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Photo Craft Technique Glass taking on table color

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Old Nov-08-2010, 05:13 AM
#1
Dan7312 is offline Dan7312 OP
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Huh Glass taking on table color
I was trying to see if I could take a picture of a piece of glass without having it be full of blownout highlights. I was able to do that by putting a Westcott Apollo light box on a Speedlite and putting it close to this glass figure.

However now the glass seems to have sucked up the color of the wood that it is on. How can I prevent this?

The Apollo was next to the camera and about 3 feet from the glass with it's lower edge higher than the glass by about a foot, and it was pointed at the glass.

TIA for any hints.


Old Nov-08-2010, 05:50 AM
#2
pathfinder is offline pathfinder
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Black velvet tablecloth, perhaps? Or even a white tablecloth, but I favor black.
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Old Nov-08-2010, 05:52 AM
#3
Dan7312 is offline Dan7312 OP
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I wanted the wood to show... sorry I didn't mention that.

But I'll give that a try, thanks.

Quote:
Originally Posted by pathfinder View Post
Black velvet tablecloth, perhaps? Or even a white tablecloth, but I favor black.
Old Nov-08-2010, 07:15 AM
#4
DonRicklin is offline DonRicklin
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Are you using PSCS? Put Glass on own layer and desaturate the color you don't want in just the glass???

Don
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Old Nov-08-2010, 07:18 AM
#5
Dan7312 is offline Dan7312 OP
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Yes, I have PSCS but want to see if there is a lighting only solution so I can stick to just LR.

Some parts of the glass have little light rainbows in them, and if I desat I will loose those.

Thanks though, I'll give that a try too.

Quote:
Originally Posted by DonRicklin View Post
Are you using PSCS? Put Glass on own layer and desaturate the color you don't want in just the glass???

Don
Old Nov-08-2010, 08:58 AM
#6
DonRicklin is offline DonRicklin
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Quote:
Originally Posted by Dan7312 View Post
Yes, I have PSCS but want to see if there is a lighting only solution so I can stick to just LR.

Some parts of the glass have little light rainbows in them, and if I desat I will loose those.

Thanks though, I'll give that a try too.
That's what painting on the Mask is for!

IF you get your for incamera lighting situation worked out fine. That's a plus!

Meanwhile you have a fall back Plan B!

Don
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Old Nov-08-2010, 09:42 AM
#7
ian408 is offline ian408
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Try lighting the glass from below the table. Maybe softbox from above? I'd go with as little direct light as possible.
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Old Nov-08-2010, 09:45 AM
#8
Dan7312 is offline Dan7312 OP
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Thanks! I didn't think of that. I'll give it a try.
Old Nov-08-2010, 09:51 AM
#9
ian408 is offline ian408
More wag. Less Bark.
And I should add that controlling the light with black gobos camera left/right would be a good idea as well.
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Old Nov-08-2010, 09:56 AM
#10
Dan7312 is offline Dan7312 OP
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Are gobo's male swans?

You mean like some sheer black material?
Old Nov-08-2010, 10:22 AM
#11
ian408 is offline ian408
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Quote:
Originally Posted by Dan7312 View Post
Are gobo's male swans?

You mean like some sheer black material?
Gobo is a "Goes Between" device. It can be anything but is usually something like a dark panel that prevents light from going through it. Sometimes you use them to prevent stray light from hitting the camera and sometimes to prevent light from getting to your subject.

In your case, you have a light wall that you'll use to reflect the light and the two darker gobo's will be to prevent any other light from making it to the table. In other words, you are controlling light going to your subject.
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Old Nov-08-2010, 02:38 PM
#12
Qarik is offline Qarik
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Since the glass piece is ctruved and irregular in shape, I don't think there is going to be any external light solution for you. The glass is always going to pick up color from the table.
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Old Nov-08-2010, 04:08 PM
#13
ian408 is offline ian408
More wag. Less Bark.
Quote:
Originally Posted by Qarik View Post
Since the glass piece is ctruved and irregular in shape, I don't think there is going to be any external light solution for you. The glass is always going to pick up color from the table.
If you mitigate the reflections, then you'll have better results. The OP is using a softbox which spreads light everywhere (including the table top). If he still wants some of the table visible, then shooting the flash from under the table will give you the light and minimize what the table reflects back to the object.
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Old Nov-08-2010, 07:56 PM
#14
Icebear is offline Icebear
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You might try cutting out a piece of black material to just fit the ground flat base of the sculpture. I believe that will help. You should also get a copy of "Light - Science and Magic" by Hunter, Biver & Fuqua. It is a fantastic book.
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Old Nov-09-2010, 03:32 AM
#15
Dan7312 is offline Dan7312 OP
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Thanks, I'm going to give try that... and that book looks pretty good too.

Quote:
Originally Posted by Icebear View Post
You might try cutting out a piece of black material to just fit the ground flat base of the sculpture. I believe that will help. You should also get a copy of "Light - Science and Magic" by Hunter, Biver & Fuqua. It is a fantastic book.
Old Nov-15-2010, 07:22 PM
#16
RogersDA is offline RogersDA
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Quote:
Originally Posted by Dan7312 View Post
Thanks, I'm going to give try that... and that book looks pretty good too.
Here is something to look at, too:

http://www.mazenabusrour.com/?p=103
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Old Nov-09-2010, 10:42 AM
#17
basflt is offline basflt
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my idea , for what its worth

make 2 shots

one with table / wood properly lit
one with glass properly lit
cut out the glass and paste on the other one with the wood
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