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Ground glass question
Posted by: phuphuphnik ()
Date: December 15, 2010 11:08PM

How are you camera making dudes making the ground glass. I'm not to that point yet, but in the next month or so I'll need an 11x14 chunk of the stuff. I have used an abrasive blaster in the past, but the grain was too coarse to get good resolution from the lens.
cheers,
chriso

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Re: Ground glass question
Posted by: zmanphoto ()
Date: December 15, 2010 11:20PM

Here are a few interesting links. David Prifti did a demo on this a few Jamborees ago.

[www.apug.org]
[www.dokasphotos.com]

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Re: Ground glass question
Posted by: phuphuphnik ()
Date: December 15, 2010 11:30PM

That works! thanks!.
chriso

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Re: Ground glass question
Posted by: Mark Elson ()
Date: December 16, 2010 01:27AM

This is a good source for ground glass:

Steve Hopf's Ground Glass Store
Brilliant Ground Glass is hand ground to perfection for fine grained, low grit image projection. I offer ground glass for camera viewing screens in a wide variety of formats such as 4x5, 5x7, 8x10, 11x14, and Ultra Large Format sizes. Custom sizes are available too!



[ELLERID" rel="nofollow" >myworld.ebay.com]

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Re: Ground glass question
Posted by: Ray Morgenweck ()
Date: December 16, 2010 03:22AM

.



Edited 1 time(s). Last edit at 01/01/2012 01:57PM by Ray Morgenweck.

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Re: Ground glass question
Posted by: Richard Mellor ()
Date: December 16, 2010 09:21AM

make it yourself
rays advice is spot on,
When you buy the grit you will be able to make
a replacement for your ground glass.
If you are in the field and need a replacement, it could save you a days shoot....

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Re: Ground glass question
Posted by: Ray Morgenweck ()
Date: December 16, 2010 02:32PM

...one time, at a medium size reenactment in Rhode Island...some 'helpful' soldier carried my camera back from group shoot, and dropped it. The ground glass broke. DAMN. This was like 5:45 PM and I RUSHED into town, a little town, found the only hardware store there...with this brainless kid working there. He knew nothing about grit, valve grinding compound....but he DID have sandpaper.

I got a sheet of glass, some cheap sandpaper..went back, wet down the sandpaper, and by sheer determination managed to make a quite respectable ground glass there, at night, in my tent. Next morning, in it went, and its STILL in the camera!

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Re: Ground glass question
Posted by: zmanphoto ()
Date: February 09, 2011 08:22PM

Just bought some 400 Grit Silicon Carbide from this place- Jesco Products
Made my first ground glass yesterday. Easy and it worked great.

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