AVS Forum - Search Results
Showing results 1 to 25 of 128
Search took 1.68 seconds.
Search: Keyword(s): ; Posts Made By: Chas Tennis
Forum: Camcorders   08-14-2014, 03:47 PM
Replies: 2
Views: 205
Posted By Chas Tennis
Monopod vs Hand Held for Panning Sports Videos

Has anyone had experience on comparing hand holding a video camera vs using a monopod for panning in sports (soccer, tennis, baseball, racing,..etc.)

Are there monopods that have scanning heads...
Forum: Camcorders   06-12-2014, 10:23 AM
Replies: 17
Views: 907
Posted By Chas Tennis
Rugby? They certainly do. But for £s it must be...

Rugby? They certainly do. But for £s it must be the UK and 50 Hz.
Scowl misled me.......

OP should consider same issues for 50 fps .........

(I do mostly 240 fps, shutter speed - 1/10,000...
Forum: Camcorders   06-12-2014, 09:10 AM
Replies: 17
Views: 907
Posted By Chas Tennis
The OP can decide for his application whether he...

The OP can decide for his application whether he wants to emphasize more attractive 30 fps playback or frames with less motion blur for more accurate analysis of locations. ? He also refers to some...
Forum: Camcorders   06-12-2014, 07:20 AM
Replies: 17
Views: 907
Posted By Chas Tennis
As far as I know there is no "shutter speed for"...

As far as I know there is no "shutter speed for" 60p fps. It could be set manually or by an automatic exposure control that could select faster shutter speeds for higher light levels.

I have an...
Forum: Camcorders   06-11-2014, 06:03 AM
Replies: 17
Views: 907
Posted By Chas Tennis
Lighting Issues - Indoors vs Outdoors, Shutter...

Lighting Issues - Indoors vs Outdoors, Shutter Speed & Motion Blur

http://www.kinovea.org/en/forum/viewtopic.php?pid=2033#p2033

It is nice for stop-action single-frame to have a fast shutter...
Forum: Camcorders   06-11-2014, 05:53 AM
Replies: 17
Views: 907
Posted By Chas Tennis
60 fps (or 50 fps) Progressive and Interlaced - ...

60 fps (or 50 fps) Progressive and Interlaced -

I do not know much about this area and my information is probably dated,

I read for sports that TV broadcasts were often using 60p 720. (Or 50p...
Forum: Camcorders   06-11-2014, 05:19 AM
Replies: 17
Views: 907
Posted By Chas Tennis
What sports?

What sports?
Forum: Camcorders   06-04-2014, 09:01 AM
Replies: 48
Views: 14,011
Posted By Chas Tennis
The water temperature probably cools the case...

The water temperature probably cools the case and causes condensation of some water vapor trapped inside the case.

1) Figure a way to seal the case when it is much dryer.

2) Find a way to fill...
Forum: Camcorders   04-12-2014, 08:56 AM
Replies: 8
Views: 1,166
Posted By Chas Tennis
Quote:Originally Posted by...

Quote:Originally Posted by JAT3 http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1525710/looking-for-best-slow-motion-camcorder#post_24598969)

Hi All,
The previous...
Forum: Camcorders   04-04-2014, 06:40 AM
Replies: 8
Views: 1,166
Posted By Chas Tennis
Unfortunately indoor lighting levels are usually...

Unfortunately indoor lighting levels are usually only about 1% of outdoor direct sunlight.
http://www.kinovea.org/en/forum/viewtopic.php?pid=2033#p2033

This low lighting level makes high speed...
Forum: Camcorders   03-18-2014, 11:59 PM
Replies: 1
Views: 152
Posted By Chas Tennis
Video cameras usually have frame rates that are...

Video cameras usually have frame rates that are pretty well set.

However, I have read in some forums that some smartphone video cameras have frame rates that may vary particularly if the lighting...
Forum: Camcorders   02-01-2014, 10:22 AM
Replies: 14
Views: 395
Posted By Chas Tennis
Quote:Originally Posted by Paulo...

Quote:Originally Posted by Paulo Teixeira http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1514721/video-camera-for-martial-arts#post_24297005)

Why not something like the...
Forum: Camcorders   01-31-2014, 02:32 PM
Replies: 14
Views: 395
Posted By Chas Tennis
Quote:Originally Posted by...

