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HPX170 NTSC to PAL

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Tim Pfeffer
HPX170 NTSC to PAL
on Oct 30, 2009 at 12:38:46 am

Hey there,

Just got called onto a music-video shoot to help out with the HPX170. The camera op has just bought the camera and knows the camera just as well as I do. Most of my experience with panasonic lies within 720/24p on the HVX200 and the Varicam. The HPX is new to me and the prospect that this project ultimately needs to be in PAL is even newer.

The director wants to shoot the film for PAL. I know that some models of the HPX170 can make the switch. I am pretty confident that this particular model doesn't have that capability considering I live in Los Angeles and those models are a special order.

Anyway, I need to know what I should let the camera op the best formats/modes to be shooting at to make this guys life easier in post.

Any idea what my best options for standard PAL, and slow motion would be? (given that we are going to be shooting in NTSC, on the HPX170.)

Thanks a bunch!


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Jeremy Garchow
Re: HPX170 NTSC to PAL
on Oct 30, 2009 at 2:02:09 am

Is your camera the only camera or does it have to mix with other 50Hz cameras?


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Tim Pfeffer
Re: HPX170 NTSC to PAL
on Oct 30, 2009 at 2:05:22 am

Hey Jeremy, I've seen your posts on here before, thanks for responding. It is only this one camera.


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Jeremy Garchow
Re: HPX170 NTSC to PAL
on Oct 30, 2009 at 3:45:48 am

Then in all honesty, if you can't get a hold of a 50Hz capable camera, shoot and post in 24pN. You can then make a hardware converted 25p master as they very last step.


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Tim Pfeffer
Re: HPX170 NTSC to PAL
on Oct 30, 2009 at 3:53:28 am

You wouldn't suggest shooting in 25p?, 50 for slow motion?


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Jeremy Garchow
Re: HPX170 NTSC to PAL
on Oct 30, 2009 at 12:24:29 pm

If you can find a camera that operates in 50Hz, then yes. But you only have the 60Hz version, correct?


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Tim Pfeffer
Re: HPX170 NTSC to PAL
on Oct 30, 2009 at 3:19:27 pm

I assumed that yes this was 60Hz camera. Now that you are bringing light to this, I have a new question.

Would the fact that it is a 60Hz camera eliminate the possibility of be able to shoot at 25p? Or can you shoot 25p on a 60Hz camera as well?
I thought that I saw the camera did have the ability to shoot 25p, so maybe this is a 50Hz?

So I guess what I am asking is, can you only EXCLUSIVELY shoot 25p with a 50Hz?



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Jeremy Garchow
Re: HPX170 NTSC to PAL
on Oct 30, 2009 at 3:49:09 pm

[Tim Pfeffer] "Would the fact that it is a 60Hz camera eliminate the possibility of be able to shoot at 25p?"

If it's 60Hz only, yes. It won't shoot 25p, it will acutally shoot + or - 60Hz (which is 59.94). So 25p will acutally be 25000/1001 = 24.975fps.

I am not sure of the frame increments on the 170. And if you shoot in 25pN over 24p, you will lose audio.

[Tim Pfeffer] "Or can you shoot 25p on a 60Hz camera as well? "

Some cameras (like our HPX 2000) are 50 or 60Hz switchable.

[Tim Pfeffer] "I thought that I saw the camera did have the ability to shoot 25p, so maybe this is a 50Hz? "

If you can access 720p50, and not 720p50 over 60, it might be switchable.

[Tim Pfeffer] "So I guess what I am asking is, can you only EXCLUSIVELY shoot 25p with a 50Hz? "

Yes, in 720pN25

Jeremy


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Dan Brockett
Re: HPX170 NTSC to PAL
on Oct 30, 2009 at 4:48:46 pm

That NTSC HPX170 can be sent to Panasonic service and for $500.00, they will make it able to be switched to 50Hz formats. That would be the easy and smart way to do this.

Dan



Providing value added material to all of your favorite DVDs


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Tim Pfeffer
Re: HPX170 NTSC to PAL
on Oct 30, 2009 at 5:22:03 pm

I just looked at the camera and it cannot shoot at 25 p so I will have to shoot this at 24pN. Any suggestions about the slow motion if this is ultimately going to be converted to PAL?

I'm shooting this today which is why I can't get a differnt camera or send it to panasonic for the switch.


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Jeremy Garchow
Re: HPX170 NTSC to PAL
on Oct 30, 2009 at 5:42:30 pm

SHoot 60 over 24pN. Your QT movies will playback at 24pN so it will be just like the rest of the normal motion. Put the camera in 24pN mode, then change the frame rate from default to 60 (or whatever increment you want).

Jeremy


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Tim Pfeffer
Re: HPX170 NTSC to PAL
on Oct 30, 2009 at 5:50:07 pm

Thanks man, I'm on my phone right now about a half hour from shooting... The power of wireless.


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Jeremy Garchow
Re: HPX170 NTSC to PAL
on Oct 30, 2009 at 6:31:40 pm

[Tim Pfeffer] "Thanks man, I'm on my phone right now about a half hour from shooting... The power of wireless."

No worries. Good luck on the shoot and you might want to do some test shots and play them back before you start.


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Dan Brockett
Re: HPX170 NTSC to PAL
on Oct 30, 2009 at 9:10:43 pm

Yes, I guess a bit late for the Panasonic modification.

You will be fine converting in post, it is just time consuming and tedious and you will not be able to check the final output for flickering that may not be apparent on the computer's RGB monitor, unless you have access to a 50Hz capable monitor.

Watch out for discharge (ballasted) lamps or video displays in shot.

Dan



Providing value added material to all of your favorite DVDs


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