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light box

August 14 2009 at 12:35 PM
  (Login c2jerrett)
Missing-Lynx members
from IP address 174.116.80.30

I build a light box today and I'm not sure of the results it seems a little blue.

[linked image]

I used plastic card instead of foam core.

 
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AuthorReply

(Login vbuenokov)
Missing-Lynx members
63.76.175.40

Is the back ground white?

August 15 2009, 8:57 AM 

If the background is white, you need to push the EV up to +.7 or +1. Take a picture of the pure white background alone and you will see what happens.

The light meter in the camera is trying to allow just enough light into the camera, and a white surface reflects a lot of light into the camera, so it reduces the speed and aperture to allow 18% of the light into the camera. See the sample below.

[linked image]

Al shots were taken with the same light and subject on a white background, the only thing different are the EV values.

Also what type of light was used? Even with the light box, it makes a difference. A diffrent color correction is applied to the image as it is processed in the camera depending on what setting was used. See sample below:

[linked image]

The best thing you can do is experiment with the camera with all the different settings with the same subject, light and background.

Hope this helps,

Aloha,
Val

[linked image]

 
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(Login c2jerrett)
Missing-Lynx members
174.116.80.30

ok

August 15 2009, 2:06 PM 

Thanks Val I'll try that and get back to you. I'll post pics.

Nice senic pic.

 
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(Login vbuenokov)
Missing-Lynx members
72.253.214.142

Cool! I can't wait to see more of your Leopard.

August 15 2009, 10:05 PM 

It looks way better than my Leopard. Tamiya Kit?

Aloha,
Val


[linked image]

 
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Chris J
(Login c2jerrett)
Missing-Lynx members
174.116.106.4

box

August 17 2009, 10:28 AM 

Val I tried what you said but the results were the same I'm thinking the plastic I used was letting light through and causing the blue tone I'm going to get some foam core and rebuild the box.




    
This message has been edited by c2jerrett from IP address 174.116.106.4 on Aug 17, 2009 10:29 AM


 
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