Premium Members Charles King Posted December 12, 2009 Premium Members Report Share Posted December 12, 2009 I've done a few shoots with the 5D and the 1D and haven't had a problem with the Preston motor pushing the camera body around. 5D and 7D have a hole in the bottom for attaching the battery base--unfortunately in different positions on each, lovely. As indicated, manufacturers like Redrock do have plates that work with these. I take it you mean a plate that works for both lens and camera, CP? Quote Link to comment Share on other sites More sharing options...
Premium Members Amando Crespo Posted December 12, 2009 Author Premium Members Report Share Posted December 12, 2009 Thanks for the pics Amando. I will be working with the 7D soon as well. Please post some footage from your shoot if you happen to get a hold of some. I´ll do it... This work was for a TV channel Christmas spot (TELE-5). Quote Link to comment Share on other sites More sharing options...
Premium Members Sydney Seeber Posted December 12, 2009 Premium Members Report Share Posted December 12, 2009 I've done a few shoots with the 5D and the 1D and haven't had a problem with the Preston motor pushing the camera body around. but you did use lens stiffening didn't you, or was the matte box enough? Depends on the setup/brand of course, but sometimes the matte box is attached to both the lens and rails really well. Sometimes not so much when using the Canon still lenses as most of this stuff isn't built for still lenses, but sometimes it works.... I suppose it also depends on the lens too, if it focuses like butta, then it may not be as much of a problem, especially if the lens is small... Quote Link to comment Share on other sites More sharing options...
Premium Members Sydney Seeber Posted December 12, 2009 Premium Members Report Share Posted December 12, 2009 I take it you mean a plate that works for both lens and camera, CP? Charles may have been as well, but earlier I was referring to the stuff on this page... There's a ton of options http://store.zacuto.com/zacuto-lens-supports-and-gears/ Quote Link to comment Share on other sites More sharing options...
Premium Members Mike Germond SOC Posted December 12, 2009 Premium Members Report Share Posted December 12, 2009 I used the DSLR Docu kit with quick release adapter and rail extensions last time I shot with the 5DMKII. Here it is: http://store.zacuto.com/Zacuto-DSLR-Baseplate-Kits/ Production didn't have the foresight to get a lens support for the 70mm-200mm Canon L series telephoto, so I had to improvise with the Bartech rail bracket to provide some support. The length of the lens was too much for the camera body alone to support, and was causing jitter in the shot. Why they didn't ask for my input BEFOREHAND is beyond me. I guess they trusted Zacuto to send them everything they needed based on a 10min conversation about what camera they were using. Quote Link to comment Share on other sites More sharing options...
Premium Members Charles Papert Posted December 13, 2009 Premium Members Report Share Posted December 13, 2009 Camera was screwed in via the standard tie-down point, no specific mating of lens and camera. Zeiss ZE's were used with no lens support and handled the torque of the Preston motor fine (I reduced the torque to the lowest level on the MDR). We also used some Canon lenses, both prime and zoom, only the heaviest with lens support and no serious issues. There was a tendency for the lens to shift in the mount when the motor changed direction which become more apparent at longer focal lengths, but the camera was not spun out of square in the mount under said torque. Maybe we just got lucky. Quote Link to comment Share on other sites More sharing options...
Premium Members Jeff Melanson Posted December 30, 2009 Premium Members Report Share Posted December 30, 2009 Just did a music video on the 7d. http://www.vimeo.com/7867769. We built it up with set of old letus rods, redrock mattebox, bartech/m-one. Suprisingly I had no issues with the camera moving on the plate, as the rubber base on the camera seemed to grip on the letus plate nicely. http://www.letusdirect.com/cart/letus35-support-rods.html I had to loop an hdmi cable around the gimbal, but fortunately had no issues with it getting it in the way. http://www.flickr.com/photos/davidkruta/41...57622737211405/ One big issue I did have though, was using my 7 inch marshall monitor to take the hdmi signal. The signal kept cutting out if you even lightly bumped the connection to the camera body. Anyone else have this experience? Quote Link to comment Share on other sites More sharing options...
