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Old September 1st, 2004, 01:36 PM   #1
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A question about the Pal XL2 CCD

The specs for the pal Xl2 say that in wide screen it uses 960 pixel horizontally, the NTSC model does too. So, there is no more pixels horizantally in the pal than in NTSC. However the Pal chip has 800,000 pixels per CCD while NTSC has 690,000. There has to be more pixels vertically (not that the pal needs anymore than the NTSC) in the Pal version. I already now the NTSC chip is 960x720, so what's the pal version's? All i can think of is that it is 960x850
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Old September 1st, 2004, 05:12 PM   #2
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Pal has 576 and NTSC 480 vertical Pixel.


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Old September 1st, 2004, 05:24 PM   #3
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I know that. I'm talking about the entire CCD Block not the video standard
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Old September 1st, 2004, 05:28 PM   #4
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If the PAL one has 800,000 pixels and it's still 960 wide then height must be 833.

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Old September 2nd, 2004, 06:31 AM   #5
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We know for sure that the NTSC chips have a certain area above
and below the "content" area that are not being read (to get a
16:9 CCD). I assume on PAL the content area is simply increased
and the not used areas are decreased. That sounds like a simple
and perfect workable plan to me. I don't think they would put
different chips in there. Makes sense?
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Old September 2nd, 2004, 08:54 AM   #6
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Hi Rob,

nice idee but this can not work.

If "the content area is simply increased" its no longer 16:9 ratio. So it must be another chip used.


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Old September 2nd, 2004, 09:22 AM   #7
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If the total pixels count isn't the same, it can't be the same chip.
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Old September 2nd, 2004, 09:35 AM   #8
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Jean-Philippe: I'm pretty sure they are talking about effective
pixel counts, not the maximum number of pixels on the CCD's.

Daniel: yes it will due to pixel aspect ratio's. Ofcourse it will
probably have a wider resolution as well to get the different PA
in the first place.

Then again it could be different chips as well. There also concerns
for DoF and FoV, ofcourse.
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Old September 2nd, 2004, 10:51 AM   #9
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I mean. If it is the same chip - it must be also the same pixel size. And so the content area can not in both case 16:9


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Old September 2nd, 2004, 06:53 PM   #10
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Different CCD's in the PAL XL2.

See this page for more info:

http://www.dvinfo.net/canonxl2/articles/article06.php
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Old September 5th, 2004, 03:57 AM   #11
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Thanks Chris! I somehow missed that.
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