, but I've heard that Canon will
> be releasing new firmware for the 5D to allow 24fps.
>
>
>
> Cheers,
>
>
> Adam Frey
>
> Director/Cinematographer
>
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>
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>
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>
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