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how to copy an old oval picture

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  #1  
Old 09-05-2008, 11:56 AM
john718 john718 is offline
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how to copy an old oval picture

I friend of mine ask if I could copy an old oval picture. I removed it from the frame , and it appears to be in good shape. The only issue I have is, the picture is convex. I assume from being in the frame so long. I thought about scanning it, but fear it will crack. any advice? should I photograph it? If so how do I keep it from looking spherical?
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Old 09-05-2008, 01:00 PM
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Juergen D Juergen D is offline
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Re: how to copy an old oval picture

I would photograph it and then try the Correct Camera Distortion filter. Another possibility would be the Spherize filter.

Juergen
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Old 09-05-2008, 01:16 PM
ktg222 ktg222 is offline
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Re: how to copy an old oval picture

I had a similar challenge some time back. The photo was convex to fit the glass. I had a photographer take bracketed RAW shots of the photo. He used two lights set up like a copy stand and used a high aperture to make sure the entire image was in focus. I did not see any distortion caused by the shape of the image when I put it into PS; but that may be because of the characteristics of the photo. I didn't have to use any free transform, warp or any other distortion correcting tool.
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Old 09-05-2008, 01:19 PM
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0lBaldy 0lBaldy is offline
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Re: how to copy an old oval picture

Use at least a 90mm up to a 150mm lens to flatten things and both lights and lens should be Polarized.. (lights vertical and the lens horizontal).. use a f-stop for best depth of field.. do not shoot at an angle.. make sure things are lined up and the center of the lens is at the same level as the center of the photos and parallel to the pictures..

You might also check this thread which discusses the curved glass.. or .. it is also discussed here with helpful hints.
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Old 09-05-2008, 08:41 PM
john718 john718 is offline
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Re: how to copy an old oval picture

Thanks to all. I figured I would have to photograph it. I'll play around and post my results. thanks again

John
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Old 09-06-2008, 11:30 PM
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Craig Walters Craig Walters is offline
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Re: how to copy an old oval picture

there is a way to flatten the image, but you shld consult a conservator before doing so.
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