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Old August 7th, 2002, 12:18 AM   #16
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Re: Filming Lightning

<<<-- Originally posted by Robert J. Wolff : Shock cords are and elastic, flexing cord. used as a tie down. You have probably seen them on motor bikes, etc. Usually, holding a sleeping bag, among other items, to the back of the bike.

-->>>

Also known as a bungee cord?
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Old August 7th, 2002, 12:29 AM   #17
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Riley,

I have the KATA rc-11 and have used it in very light rain conditions...and it does fine. Just haven't worked up the courage yet to try it in a steadier, heavier rain.

Only one problem I've found. The heavy nylon is stiff and makes noise with every little move. You'll have to keep it more steady than usual to keep from getting the sound in your footage.
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Old August 7th, 2002, 06:43 AM   #18
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Re: Re: Filming Lightning

<<<-- Originally posted by Robert J. Wolff : Shock cords are and elastic, flexing cord. used as a tie down. You have probably seen them on motor bikes, etc. Usually, holding a sleeping bag, among other items, to the back of the bike.-->>>

<<<-- Originally posted by Dylan Couper : Also known as a bungee cord? -->>>

Ahhhh a bungee cord, it all makes sense now =o) cheers Dylan. I kinda got the gyst of what you were talking about Robert, thanks.

Trying not to sound thick (but resigned to the inevitable), where do i get an Interferometer from and how much do they cost?

Nick
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Old August 19th, 2002, 03:19 AM   #19
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I shot some more footage of another recent storm and as soon as i get my new hard drive i'll edit and post some .avi files to my website.

I'll post the link to my webpage here in the next few days

regards

Nick
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Old August 19th, 2002, 03:14 PM   #20
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Filming Lightning

Nick,

My appology for not responding sooner. I travel a lot, and, therefor, am not at my toy message machine every day. You have these days, a built in interferometer: In the Xl-1s, you call it time lapse. Ignore me. I started in film; and, was fortunate to spend almost 40 years in the networks, in video.
As such, I fall into the habit of using obsolete verbiage.

Nick. The only ignorant one in this group, refuses to ask a question. They have all of the answers. Just ask them.
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Old August 20th, 2002, 11:02 AM   #21
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Re: Filming Lightning

<<<-- Originally posted by Robert J. Wolff : Nick,
You have these days, a built in interferometer: In the Xl-1s, you call it time lapse -->>>


Cool... does the XL1 have time lapse too? i'd look in the manual only i'm in the middle of decorating and i can't find it =o(


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Old August 20th, 2002, 11:10 AM   #22
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Hi Nick,

No, unfortunately, time-lapse (or "interval") recording was a feature Canon first introduced to their video cams with the XL1s. The feature is also now available on the new GL-2.
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Old August 20th, 2002, 11:22 AM   #23
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Damn!!!


Oh well thanks for the info


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Old August 25th, 2002, 06:47 AM   #24
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Ok guys as promised i've posted some of the pictures and (hopefully once i get my ftp to work properly) some video clips of the the thunderstorm i filmed a week or so ago.

Let me know what you think. I'll be posting some more as time goes by.

Regards

Nick


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Old August 26th, 2002, 01:50 PM   #25
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Looks nice! A tad too light perhaps... but very nice. Didn't had
that good lightning myself to shoot... bummer, oh well. Better
next time.
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Old August 26th, 2002, 01:55 PM   #26
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Thanks for the comments.

I was shooting on automatic i think (can't be sure) but i did turn the gain down half way through filming. When i deinterlaced the image that also brightened it up considerably.


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Old August 26th, 2002, 02:28 PM   #27
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That bolt didn't really hit that house, did it? If not it's sure a good illusion.
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Old August 27th, 2002, 02:26 AM   #28
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=o) no it didn't hit the house. It was at least a mile away. The illusion was probably a result of the deinterlacing (you can do even or odd lines, i chose even because doing odd almost removed the lighting completely). The result of that is the computer guesses what should be there making the lightning both brighter than it really was and making it look like it hit the house. Makes the picture look good though

It wasn't raining where i was standing (in the back garden) and the sound of thunder was a good few seconds after the lightning. It started to rain about five minutes afterwards so i went inside and tried to take some pictures wth the camera. By the time i'd set it up on the tripod and open the front door the storm was right over head. about two seconds later i saw a huge flash right overhead and the immediate crash of thunder and thought "blow this", shut the door and ran inside =o/

After that i started filming again through the back window and got a few more clips which i'll get round to posting one day


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Old August 27th, 2002, 03:49 AM   #29
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Just wondering, when scrolling along the clip I noticed that
after the second bolt there are two artifacts that appear just above the roof going horizontaly. Is this lightning as well?

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Old August 27th, 2002, 06:19 AM   #30
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Very nice shots Nick. I'll post this in the interest of safety. From the time you see the flash until you hear the thunder is 5 seconds per mile. It works out to be about 3 seconds per kilometer. I was watching a show on the Discovery Channel about a month ago and they got the time wrong.

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