what is crystal sync?

[marjan]

Can somebody eyplain that? What it is good for and what is the dissadvantage of the camera without it?


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yours,
marjan

[Konton]

These should help: http://www.tobincinemasystems.com/page2.html http://users.aol.com/fmgp/faq.htm#Q2

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Konton the Grey

[mattias]

it's very simple: it makes the camera run at the speed you want it to. the disadvantage of a non sync one is that its speed will be off by up to several fps. knowing what speed you shot at is useful for sound synching for example...

/matt

[Vespasian]

Very expensive. The cheapest NEW crystal sync recorder that Ive seen is the sony walkman The Film Group modified. $771 last time I checked.

I am searching the entire world right now for sync recorders that use a cameras flash sync socket. This I am pretty sure is the cheapest way to actually sync sound. It's not crystal but it works.

Please do not say that a clapboard is the cheapest way I already know that bull$%!&. I am talking about a way to match up the audio recorder to the camera.

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[Kurt]

I always thought it was just a question of getting the camera crystal synced. Any portable DAT or minidisc recorder will stay in sync with a crystal camera. Of course getting a camera crystal synced is also quite expensive.

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[MovieStuff]

<BLOCKQUOTE><font size="1" face="Courier, Arial">quote:</font><HR>Originally posted by Vespasian:

Please do not say that a clapboard is the cheapest way I already know that bull$%!&. I am talking about a way to match up the audio recorder to the camera.
<HR></BLOCKQUOTE>

Are you going to transfer the final to video or do you want to project using double system sound?

If going to video, then "that bull$%!&" will work just as well as using an expensive synch recorder. Head and tail slates work fine for synching on video. In fact, if you are transfering to video, having a recorder that chases after the camera's synch socket pulses won't do you any good in post since you won't have that as a synch reference after transferring your film to video. That's why cameras need to be crystal synched.

Even then, if your camera isn't crystal synched to 23.97, then your field audio speed will have to be altered a bit to fit the transferred picture. So, again, having a recorder that chases the synch pulses of the camera will do you no good unless the camera is crystal synched to the proper speed and ONLY if you still have some sort of speed reference when you digitize the audio later in post.

However, if you are going for double system projection, then having a synch recorder is necessary.

Roger

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Roger Evans
MovieStuff
http://www.afterimagephoto.tv/moviestuff.html