20D DOES VIDEO !!!

Archived from groups: rec.photo.digital (More info?)

An earlier thread had some links to cool uses
of the Canon 20D as a camcorder. I did some
preliminary testing of this method today,
shooting a frame every 2 seconds.
So every minute of actual time is about
1 second of video.

Here's a few seconds showing the result:

http://members.aol.com/annika1980/clouds.wmv

Note: If the link doesn't want to work try copying
the URL into Windows Media Player.
Those of you with Macs ....... get a job!

Archived from groups: rec.photo.digital (More info?)

Newsflash: my butter knife can double as a screwdriver.

In other words--big freaking deal. The 20D is a D-SLR, not a camcorder. The
morons expecting it to be a camcorder need to get a grip or check into
Bellvue.

LRH

"Annika1980" <annika1980@aol.com> wrote in message
news:1115090238.435335.64770@z14g2000cwz.googlegroups.com...
> An earlier thread had some links to cool uses
> of the Canon 20D as a camcorder. I did some
> preliminary testing of this method today,
> shooting a frame every 2 seconds.
> So every minute of actual time is about
> 1 second of video.
>
> Here's a few seconds showing the result:
>
> http://members.aol.com/annika1980/clouds.wmv
>
> Note: If the link doesn't want to work try copying
> the URL into Windows Media Player.
> Those of you with Macs ....... get a job!
>

Archived from groups: rec.photo.digital (More info?)

Very cool, what software do you use to put it all together?

thanks

Eric


"Annika1980" <annika1980@aol.com> wrote in message
news:1115090238.435335.64770@z14g2000cwz.googlegroups.com...
> An earlier thread had some links to cool uses
> of the Canon 20D as a camcorder. I did some
> preliminary testing of this method today,
> shooting a frame every 2 seconds.
> So every minute of actual time is about
> 1 second of video.
>
> Here's a few seconds showing the result:
>
> http://members.aol.com/annika1980/clouds.wmv
>
> Note: If the link doesn't want to work try copying
> the URL into Windows Media Player.
> Those of you with Macs ....... get a job!
>

Archived from groups: rec.photo.digital (More info?)

On Tue, 3 May 2005 07:08:30 -0400, "SimonLW" <anon@anon.com> wrote:

>"Larry R Harrison Jr" <noone@noone.com> wrote in message
>news:RjCde.9010$fI.6512@fed1read05...
>> Newsflash: my butter knife can double as a screwdriver.
>>
>> In other words--big freaking deal. The 20D is a D-SLR, not a camcorder.
>> The morons expecting it to be a camcorder need to get a grip or
>> check into Bellvue.
>
>And a video camera is really a still camera with a very fast motor drive : )

Actually, there's a fairly substantial difference between a still
camera and a video/motion camera. A perfect video camera keeps it's
shutter open 100% of the time - the reality is probably something like
90-95% (a guess), standard still cameras are not capable of anywhere
near this except in cases of long exposures (30secs or more for each
frame). So, it's not just frame rate, but the mark-space ratio of the
motion being captured within each frame that makes smooth video.

--
Owamanga!
http://www.pbase.com/owamanga

Archived from groups: rec.photo.digital (More info?)

"Larry R Harrison Jr" <noone@noone.com> wrote in message
news:RjCde.9010$fI.6512@fed1read05...
> Newsflash: my butter knife can double as a screwdriver.
>
> In other words--big freaking deal. The 20D is a D-SLR, not a camcorder.
> The morons expecting it to be a camcorder need to get a grip or check into
> Bellvue.
>

Actually, We're probably only a decade away from being able to pull out a
12MP frame from 30 fps.

Archived from groups: rec.photo.digital (More info?)

In message <vbOde.287$T3.1820@typhoon.sonic.net>,
"Dave R knows who" <kilbyfan@spamnotAOL.com> wrote:

>
>"Larry R Harrison Jr" <noone@noone.com> wrote in message
>news:RjCde.9010$fI.6512@fed1read05...
>> Newsflash: my butter knife can double as a screwdriver.
>>
>> In other words--big freaking deal. The 20D is a D-SLR, not a camcorder.
>> The morons expecting it to be a camcorder need to get a grip or check into
>> Bellvue.
>>
>
>Actually, We're probably only a decade away from being able to pull out a
>12MP frame from 30 fps.

Well, smooth 30fps requires a little temporal blur in each frame, so I
wouldn't count on any action-stopping. You don't get smooth video from
freeze-frames until the framerate is up near 100 fps.
--

<>>< ><<> ><<> <>>< ><<> <>>< <>>< ><<>
John P Sheehy <JPS@no.komm>
><<> <>>< <>>< ><<> <>>< ><<> ><<> <>><

Archived from groups: rec.photo.digital (More info?)

"Larry R Harrison Jr" <noone@noone.com> wrote in message
news:RjCde.9010$fI.6512@fed1read05...
> Newsflash: my butter knife can double as a screwdriver.
>
> In other words--big freaking deal. The 20D is a D-SLR, not a camcorder.
The
> morons expecting it to be a camcorder need to get a grip or check into
> Bellvue.
>
> LRH
>
> "Annika1980" <annika1980@aol.com> wrote in message
> news:1115090238.435335.64770@z14g2000cwz.googlegroups.com...
> > An earlier thread had some links to cool uses
> > of the Canon 20D as a camcorder. I did some
> > preliminary testing of this method today,
> > shooting a frame every 2 seconds.
> > So every minute of actual time is about
> > 1 second of video.
> >
> > Here's a few seconds showing the result:
> >
> > http://members.aol.com/annika1980/clouds.wmv
> >
> > Note: If the link doesn't want to work try copying
> > the URL into Windows Media Player.
> > Those of you with Macs ....... get a job!
> >
>
>
And a video camera is really a still camera with a very fast motor drive : )

Archived from groups: rec.photo.digital (More info?)

