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Thread started 21 Nov 2010 (Sunday) 03:28
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60D video question, why only 640x480 crop mode?

 
MintMark
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Nov 21, 2010 03:28 |  #1

The 60D is my first DSLR with video and the first time I have tried to use video in any semi-serious way.

One impression I have is that the choice of formats to use is quite limited... I thought there would be more freedom to mix different frame sizes and frame rates. For example, if I use a small frame size I have to use a high frame rate, which means I can't get a brighter exposure by using a slower shutter speed. But I appreciate the need to stick with accepted standards and conventions.

Anyway, there is the 640x480 crop mode which is great for astrophotography (where the targets are small and we want all the detail we can get).

Given that the camera can do 1280x720 at a high frame rate and 1920x1080 at a normal frame rate, is there any reason why it couldn't do a 1280x720 and a 1920x1080 crop mode at the same frame rates? Just using that sized area from the middle of the sensor... that would be great for imaging larger features on the moon.


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Yapo
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Nov 21, 2010 06:56 |  #2

I dont have the 60D but i got the 7D a week ago and tried out video yesterday for the first time...3.4GB for just 10mins of video at 1080p 30fps!

using 720p wont help with lowering the file size by much if at all being limited to only 50 or 60fps.

So i'm left with using VGA 640 x 480 at 50/60 fps if i want/need to save space!

crop with 640 x 480 sounds like it would be pretty useful for taking long distance videos without needing switch to/carry a tele lens

wish that would be available on the 7D!

also having 24/25/30 fps as an option at 720p would be good as well!


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MARK1992
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Nov 21, 2010 07:04 |  #3

Yapo wrote in post #11320661 (external link)
I dont have the 60D but i got the 7D a week ago and tried out video yesterday for the first time...3.4GB for just 10mins of video at 1080p 30fps!

using 720p wont help with lowering the file size by much if at all being limited to only 50 or 60fps.

So i'm left with using VGA 640 x 480 at 50/60 fps if i want/need to save space!

crop with 640 x 480 sounds like it would be pretty useful for taking long distance videos without needing switch to/carry a tele lens

wish that would be available on the 7D!

also having 24/25/30 fps as an option at 720p would be good as well!

Not to mention the option to disable AGC.




  
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joe1946
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Nov 21, 2010 10:47 as a reply to  @ MARK1992's post |  #4

3.4GB for just 10mins of video at 1080p 30fps!

A 5min 17sec @1080p clip from the new Pentax K-5 uses 4GB !

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benesotor
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Nov 21, 2010 13:16 |  #5

Well you could always just shoot at 1080p and downsample the footage to 720/480. It's not like shooting at 720p actually lets you shoot any longer.
I agree, 60fps at 1080p would be nice, perhaps the processor/chip can't handle it.

re, epxousre... I'd just shoot at 1080p 30fps and downsample, allows you some longer shutter speeds. Having said that you ideally should be shooting at 1/60 at 30fps, and 1/125 for 60. This is why neutral density filters are so crucial in video and why most high-end video-cams have 4-stop ND's built in.

Yapo wrote in post #11320661 (external link)
crop with 640 x 480 sounds like it would be pretty useful for taking long distance videos without needing switch to/carry a tele lens

wish that would be available on the 7D!

You can on the 7D




  
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Ren ­ Tachino
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Nov 21, 2010 13:43 |  #6

If these things are a problem, then the 60D is not for you and I would recommend a dedicated video camera. The images that come out of these HDSLR's are amazing for their price point but you have to put up with the workarounds.




  
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60D video question, why only 640x480 crop mode?
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