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February 1st, 2008, 07:13 PM
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#901 |
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Major Player
Join Date: Jan 2005
Location: (The Netherlands - Belgium)
Posts: 735
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Odd, interesting post. I was looking into those lenses myself recently.
In my opinion, an Elphel(+hard disk) with OVF(optical viewfinder) and a simple focus assistant in the software on a mobile controller... all powered by a 12v battery.. will be the best option available for us the coming months(?) If this workable setup is ready, we can go on improving it, but I think it is the way to go. |
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February 1st, 2008, 07:17 PM
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#902 | |
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Regular Crew
Join Date: Jan 2007
Location: London, UK
Posts: 88
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Quote:
..so is there any other way to upgrade the camera software...using win xp? (I really need to sort out a linux partition) |
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February 1st, 2008, 07:20 PM
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#903 | |
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Regular Crew
Join Date: Jan 2007
Location: London, UK
Posts: 88
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Quote:
Also - do you have an elphel with a running harddrive yet? Im about to buy a harddrive and will add the zif extension board to the elphel as soon as I got the drive and a proper casing... |
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February 1st, 2008, 07:24 PM
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#904 |
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Major Player
Join Date: Apr 2006
Location: Magna, Utah
Posts: 215
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Odd,
Maybe you can find some other computer around? I tried to support reflashing of Axis processors for WIndows at the beginning, but it was really difficult - required WinPCap library kept changing (loosing compatibility with my software) and different Windows (W95, W2K) also were not compatible to each other so I gave up. It will also be useful if you can post on our wiki - what type of the computer did not work with the Live DVD. You may also search for "knoppix cheat codes" or "knoppix + your_computer" -- sometimes it is possible to make it work just by adding the proper command line at boot prompt. Andrey |
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February 1st, 2008, 07:42 PM
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#905 | ||||
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Regular Crew
Join Date: Jan 2007
Location: London, UK
Posts: 88
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Quote:
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I wouldnt use it if I wasnt forced to while I work. (need certain software) Quote:
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I'll let you know how it goes!! |
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February 1st, 2008, 07:44 PM
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#906 | |
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Major Player
Join Date: Jan 2005
Location: (The Netherlands - Belgium)
Posts: 735
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Quote:
I have the hard-drive right here, I just need to put everything together, because I was building the OVF and the hard-drive needs a custom made body. I'll do that next week or so. Edit... time to sleep too... 2:30 AM over here! :| |
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February 3rd, 2008, 12:12 PM
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#907 | ||
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Regular Crew
Join Date: Jan 2007
Location: London, UK
Posts: 88
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Quote:
Quote:
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February 4th, 2008, 04:21 AM
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#908 |
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Regular Crew
Join Date: Aug 2004
Posts: 91
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You can get 48v from 12v quite easily, there is various electronical component designed for that (48v phantom powered mic anyone ? There is lot of sound card powered from usb offering that feature).
Check this link (in french, sorry) for various solutions : http://www.sonelec-musique.com/elect...s_phantom.html The problem is the elphel's power consumption and if those components support it. |
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February 5th, 2008, 05:15 AM
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#909 | |
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Regular Crew
Join Date: Jan 2007
Location: London, UK
Posts: 88
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Quote:
..from what I've seen most of the 48v phantom power audio gear only supplies around 10mA or so...while according to Andrey the Elphel would need the power from two USB ports...so in other words (500ma/USB port) it sounds like 10mA would be less than a tenth what is needed. Maybe Andrey could enlighten us? |
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February 5th, 2008, 09:48 AM
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#910 |
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Major Player
Join Date: Feb 2006
Posts: 260
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In my camera I use the integrated PC's power supply to run a 12v 7" LCD.
You can get 12v from a pc power supply. (the yellow and black end on molex) If you remove the board out of the PSU body its pretty small. About 3x4 inches or so. Be sure to cool it, I have an intake fan on the camera body cooling the PSU. Oh, there are also fanless PSUs but they are expensive. Make sure you have enough watts to power all the components. Do at your own risk. Im no electrician, and its best to consult Andrey. Odd, Did my suggestion work for you? Did you ever get your pc to boot the live cd? |
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February 5th, 2008, 09:59 AM
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#911 |
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Regular Crew
Join Date: Jan 2007
Location: London, UK
Posts: 88
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Hi Daniel!
Thanks for the suggestions Daniel...it turned out I didnt need to give knoppix any kind of command (although I appreciated the moral support)...I just had to switch my secondary 160USD screen into the main DVI socket used by my 900USD screen...apparently the cheap one could do text mode while the apple one could not. Fun. ;) - never underestimate the power of cheap OEM gear :D Regarding the power issue...there are battery powered 48v power supplies made for powering microphones...but they seem to be all to weak to run the Elphel...too bad. It would be cool to be proven wrong. |
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February 14th, 2008, 04:04 PM
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#912 |
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New Boot
Join Date: Jan 2008
Location: FRANCE
Posts: 5
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Who made this ?
hi there,
i found this picture on the elphel wiki. Who made this picture ? Is there a sample clip of this shot available ? cheers, Marie Guillaume |
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February 14th, 2008, 04:10 PM
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#913 |
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Major Player
Join Date: Feb 2006
Posts: 260
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Thats a clip from a short film I shot with the 333.
That scene was shot in two locations, the location in the picture is not used in the current edit. The film is currently in post-production. I don't have any videos to share at the moment. |
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February 14th, 2008, 04:52 PM
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#914 |
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Major Player
Join Date: Jan 2005
Location: (The Netherlands - Belgium)
Posts: 735
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Another thread was started some days ago about the Elphel image quality. How about posting everything about image sharpness, color and compression over there?
http://www.dvinfo.net/conf/showthread.php?t=114676 |
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February 18th, 2008, 02:43 PM
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#915 |
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New Boot
Join Date: Jan 2008
Location: FRANCE
Posts: 5
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Sumix vs Elphel...
Hi there,
Did anyone try the last revision of the Sumix Camera 12A2C ? Is it good for HD shooting ? Cheers, Marie Guillaume |
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