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Home made reflectors
Old 01-13-2005, 03:34 PM   #1 (permalink)
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I found a good price on 32 x 40 foam core at Hobby Lobby today (2.99/sheet - I'm guessing it was mismarked.). I'm making them into different reflectors by gluing on aluminum foil. My question is this, which side of the aluminum foil should I put up - the flat side or the shiny side? I'm guessing the flat side but I want to make sure before I start putting these things together.

Thanks,
Herb
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Re: Home made reflectors
Old 01-13-2005, 04:18 PM   #2 (permalink)
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Year ago I tried to make my own reflectors with aluminum foil. The shiny side was too bright for my taste (it was like a mirror), the dull side was better. Then one day I tried something different, I glued some gold lame fabric to foam core and really liked the golden look it produced.
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Re: Home made reflectors
Old 01-13-2005, 04:29 PM   #3 (permalink)
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No need to make reflectors pick up a sunshield from a auto place or cheap shop rolls up to a roll 600mm long 75mm diameter the more crinkled the better bought on yesterday $2.00 for smaller reflectors the steering wheel covers are handy as well [img]/ubbthreads/images/graemlins/grin.gif[/img]
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Re: Home made reflectors
Old 01-13-2005, 08:35 PM   #4 (permalink)
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I'm on my second generation of reflectors made with foam-core. They work really well! I have three "grades".

The first is just the white foam core left as is, but cut so that it will fit into the trunk of my car.

The second is sprayed with a matte aluminum paint (available at Home Depot of course). This gives a little more reflectance than the white, but still not blinding. This is the reflector that gets the most use.

The third is covered with an adhesive backed mylar. I bought a roll of this stuff years ago and am still using the same roll. It is really bright, much like aluminum foil, but on those cloudy days, it really works well for adding a little pop to the eyes. It is also useful if you have to throw that light a long ways......this thing can throw light across a football field and direct it pretty much where you want it to go. I've also used this as an accent light, sitting off to the side of the model in addition to the softer painted reflector. Little sisters like this one too, cuz when they come along to help, it doesn't take them long to learn that they can shine this in their big sister's eyes and nearly blind them......making them temporarily lose any amount of attitude they're trying to project!!

Have fun with your foam core......its a useful tool!

Mitch

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A tip ...
Old 01-13-2005, 10:40 PM   #5 (permalink)
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If you use foamcore, the smooth white foam core alone make an excellent reflector. If you use aluminum foil, before you attach it, wad the foil up into a loose ball, then smooth it out it so that the entire sheet is crumpled. Then tape it along the edges. This wil give avery nice md much softer. Otherwise, the smooth side will act like a mirror, refelcting highly spectral light, almost like a torch.
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Re: A tip ...
Old 01-14-2005, 02:11 PM   #6 (permalink)
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Thanks everyone. BTW, Doug, I agree about the smooth white usually getting the job done. I am leaving one side white on all of the reflectors. Some will have crumpled foil and others are painted flat black. Essentially, I should have the ability to create a "light tent" big enough to fit a person in and still be able to create falloff or highlights wherever I want depending on which side of the reflector is facing the model. I can't wait to experiment with it tomorrow.

Thanks Again,
Herb
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Re: Home made reflectors
Old 01-22-2005, 02:08 PM   #7 (permalink)
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Rather than tin foil check out the various mylar films available; from gold to silver with various amounts of reflectivity, widths/thicknesses and cost.
There are a ton of sources, usually related to hydroponics/botanicals or window treatments.

Cheers,
Chris
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Re: Home made reflectors
Old 01-22-2005, 08:47 PM   #8 (permalink)
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I bought 4 sheets that size for a $1 each a few months ago. Either they really had that mis-priced, or they often have sales.
Cheers,
rfs
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