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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 17 Dec 2009 (Thursday) 20:27
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Gel filter colors on black background - a short writeup

 
crossmax03
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Dec 17, 2009 20:27 |  #1

I did some quick tests with gel colors on a black background. I've read posts where people ask which background color to use to project gel colors onto. And I've read posts where people asked to see some samples. Here is my very simple rendition.
I hope this might be helpful for others. Images are clickable for a larger version. Sorry I didn't even have a more attractive test subject. Heck, I couldn't even find a teddy bear.

My setup is this:
5d Mark II full RAW.
70-200 2.8 IS @ 135mm
Genesis 200 2 light kit (1 with umbrella, 1 on floor with gel - directly behind the 'subject')

I set both strobes at 30 out of a range of 10-60. (of which I've read 30 is about 1/8 power for these Genesis 200 w/s, but I'm not exactly sure)

Flash sync speed at 1/200
Manual mode 1/200 @ f/5.6

12 ft between camera and subject
6 ft between subject & black sheet

Lee Filters Quick Location Lighting Pack (includes 24 gels, I only used 5 of them for this setup)

It's possible to get these colors to be more bright or less bright by adjusting the power of the strobes.

The filters:

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The setup:
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Blue Lee #201
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Orange Lee #204
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White Lee #216
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Red Lee #106
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Green Lee #738
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Boulder, CO ;)

  
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RLipp69
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Dec 17, 2009 20:39 |  #2

thanks for the samples never thought of putting gels on a black background.


Canon 5DMKIII, 40D,EF 70-200 F/2.8L IS II,24-70 F/2.8L,35mmF/1.4[COLOR=red]L, EFS-580EXll.Pcket wizzard mini & Flex,Bees and beauty dish

  
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crossmax03
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Dec 17, 2009 20:41 |  #3

Oh i forgot to mention - you don't always get a consistent color when doing this. Variables can be the reflector on your light, amount of ripples in the sheet, distance from light to sheet, angle between light and sheet, etc ...


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Player9
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Dec 18, 2009 10:18 as a reply to  @ crossmax03's post |  #4

You can get much deeper colors by making sure that the background is not affected by spill from the subject lighting. When I gel black paper for the deep colors, I make sure that the subject is at least 15' in front of the background and the subject lights are very close to the subject (to reduce the depth of the light).


60D, EF-S 10-22mm f/3.5-4.5, EF-S 18-135mm 3.5-5.6 IS, EF-S 55-250mm f/4-5.6 IS, Tamron 17-50mm f/2.8, EF 28mm f/1.8, EF 50mm f/1.8, EF-S 60mm f/2.8 macro, EF 85mm f/1.8, 430ex, 220ex, Alien Bee B400 (2), Alien Bee B800 (2)

  
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theveed
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Dec 18, 2009 10:39 |  #5

Oooh, thanks for the info (both Crossmax and Player9)




  
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John ­ E
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Dec 22, 2009 08:10 |  #6

Crossmax03. How did you mount the gels in front of your strobe on the floor? The picture doesn't seem to show any gel in front of it.


John E.
Canon 5D MK II; 30D; EF 85 f/1.8; EF 70-200L f/2.8 IS II; EF 24-105L f/4; EF 135L f/2; EF 24-70L; Canon 580 EX II(x3).

  
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crossmax03
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Dec 23, 2009 06:16 |  #7

i bent a wire coat hanger around the reflector on the strobe in a way that i could put it on and off easily. To hold the gel I put tape on the jaws of a small binder clip (so as not to tear the gel) and then just hang it on the wire hanger. It's cheap and not perfect but I didn't feel like spending money on something I don't use that often.


This pic is clickable for 1600x1143 resolution.

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IMAGE IS A REDIRECT OR MISSING!
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Boulder, CO ;)

  
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mountbatten
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Jan 03, 2010 14:30 |  #8

thanks i have the same setup in lights this helps a lot


http://www.pbase.com/g​reatescape (external link)
http://www.flickr.com/​photos/38017531@N07/ (external link)
Canon 70d, 20d Gripped, 17-40mmf4, 50mmf1.4, 70-200mmf2.8, 100mmf2.8 L IS Macro, 580ex, Sigma 150-600mm C, Genesis200 2 strobe kit.

  
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RachelC1184
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Jan 03, 2010 16:16 |  #9

Crafty!!! Nicely done!

crossmax03 wrote in post #9250190 (external link)
i bent a wire coat hanger around the reflector on the strobe in a way that i could put it on and off easily. To hold the gel I put tape on the jaws of a small binder clip (so as not to tear the gel) and then just hang it on the wire hanger. It's cheap and not perfect but I didn't feel like spending money on something I don't use that often.

This pic is clickable for 1600x1143 resolution.

IMAGE NOT FOUND
HTTP response: 404 | MIME changed to 'text/html' | Byte size: ZERO




  
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themadman
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Jan 03, 2010 16:49 |  #10

Can anyone recommend an inexpensive gel pack with some nice colors?

OP> how much did that one cost and where did you buy it? Also how large are those?


Will | WilliamLiuPhotography.​com (external link) | Gear List and Feedback | CPS Member | Have you Pre-Ordered Your 3Dx Yet? | HorusBennu Discussion | In honor of Uncle Steve, thanks for everything! 10-5-2011

  
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111t
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Jan 03, 2010 17:28 |  #11

http://www.bhphotovide​o.com …Effects_Rainbow​_Pack.html (external link)

http://www.bhphotovide​o.com …ects_Filter_Lig​hting.html (external link)

http://www.bhphotovide​o.com …ting_Filter.htm​l#features (external link)

Additionally, a good way to protect your filters is to keep them in a case designed to protect 12x12 scrapbooking paper.

Such as this one...
http://www.joann.com …flag=true&PRODI​D=prd44037 (external link)


All The best!
-Paul

WHAT TO DO IF YOU DON"T HAVE A LIGHT METER AND YOU STILL WANT TO MAKE INTELLIGENT EXPOSURE DECISIONS.

  
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crossmax03
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Jan 03, 2010 17:46 |  #12

The pack I got is the Lee Quick Location Lighting Pack, there are 24 filters, 12"x12"

http://www.bhphotovide​o.com …tion_Lighting_F​ilter.html (external link)


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themadman
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Jan 03, 2010 18:32 |  #13

Thanks for the replies folks!


Will | WilliamLiuPhotography.​com (external link) | Gear List and Feedback | CPS Member | Have you Pre-Ordered Your 3Dx Yet? | HorusBennu Discussion | In honor of Uncle Steve, thanks for everything! 10-5-2011

  
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John ­ E
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Jan 03, 2010 19:00 as a reply to  @ themadman's post |  #14

I wonder if this gel holder would work. It looks like it mounts on a light stand so I don't know if it would work on the floor but it might be a step up from a coat hanger :)

http://www.bhphotovide​o.com …ersal_Filter_Ho​lder_.html (external link)


John E.
Canon 5D MK II; 30D; EF 85 f/1.8; EF 70-200L f/2.8 IS II; EF 24-105L f/4; EF 135L f/2; EF 24-70L; Canon 580 EX II(x3).

  
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benjaminburrows
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Jan 03, 2010 19:18 as a reply to  @ John E's post |  #15

thanks for the write-up!

benjamin




  
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Gel filter colors on black background - a short writeup
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