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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 24 Feb 2007 (Saturday) 15:54
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Another DIY light box, with build and test pics

 
T0DD
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Mar 03, 2007 21:19 |  #91

dexta wrote in post #2810053 (external link)
Ok, like everyone else I was inspired to do this and started tinkering around today.

I have the kit lens and my 50 1.8 as of right now, so the fifty is what I used here. I know I need to correct my WB really bad, just unsure of how to do so atm. I took this image into CS2 and applied levels and it made it 100% better, but I want the pure white straight from the camera, not to have to edit each one so much to make it look like it already should.. ha

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So, any help would be greatly appreciated!

Are you shooting in RAW? If you are..... try this.

-Switch the white balance in RAW (Photoshop) to tungsten. (or if your background already seems pretty white, skip this step)
-then increase the exposure a little (until the background starts to get whiter)
-then increase the contrast a little (until the object starts to get back to a normal color again)

Adjust those settings slightly to get the right color/tone for your object. Well, this is what I have to do with my light box... maybe it will work for you too or maybe it won't because your lighting might be producing different light.

Just thought I'd share my tricks with ya. :D


"I'm a procrastinator, but I'll tell you about that some other time"
40D, 30D, XTI, XT - Kit Lens,17-85 IS,24-70 2.8 L, 70-200m F4 L, [COLOR=red][COLOR=#000​000]70-200mm 2.8 L, 300mm F4 L 1.4x II, 580EX

  
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T0DD
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Mar 03, 2007 21:26 as a reply to  @ T0DD's post |  #92

I increased the exposure by almost 1.0 and I increased he contrast by 22.

This is what I got.


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"I'm a procrastinator, but I'll tell you about that some other time"
40D, 30D, XTI, XT - Kit Lens,17-85 IS,24-70 2.8 L, 70-200m F4 L, [COLOR=red][COLOR=#000​000]70-200mm 2.8 L, 300mm F4 L 1.4x II, 580EX

  
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dexta
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Mar 03, 2007 21:36 |  #93

Thanks man I could have used a better subject(s) for my first test, but all is good. Im getting the hang of it, and no I'm not shooting in RAW, should I be? Whats the advantage over shooting in JPEG? Pm me with those detials, I don't want to take away from this thread and the whole lightbox subject!


Chris
Canon XSi | 18-55 IS | RC-1 & RS-60E3
Photoshop CS5

  
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fuel123
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Mar 03, 2007 21:38 |  #94

T0DD wrote in post #2805713 (external link)
This...... thread..... must...... NOT ..... die !!

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Great shot! How did you balance the motorcycle? Can you take a shot of what you used?

Thanks


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argash
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Mar 03, 2007 21:48 |  #95

T0DD wrote in post #2793538 (external link)
...............

Anyone else, if you have any CC... please let me know. I'll take more pictures soon to get more feedback.

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Here's my set up

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Todd I think the blue tape your using to hold your box together is causing some pretty noticable color spill. (Really easy to see on the chrome). This is something videographers see alot when they do green screen work. Try replacing the blue tape with another solution and it should go away.

Thanks to you and pepperoni I now must build one of these for myself!


Canon 60D w/grip // EF 50mm f/1.8 mII // EF 28-135mm f/3.5-5.6 IS USM // EF 85mm f/1.8 // EF 70-200 f/4 L
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T0DD
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Mar 03, 2007 21:57 |  #96

dexta wrote in post #2810355 (external link)
Thanks man I could have used a better subject(s) for my first test, but all is good. Im getting the hang of it, and no I'm not shooting in RAW, should I be? Whats the advantage over shooting in JPEG? Pm me with those detials, I don't want to take away from this thread and the whole lightbox subject!

I don't think it will take away from this thread, someone else might have the same question.... my reasoning for shooting in RAW is so I can adjust White Balance, Exposure and Contrast. (or pretty much anything else for that matter). I feel I can touch up the photo better in RAW format. This is my reasoning... but someone else might have a different thought and better reasoning for shooting in Raw... or not shooting in Raw.

