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Home made diffuser
Old 04-11-2004, 05:56 PM   #1 (permalink)
JamesTu
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Going to go shoot at El Mirage Dry lake bed soon, was wondering if you guys and girls had any tips on making a home made diffuser or translucent light panel. What works for you, and want doesn't etc. I purchased 20' of 1/2'' PVC Pipe and 4 Elbows. ( $3.50 [img]/ubbthreads/images/graemlins/grin.gif[/img])

I plan on making a 4'x6' sized diffuser.

What would be the best way to attach some white fabric? I was thinking of either
A) Attaching bands on each corner, and attach it like a fitted sheet.
B) Attach the fabric to the longer sides of the frame, so I can roll it up like a scroll and on location, unroll and attach the two ends.

 
 
Re: Home made diffuser
Old 04-11-2004, 06:25 PM   #2 (permalink)
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I did the very same thing and it has worked well...I used the fitted sheet method. Bought some elastic at the fabric store and since I can't sew worth spit I simply got the hot glue gun out and went to town [img]/ubbthreads/images/graemlins/smile.gif[/img] Worked well!

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Re: Home made diffuser
Old 04-11-2004, 10:27 PM   #3 (permalink)
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Try this site http://www.software-cinema.com/tinkertubes/ [img]/ubbthreads/images/graemlins/grin.gif[/img]
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Re: Home made diffuser
Old 04-11-2004, 10:34 PM   #4 (permalink)
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Don't forget to buy a lot of clips (of varying variety), these always help in a pinch.
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Now you have made me mad!
Old 04-12-2004, 09:07 AM   #5 (permalink)
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Yeah Yeah it still snowing here from time to time (like yesterday AM). And El Mirage Dry Lake is one of the places I like most. My good friend Kwan Kim has a house about 10 minuets from Dry Lake. I did my daughters senior portraits there and Lake Arrowhead(we are in northern New England no other kid in her high school had portraits like hers). We used a wood straping for a frame
(3/4" x 2 1/2" x 8"), white nylon for the diffuser (we had made this as sleeping bags to use when we were camped in the desert & and shipped them ahead of time). The only problem that we had was that the wind wanted to carry away the poor little korean boys that were holding the scrim in place. The scrim being 8' tall made a very delicate transition out of the shadow, so there was not a very hard line where the scrim stopped and sun hit the ground in back of the shadow. The sunset is dynamic there as well, watch the Faith Hill music videos the name of it eludes me now. Good luck and bring heavy guys to hold the scrim in place.
I have no online photos of my daughter except her bridal portrait.
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Re: Home made diffuser
Old 04-27-2004, 01:07 PM   #6 (permalink)
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Many years ago I got a copy of Dean Collins book called Tinker Tubes which had instructions for buildilng about 20 different light modifiers out of PVC pipe. I found them to be great tools. To clamp on your material, use clamps made out of small pieces of pipe. Here is what they look like:



Then lay the fabric against one of the support tubes, and force the clamp over the tube and it holds like a champ.

Cheers,
rfs
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Re: Home made diffuser
Old 04-27-2004, 02:29 PM   #7 (permalink)
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I created the diffusion panel from the Tinker Tubes instruction this weekend.

Has anyone else created any of the tinker tubes items? Say like the Studio set up on casters?

Greg
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Yes
Old 04-27-2004, 04:02 PM   #8 (permalink)
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At one time or another I made most of them.
By the way, there is a copy of the book posted on line at:

http://www.software-cinema.com/documents/tt-book.pdf

Cheers,
rfs


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Re: Home made diffuser
Old 04-29-2004, 08:39 AM   #9 (permalink)
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I made one (4x6) with a piece of bargain-basement white nylon. I used adhesive velcro to attach the fabric to the frame the idea of other fabrics to act as diffusers, reflectors, negative reflectors, backgrounds, etc.

So far, it works quite well.
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Re: Home made diffuser
Old 05-03-2004, 12:40 AM   #10 (permalink)
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I've had mine take off like a wind kite down the beach already... might want to make some slits if you encounter a lot of wind...that your weights can't counter...unless you have an assistant or two to help you out Also, 4x6 can get small on you..with the difused light it projects..it's the 4 part... I'd just go 6x6....better to have too much than not enough...

I haven't bought fabric for that sort of thing...I just bought mine from B&H..already made.. I'd also get a bunch of alagator clamps too just for added tention..

Hope this helps..

JP
 
 
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