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AWKWARD HVX200a VIDEO EXAMPLE - Random in/out of focus issue

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Lawrence Richards
AWKWARD HVX200a VIDEO EXAMPLE - Random in/out of focus issue
on Mar 20, 2013 at 4:14:23 pm

Hello All,

You don't need to look too closely at the background and sometimes even the foreground to see that at times the focus randomly goes in and out. The thing I don't understand is that the focus is on manual. Has anybody ever seen this in the HVX and/or do you have any ideas as to why this is happening and what I need to do to get it to stop doing this?
Thank you in advance for your help.

Larry

You can see the video example here:
https://vimeo.com/larryrichards/videos

What I'm shooting at:
720pn
30fps
shutter 1/60
F-stop, if not wide open really close to wide open

Thank you!

Larry R.
Florida


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Chris Tompkins
Re: AWKWARD HVX200a VIDEO EXAMPLE - Random in/out of focus issue
on Mar 20, 2013 at 5:19:35 pm

That is weird. The thing is the foreground does not react nearly as much as what's going on in the background. Almost like a compression issue more then focal fluctuation.

Chris


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Lawrence Richards
Re: AWKWARD HVX200a VIDEO EXAMPLE - Random in/out of focus issue
on Mar 20, 2013 at 6:26:15 pm

Hadn't thought about that. I don't think that's it but now I'm curious to know if it's possible for the act of compression to effect one part of the file more than the other?

Thank you!

Larry R.
Florida


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Jim Wilcox
Re: AWKWARD HVX200a VIDEO EXAMPLE - Random in/out of focus issue
on Mar 21, 2013 at 12:21:41 am

The regular pulse of the distortion looks electrical to me (or cel or RF) something perhaps messing with the servo of the lens.


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