:)


"I'm a procrastinator, but I'll tell you about that some other time"
40D, 30D, XTI, XT - Kit Lens,17-85 IS,24-70 2.8 L, 70-200m F4 L, [COLOR=red][COLOR=#000​000]70-200mm 2.8 L, 300mm F4 L 1.4x II, 580EX

  
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T0DD
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Mar 03, 2007 22:04 |  #97

fuel123 wrote in post #2810359 (external link)
Great shot! How did you balance the motorcycle? Can you take a shot of what you used?

Thanks

My little motorcyle actually came with a bike stand (just like my old KX 125 did). It's is on the rear wheel and hidden in this picture. I was going to lie to you and tell you that I just balanced it by hand.... hee hee.

argash wrote in post #2810399 (external link)
Todd I think the blue tape your using to hold your box together is causing some pretty noticable color spill. (Really easy to see on the chrome). This is something videographers see alot when they do green screen work. Try replacing the blue tape with another solution and it should go away.

Thanks to you and pepperoni I now must build one of these for myself!

I have a new "foam core" box now". thanks to a trip to "Michaels". (and thanks to "Zacker" for posting pictures of his foam core box... page 4 of this thread)

I bought 5 pieces of foam core for $2.79 a piece.... so now my whole box is completely white, no other colors at all.

:D


"I'm a procrastinator, but I'll tell you about that some other time"
40D, 30D, XTI, XT - Kit Lens,17-85 IS,24-70 2.8 L, 70-200m F4 L, [COLOR=red][COLOR=#000​000]70-200mm 2.8 L, 300mm F4 L 1.4x II, 580EX

  
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pepperoni
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Mar 03, 2007 23:00 as a reply to  @ T0DD's post |  #98

This thread has taken on a life of its own. :)

I won a local road racing championship last year and I still need to sew this on my suit.

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S2000 keys.

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I think I need to start getting a little more creative..
:cool:

Mamiya. Canon. Elinchrom.

  
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fuel123
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Mar 03, 2007 23:12 |  #99

All of the shots so far look great but can you guys change the background color in some of your shots? I am just curious about what they will look like with different backgrounds and the like

thanks in advance


www.dogparcstudio.com (external link)

  
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T0DD
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Mar 04, 2007 01:58 |  #100

fuel123 wrote in post #2810712 (external link)
All of the shots so far look great but can you guys change the background color in some of your shots? I am just curious about what they will look like with different backgrounds and the like

thanks in advance

Sounds like a challenge !! :lol:


"I'm a procrastinator, but I'll tell you about that some other time"
40D, 30D, XTI, XT - Kit Lens,17-85 IS,24-70 2.8 L, 70-200m F4 L, [COLOR=red][COLOR=#000​000]70-200mm 2.8 L, 300mm F4 L 1.4x II, 580EX

  
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zacker
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Mar 04, 2007 02:23 |  #101

blam wrote in post #2799601 (external link)
why F22?

F22 isn't exactly the sharpest point on most lenses.


DOF... and it all depends on what your lighting is like... there is ahuge difference in shooting these and shooting something out in the field.


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zacker
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Mar 04, 2007 02:24 |  #102

dexta wrote in post #2810355 (external link)
Thanks man I could have used a better subject(s) for my first test, but all is good. Im getting the hang of it, and no I'm not shooting in RAW, should I be? Whats the advantage over shooting in JPEG? Pm me with those detials, I don't want to take away from this thread and the whole lightbox subject!


Raw just makes correcting the WB alot easier.


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zacker
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Mar 04, 2007 02:30 |  #103

hears a black posterboard BG

IMAGE: http://www.brokenfencephotography.com/photos/131467082-L.jpg

Heres one made with my pro1 while the 30D was away at canon... its on a "Painting" BG
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BrewsterPilot
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Mar 04, 2007 02:31 as a reply to  @ zacker's post |  #104

Quick q, for the wonderful reflections, will a normal mirror do instead of plexiglass?

Thanks!




  
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zacker
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Mar 04, 2007 02:34 |  #105

BrewsterPilot wrote in post #2811324 (external link)
Quick q, for the wonderful reflections, will a normal mirror do instead of plexiglass?

Thanks!

]]]you can try it but i think a mirror will cause too much reflection... try a piece of glass or even polished tile from home depot or lowes!


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Another DIY light box, with build and test pics
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