Premium Members Amando Crespo Posted December 30, 2009 Author Premium Members Report Share Posted December 30, 2009 Just did a music video on the 7d. http://www.vimeo.com/7867769. We built it up with set of old letus rods, redrock mattebox, bartech/m-one. Suprisingly I had no issues with the camera moving on the plate, as the rubber base on the camera seemed to grip on the letus plate nicely. http://www.letusdirect.com/cart/letus35-support-rods.html I had to loop an hdmi cable around the gimbal, but fortunately had no issues with it getting it in the way. http://www.flickr.com/photos/davidkruta/41...57622737211405/ One big issue I did have though, was using my 7 inch marshall monitor to take the hdmi signal. The signal kept cutting out if you even lightly bumped the connection to the camera body. Anyone else have this experience? Ok. Good. But the problem is when you use a sled for big cameras with it arm. With permission I upload your pict. Best regards. Quote Link to comment Share on other sites More sharing options...
Premium Members Nicholas Davidoff Posted February 16, 2010 Premium Members Report Share Posted February 16, 2010 I don't get it. How do you get video out of this into your BNC monitor? So what cable are you supposed to use to convert this image to BNC? Don't you need an HDMI to SDI converter box? I guess both of those outputs are hi-def so is there an HDMI to SDI BNC cable that you send through a decimator? Is the smaller AV output standard def? Anybody have a link for a specific cable and/or HDMI converter box? Quote Link to comment Share on other sites More sharing options...
Premium Members Brian Freesh Posted February 16, 2010 Premium Members Report Share Posted February 16, 2010 If I'm understanding correctly, he used a Marshall HD monitor with HDMI input instead of the standard Flyer monitor (or even the HD Flyer monitor). Unable to go through the post with HDMI he had to run an HDMI cable down to the monitor. The connection not being super secure caused image loss at times. If I'm understanding correctly. :) Quote Link to comment Share on other sites More sharing options...
Premium Members Brad Hruboska Posted February 16, 2010 Premium Members Report Share Posted February 16, 2010 yes the vidoe output connection is quite flakey and i often get signal loss. Quote Link to comment Share on other sites More sharing options...
Premium Members Nicholas Davidoff Posted February 16, 2010 Premium Members Report Share Posted February 16, 2010 So my understanding is this: Unless you have an HDMI input on your monitor (which I believe very few of us have), you would need to get your hands on one of these Blackmagic HDMI to SDI converters: http://www.bhphotovideo.com/c/product/6208...er_HDMI_to.html I can't seem to find a cable that runs from the Canon 7D to an SDI BNC connector on a monitor. Can anybody clarify this? Quote Link to comment Share on other sites More sharing options...
Premium Members Mike Germond SOC Posted February 16, 2010 Premium Members Report Share Posted February 16, 2010 Don't they supply you with a Red/White/Yellow composite out cable from their goofy A/V jack? I can't imagine that they would eliminate the SD output.. Quote Link to comment Share on other sites More sharing options...
Sam Morgan Moore Posted February 17, 2010 Report Share Posted February 17, 2010 (edited) yes the vidoe output connection is quite flakey and i often get signal loss. I have a little bar bolted to my manfrotto 501 plate that the camera sits on this.. stops the camera spinning stops one bumping the HDMI so often (not while operating of course!) not shown in this image but im now putting a rubber band round the bar and the HDMI lead Less dropped vision. I will get some proper ones made in due course S Edited February 17, 2010 by Sam Morgan Moore Quote Link to comment Share on other sites More sharing options...
Premium Members Charles Papert Posted February 17, 2010 Premium Members Report Share Posted February 17, 2010 Check out reallyrightstuff.com. Their L brackets help keep the camera from twisting and offer some great quick release options as well as HDMI cable protection. Quote Link to comment Share on other sites More sharing options...
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