[Konvas] camera frame by frame .... Olivier .

[Sean McVeigh]

Hadn't thought about doing it that way before!
The only thing that would concern me about such a solenoid would be 
consistent exposure.. you'd have to find one with spot-on 
repeatability.  A servo motor of some kind might do the trick for you 
and give you slightly more control over the revolution speed.  Stepper 
plus a chopper for feedback?

Cheers,
Sean

H. W. Stone wrote:
> About ten years ago I had a "time lapse staging solenoid" drive for 
> the Arri 2b/2c camera, and it worked like a charm, but would be 
> cheaper to build than to buy.
>
> Get an Arri or Panavision brand "flat base adapter" for the camera.  
> That's made to put the camera motor beside the camera, not under it-- 
> but then, instead of an Arri motor get an off the shelf "staging 
> solenoid" used on sorting conveyor belts, and set it up to pull a 
> ratcheted drive cog mounted where the motor would normally go.  This 
> means you can program the staging solenoid to trip at given intervals, 
> anywhere from twenty or so times a second down to once a month.  The 
> difference is that when it fires it fires fast, and you get a properly 
> exposed, advanced, and handled frame.
>
> If you do get a motor from Clive, it will work, but staging solenoids 
> are interval set items, the motors are not.
>
>
>
>
> -----Original Message-----
> From: olivier satnet <firefly at uio.satnet.net>
> To: Konvas Discussion List <cinema at konvas.org>
> Sent: Wed, 10 Dec 2008 2:00 pm
> Subject: [Konvas] camera frame by frame .... Olivier .
>
> HI guys, for this moment , i own a Arri2C full overhaulhed with a 
> 24FPS motor (24fps syncro only) and PL mount ...
> i will receive my 1000 feet magazine for Arri2/Arri3 ....
> so i will have completed my system with own equipment for tape to film 
> ....and mount all in a metalic structure with marks for
> 1:85, 16/9, and scope transfer
>  
> BUT, i am really interested in a 3 to 4 FPS transfer from stills ... 
> (animation or frame by frame transfer ...) OK it take more time but 
> will make another option to tranfer video to film for my customers )
>  
> SO i need info about a TOBIN motor for low speeds ... frame by frame 1 
> fps 2fps 3 fps .... (like the timelapse ones ...) to mount it on my 
> Arri2C
> I need so a Inverse Baseplate to plate the motor in a side of the 
> camera and NOT below ... for more stability ...
>  
> so any Timelapser have info wich motor TOBIN or other will be good for 
> this system ???
>  
> Bests, Olivier .
>
>     ----- Original Message -----
>     *From:* Speedbirdmgh at aol.com <mailto:Speedbirdmgh at aol.com>
>     *To:* cinema at konvas.org <mailto:cinema at konvas.org>
>     *Sent:* Tuesday, December 09, 2008 7:23 AM
>     *Subject:* Re: [Konvas] funny mount
>
>     "Thee´s a nice zoom lens on EBay these days… Do you know the funny
>     kind of lens mount? Item 220323145688"
>      
>     Ole,
>      
>     Yes, that looks like a 16mm "C" mount to me. but there seems to be
>     a sealing ring missing over the rear element, should'nt affect the
>     image though.
>      
>     I have one identical to above but with Arri standard mount. Mine
>     has "minty" glass and has been serviced.
>     Euros 200.00 to you!
>      
>     These are nice lenses if you can get a good one. The 35mm version
>     is stunning.
>      
>     Rita   (got Uher spares if you need any)
>      
>      
>      
>     ------------------------------------------------------------------------
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