On 04 May 2005 07:16:31 EDT, "jimkramer"
<Sophomoric1_jim@NOSPAMjlkramer.net> wrote:

><JPS@no.komm> wrote in message
>news:kvkg711fhh8h7dhdr94pnior5s962q5kr9@4ax.com...
>> In message <vbOde.287$T3.1820@typhoon.sonic.net>,
>> "Dave R knows who" <kilbyfan@spamnotAOL.com> wrote:
>>
>>>
>>>"Larry R Harrison Jr" <noone@noone.com> wrote in message
>>>news:RjCde.9010$fI.6512@fed1read05...
>>>> Newsflash: my butter knife can double as a screwdriver.
>>>>
>>>> In other words--big freaking deal. The 20D is a D-SLR, not a camcorder.
>>>> The morons expecting it to be a camcorder need to get a grip or check
>>>> into
>>>> Bellvue.
>>>>
>>>
>>>Actually, We're probably only a decade away from being able to pull out a
>>>12MP frame from 30 fps.
>>
>> Well, smooth 30fps requires a little temporal blur in each frame, so I
>> wouldn't count on any action-stopping. You don't get smooth video from
>> freeze-frames until the framerate is up near 100 fps.
>> --
>That's interesting as flicker fusion occurs at 16 fps for "most" people. and
>that whole 30 fps is just a rip off of the power supply sine wave.

You are talking about a crazy method that ceased 35 years ago. Ever
since color, NTSC has been 29.97fps and the frame sync has been part
of the video signal, not the frequency of the PSU.

16fps you quote is a minimum for direct vision, and as you mention,
many people can still see it. Our peripheral vision can see flickering
at much faster frequencies - try your monitor at 50Hz, it'll give you
a headache within 20 minutes or so - every time you move your eyes,
you'll see the flicker. Fast moving objects, large screens or moving
eyes all require the fps to be significantly higher than 16fps.

100fps JPS mentions would bring the effective shutter speed to
1/100th, which is barely enough to stop motion, and is no substitute
for the creativity that a variable shutter speed device like a film or
digital camera gives you.

--
Owamanga!
http://www.pbase.com/owamanga

Archived from groups: rec.photo.digital (More info?)

"Russell" <nospam@nospam.com> wrote in message
news:Vv2dnZ6sO8oCguTfRVnyjA@pipex.net...
>I dug it Annika 1980.
>
> As for that junior Larry bloke, for time lapse the 20D it is better than
> most video, as each image is high resolution.
>
>
>
> "Larry R Harrison Jr" <noone@noone.com> wrote in message
> news:RjCde.9010$fI.6512@fed1read05...
>> Newsflash: my butter knife can double as a screwdriver.
>>
>> In other words--big freaking deal. The 20D is a D-SLR, not a camcorder.
> The
>> morons expecting it to be a camcorder need to get a grip or check into
>> Bellvue.
>
>

I gave it a go the other night when a storm was brewing, its quite a cool
effect and the hi-res images look great on a large screen tv.
--
The UK SpeedTrap Guide" @ www.ukspeedtraps.co.uk
The UK Weather Guide" @ www.ukstorms.com

Archived from groups: rec.photo.digital (More info?)

In message <d5aauf$bdd@dispatch.concentric.net>,
"jimkramer" <Sophomoric1_jim@NOSPAMjlkramer.net> wrote:

>That's interesting as flicker fusion occurs at 16 fps for "most" people. and
>that whole 30 fps is just a rip off of the power supply sine wave.

Fusing occurs at a much lower rate than smooth video.

You seem to be technologically conservative, teetering on the edge of
what can be gotten away with. I am a progressive, and I like to see how
things can be bettered. I have spent many hours in the past
experimenting with frame rates, tweening and not tweening, syncing and
not syncing to the video refresh, and all I can say is that even 30fps
is inferior video that is "gotten away with".

--

<>>< ><<> ><<> <>>< ><<> <>>< <>>< ><<>
John P Sheehy <JPS@no.komm>
><<> <>>< <>>< ><<> <>>< ><<> ><<> <>><

Archived from groups: rec.photo.digital (More info?)

"jimkramer" <Sophomoric1_jim@NOSPAMjlkramer.net> writes:

>> Well, smooth 30fps requires a little temporal blur in each frame, so I
>> wouldn't count on any action-stopping. You don't get smooth video from
>> freeze-frames until the framerate is up near 100 fps.
>> --
>That's interesting as flicker fusion occurs at 16 fps for "most" people. and
>that whole 30 fps is just a rip off of the power supply sine wave.

Huh? At high brightness, the flicker fusion frequency is somewhere
above 70 Hz, particularly in peripheral vision. I can clearly see 60 Hz
flicker from a monitor if I'm not looking directly at it, while 72 or 75
Hz is OK.

Movie projection is normally 48 Hz (24 FPS with each frame flashed
twice, both flashes equal in time so the flicker is really 48 Hz with no
24 Hz component). This works because the flicker fusion frequency drops
with brightness. Even then, I often see flicker in bright highlights.
And small theatres, with brighter screen images, sometimes use
triple-flash (72 Hz) projection.

You can get away with a frame rate of 16 Hz to create an illusion of
motion (as some silent films used this frame rate), but the sound rate
of 24 FPS gives definitely better motion. And you get horrible flicker
if you project either of these single-flash.

Dave

Archived from groups: rec.photo.digital (More info?)

Cute.

Which river is it?