Edwin: You can do this in a complicated way, or a somewhat crude but workable way.
First, if you are working with HD video — 16:9 aspect ratio — you want a Super-16 camera so you have as much of the film devoted to the image as possible — unless of course you want to make 16mm prints, then regular 16 is what you want. S16 makes sense if you are just archiving this for the future, when it will get scanned back to digital. Use a good HD monitor, 1920 x 1080, preferably an IPS LCD unless you can get an OLED monitor. Use a slow stock — an EI 50 Daylight-balanced color stock is a good choice. A 2560 x 1440 monitor is better, as it will reduce the size of pixels on film (scale the HD image to fit the monitor, a 1.5x enlargement). You can build a setup that encloses the area between the screen and the lens to keep external light and reflections out. Shoot exposure tests, and calibrate the monitor so you get the full range of exposure from the digital image — the object is not for it to look good on the monitor, but to not lose anything going to film. I assume you are using a motor on the Bolex. In order to cheaply sync the camera and computer (there are expensive ways that are better but probably cost more than you want to spend) you need a Bolex that has a 1:1 frame shaft — this would be, if I recall correctly, a Rex 4 or later. You need to make something that fits into the 1:1 shaft that can trigger a switch, either magnetic proximity or optical. (Magnetic is probably easier. Mount a magnet on a disk attached to the shaft, and let it trigger a $1 magnetic switch, once per frame.) Your exposure with the slower stock, with an f/stop of around f/4, will be limited to somewhere under 6 fps, maybe 2-4 fps. This lets you get away with using the magnetic switch to trigger the computer to advance frame by frame. If you are using software that uses the right arrow key to advance a single frame, you can either destroy a keyboard and wire the magnetic switch in place of that key, or get a $35 USB keyboard interface like this: http://www.ultimarc.com/ipacve.html If you can find a Bolex animation motor you can use that instead, and trigger the motor and computer together. There are so many options for motors that I won’t go into them. If you want to get clever you can use a stepper motor and a motor controller for the camera but that gets trickier. Use a good prime lens, a 26mm Macro Switar is a good choice. Note that you want to trigger the computer to advance the frame before the camera shutter opens — you may have to adjust the magnet position to adjust the phase so it triggers. It works better than it should. I've built a few 35mm 4K recorders like this, though with different motors, and a Mitchell camera and 4K LCD monitor, and special software to make the system self-calibrating. Good luck! Jeff Kreines Kinetta On Dec 24, 2013, at 10:19 PM, edwin . <kotakhi...@gmail.com> wrote: > Hi Roger, > > We don't have Oxberry animation camera. > What i can do is, to mount the Bolex on handmade stand, something that can > work like Oxberry stand. > > But do you know how to connect the motor with the computer screen. Is that > possible to run the bolex automaticly, sync with the computer files, frame by > frame? > > best, > Edwin. > > > On Tue, Dec 24, 2013 at 7:00 PM, <frameworks-requ...@jonasmekasfilms.com> > wrote: > Send FrameWorks mailing list submissions to > frameworks@jonasmekasfilms.com > > To subscribe or unsubscribe via the World Wide Web, visit > https://mailman-mail5.webfaction.com/listinfo/frameworks > or, via email, send a message with subject or body 'help' to > frameworks-requ...@jonasmekasfilms.com > > You can reach the person managing the list at > frameworks-ow...@jonasmekasfilms.com > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of FrameWorks digest..." > > Today's Topics: > > 1. Re: DPX files transfer to 16mm negative, for image archiving > purpose. (Roger Wilson) > 2. Re: DPX files transfer to 16mm negative, for image archiving > purpose. (christopher nigel) > > > ---------- Forwarded message ---------- > From: Roger Wilson <rogerdwil...@sympatico.ca> > To: Experimental Film Discussion List <frameworks@jonasmekasfilms.com> > Cc: > Date: Mon, 23 Dec 2013 15:10:48 +0000 > Subject: Re: [Frameworks] DPX files transfer to 16mm negative, for image > archiving purpose. > Do you have access to an Oxberry animation camera that shoots 16mm? This may > be easier to work with then a bolex/tripod set up. I have never done this > myself but know a couple filmmakers who have taken this route and have been > very happy with the final results. > > > Roger D. Wilson > Film Scientist > 613 324 - 7504 > rogerdwil...@sympatico.ca > http://www.rogerdwilson.ca > > Without failure you can never achieve success. I have based my process and my > career as an experimental film artist on this statement; and I welcome it as > it pushes me forward as an artist to try something different, something new. > > > Date: Mon, 23 Dec 2013 13:48:42 +0700 > From: kotakhi...@gmail.com > To: frameworks@jonasmekasfilms.com > Subject: [Frameworks] DPX files transfer to 16mm negative, for image > archiving purpose. > > Dear Frameworks, > > My name is Edwin. > I'm an Indonesian filmmaker, based in Jakarta. > There are too many digital films in Indonesia, since the rise of "affordable" > digital cameras. > Now we are start questioning how to archive this digital films. With all > those codec, and software keep updating. > > With more commercial films, they can transfer their digital film out to 35mm > print. Using ARRI laser film recorder for instance. > For short films, it's impossible for us to go to this fancy post production > house. > > Is there any way, to transfer digital films to celluloid? > Is there any way to connect bolex motor, sync to DPX files (for example) > played frame by frame on HD monitor? > > Looking forward to hear some ideas. > > best, > Edwin. > > > _______________________________________________ FrameWorks mailing list > FrameWorks@jonasmekasfilms.com > https://mailman-mail5.webfaction.com/listinfo/frameworks > > > ---------- Forwarded message ---------- > From: christopher nigel <christophernige...@gmail.com> > To: Experimental Film Discussion List <frameworks@jonasmekasfilms.com> > Cc: > Date: Tue, 24 Dec 2013 00:32:19 +0100 > Subject: Re: [Frameworks] DPX files transfer to 16mm negative, for image > archiving purpose. > Shoot film ? > > > On Mon, Dec 23, 2013 at 4:10 PM, Roger Wilson <rogerdwil...@sympatico.ca> > wrote: > Do you have access to an Oxberry animation camera that shoots 16mm? This may > be easier to work with then a bolex/tripod set up. I have never done this > myself but know a couple filmmakers who have taken this route and have been > very happy with the final results. > > > Roger D. Wilson > Film Scientist > 613 324 - 7504 > rogerdwil...@sympatico.ca > http://www.rogerdwilson.ca > > Without failure you can never achieve success. I have based my process and my > career as an experimental film artist on this statement; and I welcome it as > it pushes me forward as an artist to try something different, something new. > > > Date: Mon, 23 Dec 2013 13:48:42 +0700 > From: kotakhi...@gmail.com > To: frameworks@jonasmekasfilms.com > Subject: [Frameworks] DPX files transfer to 16mm negative, for image > archiving purpose. > > Dear Frameworks, > > My name is Edwin. > I'm an Indonesian filmmaker, based in Jakarta. > There are too many digital films in Indonesia, since the rise of "affordable" > digital cameras. > Now we are start questioning how to archive this digital films. With all > those codec, and software keep updating. > > With more commercial films, they can transfer their digital film out to 35mm > print. Using ARRI laser film recorder for instance. > For short films, it's impossible for us to go to this fancy post production > house. > > Is there any way, to transfer digital films to celluloid? > Is there any way to connect bolex motor, sync to DPX files (for example) > played frame by frame on HD monitor? > > Looking forward to hear some ideas. > > best, > Edwin. > > > _______________________________________________ FrameWorks mailing list > FrameWorks@jonasmekasfilms.com > https://mailman-mail5.webfaction.com/listinfo/frameworks > > _______________________________________________ > FrameWorks mailing list > FrameWorks@jonasmekasfilms.com > https://mailman-mail5.webfaction.com/listinfo/frameworks > > > > _______________________________________________ > FrameWorks mailing list > FrameWorks@jonasmekasfilms.com > https://mailman-mail5.webfaction.com/listinfo/frameworks > > > _______________________________________________ > FrameWorks mailing list > FrameWorks@jonasmekasfilms.com > https://mailman-mail5.webfaction.com/listinfo/frameworks Jeff Kreines Kinetta j...@kinetta.com kinetta.com kinettaarchival.com
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