Quote:Originally Posted by AJInstitute http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1514721/video-camera-for-martial-arts#post_24293931)

The lighting is the first...
Forum: Camcorders   01-30-2014, 12:10 PM
Replies: 14
Views: 395
Posted By Chas Tennis
Quote:Originally Posted by...

Quote:Originally Posted by JerryLove http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1514721/video-camera-for-martial-arts#post_24288191)

Obviously: the corrxt solution...
Forum: Camcorders   01-28-2014, 10:48 PM
Replies: 14
Views: 395
Posted By Chas Tennis
Some information on high speed video, motion...

Some information on high speed video, motion blur, indoor lighting, automatic exposure control.
http://www.kinovea.org/en/forum/viewtopic.php?id=435

Indoors the light levels are probably only...
Forum: Camcorders   01-28-2014, 08:47 AM
Replies: 0
Views: 300
Posted By Chas Tennis
Just learned that Vimeo now can use the arrow...

Just learned that Vimeo now can use the arrow keys to do stop action, forward and backward.

SHIFT KEY + Right or Left Arrow Key.

However, for me, half the time it works well but often it will...
Forum: Camcorders   01-16-2014, 11:53 AM
Replies: 12
Views: 789
Posted By Chas Tennis
For the high speed video/ slow motion...

For the high speed video/ slow motion application -

Do you want mostly to accurately analyze high speed motions such as athletics, including using stop-action single-frame?

Or do you want...
Forum: Camcorders   12-17-2013, 06:16 PM
Replies: 8
Views: 353
Posted By Chas Tennis
WOW! Do I also understand correctly that it...

WOW!

Do I also understand correctly that it maintains the same lens speed throughout the zoom to 600 mm?
Forum: Camcorders   12-17-2013, 05:38 PM
Replies: 8
Views: 353
Posted By Chas Tennis
Wait, I vaguely recall reading about a binocular...

Wait, I vaguely recall reading about a binocular I think that that might include a camera, is that what you mean?
I believe that 'Monocular' and 'Binocular' are terms used for viewing by eye. Not...
Forum: Camcorders   12-17-2013, 06:40 AM
Replies: 1
Views: 543
Posted By Chas Tennis
High speed video cameras vs post processing for...

High speed video cameras vs post processing for slowed playback.

As long as users understand that there are two different worlds being described by the term 'slo motion' - recording and post...
Forum: Camcorders   12-08-2013, 08:58 AM
Replies: 4
Views: 428
Posted By Chas Tennis
Nice demo of the shutter speeds. It looks...

Nice demo of the shutter speeds.

It looks as if some Jello Effect is causing some distortion but I'm not sure. The fan blades appear to be wider at some locations and narrower at other locations....
Forum: Camcorders   12-07-2013, 06:58 PM
Replies: 5
Views: 1,361
Posted By Chas Tennis
So the Panasonic LX7 has MANUAL exposure control...

So the Panasonic LX7 has MANUAL exposure control capability and an extremely fast shutter to 1/20,000 sec. The frame rate limit is 60p fps.

Another Panasonic camera, the FZ200, does have high...
Forum: Camcorders   12-07-2013, 02:20 PM
Replies: 5
Views: 1,361
Posted By Chas Tennis
As far as I know virtually all affordable...

As far as I know virtually all affordable cameras (<$1000) with high speed video mode now offered use automatic exposure control (AEC) including the GoPro models. If you are interested in using high...
Forum: Camcorders   11-29-2013, 11:33 AM
Replies: 3
Views: 407
Posted By Chas Tennis
I asked the same question on the DVD Recorders...

I asked the same question on the DVD Recorders forum.

There were many very thorough and knowledgeable posts.
...
Forum: Camcorders   11-25-2013, 03:37 AM
Replies: 2
Views: 188
Posted By Chas Tennis
I have been interested in high speed video for...

I have been interested in high speed video for the analyses of tennis strokes. I use a Casio FH100 because it has full manual exposure control and I can get very fast shutter speeds - minimal motion...
Showing results 1 to 25 of 128

 
Forum Jump: