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  • Hey all, just changed over the backend after 15 years I figured time to give it a bit of an update, its probably gonna be a bit weird for most of you and i am sure there is a few bugs to work out but it should kinda work the same as before... hopefully :)

Red wireless follow focus?

macville said:
Is there any chance that the BarTech Focus Device will work with the new RED motor that is coming out?

Even if it doesn't, that's only about $700-$800 over a Arri FF-4 unit...not bad for something that is far more versatile!
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That was my thinking. :-) I do a lot of Steadicam work where a wireless unit is essential, but I use the BFD for everything now... it's extremely precise and just way more convenient.
 
CVB said:
Both of our systems have auxiliary serial ports on board... it would only require some firmware tweaks to get our stuff to talk to his and visa versa. I'm sure some gearing options will crop up to allow you to use the motor on a still lens, if red doesn't do it then we definitely will.
Click to expand...

gotta love the collaboration factor. looking forward to it very much curt. imua!

vince
 
FYI, there are a number of different gears out there--classic "cine" gearing is 32 pitch for focus/iris/zoom, however Panavision uses 48 pitch for zoom and 64 for iris. Canon and Fuji video lenses are different again (.50 and .60). Having all 5 of these in my kit I have yet to come up against an oddball--at LART I wrestled with an old series of 'Speeds that had a smaller (48?) pitch for focus. Also the front end telescoped dramatically when focus was racked end to end, enough so that the iris motor was unable to make continuous contact (the gears I have were slimmer than the length of travel of the front of the barrel). We simply shortened the throw of focus to minimize the travel and were able to keep the iris motor in play.

For those considering systems for their stabilizers, it might be helpful to know that it is standard practice (for me and a significant number of my colleagues, anyway) to always have an iris motor mounted up and ready whenever shooting exteriors, as these types of shots often spin around enough that an iris pull is called for. Often this will be done by the AC but sometimes the DP will like to be given the hand control for iris so that he can do it himself, often from the monitor. On an intermittently cloudy day this may just be the way to save a shot. I recently shot a pilot under such circumstances and even while we were in studio mode with the camera, I was throttling the iris remotely from the monitor to ride the sun going in and out. Wireless has great advantages...!
 
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