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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 05 Aug 2009 (Wednesday) 15:03
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First Umbrella

 
dpds68
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Aug 05, 2009 15:03 |  #1

I was given one of these 45" Umbrella's by a Friend and I have a Impact 33" shoot through and 2 Stands with Brackets on the way , what I want to know is this to Shoot through or Reflective .

http://www.amazon.com …1&creativeASIN=​B000P3XC3Y (external link)


Thank you in advanced

David


Gripped Canon 7D,20D,XT / Tamron 17-50mm 2.8, Canon 85mm f1.8 , 70-200 2.8L,EF50mm1.8 II,Sigma 150-500mm OS, Sigma 105mm 2.8 Macro, Sigma 10-20mm 4-5.6
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http://www.flickr.com/​photos/dpds68/ (external link)

  
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gonzogolf
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Aug 05, 2009 17:41 |  #2

David,
all umbrellas can be used as reflective, even your shoot through. Some shoot throughs come with a black backing that you put it on to use when you are using it reflective. The purpose of that is to keep light from spilling through your umbrella into the studio where it might cause flare or unwanted reflections. The description of the westcott you linked to says its silver so it works only reflective, only it has a white cover which means you might have some spill through it.




  
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dpds68
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Aug 05, 2009 18:07 |  #3

Thank You much for your Explanation , I was just wondering about shooting through with it as It did not come with a Black backing .


David


Gripped Canon 7D,20D,XT / Tamron 17-50mm 2.8, Canon 85mm f1.8 , 70-200 2.8L,EF50mm1.8 II,Sigma 150-500mm OS, Sigma 105mm 2.8 Macro, Sigma 10-20mm 4-5.6
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gonzogolf
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Aug 05, 2009 18:09 |  #4

I guess anything is a shoot through if you have a bright enough flash :)




  
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dpds68
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Aug 05, 2009 18:16 |  #5

gonzogolf wrote in post #8406343 (external link)
I guess anything is a shoot through if you have a bright enough flash :)


bw!

I just heard that my 33" shoot through 2 Stands and Brackets are here , I will be picking them up in the Morning :D:D:D


Gripped Canon 7D,20D,XT / Tamron 17-50mm 2.8, Canon 85mm f1.8 , 70-200 2.8L,EF50mm1.8 II,Sigma 150-500mm OS, Sigma 105mm 2.8 Macro, Sigma 10-20mm 4-5.6
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gonzogolf
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Aug 05, 2009 18:21 |  #6

Have lots of fun!!!! Post your results.




  
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dpds68
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Aug 05, 2009 18:28 |  #7

Will do Thank you again .


David


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dpds68
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Aug 07, 2009 21:24 |  #8

Ok my stuff came , Now the Funny part first when I was first unpacking the stand I took out the Flash bracket to put it on the stand it would not fit at all there was a round white plastic thingy screwed on the threaded part on top of the stand , after much twisting turning and web searching I just took it off and the Bracket magically slid on with no problem , Hours I called a friend who told me after a long laugh that it was there just to protect the threads . :lol::lol::lol::lol::lol:


Now a pic while you laugh at me .

IMAGE: http://i27.tinypic.com/5z3gy.jpg

And a question , what could I have done differently to not have the Umbrella reflected in the Bottles ?

David

Gripped Canon 7D,20D,XT / Tamron 17-50mm 2.8, Canon 85mm f1.8 , 70-200 2.8L,EF50mm1.8 II,Sigma 150-500mm OS, Sigma 105mm 2.8 Macro, Sigma 10-20mm 4-5.6
Vivitar285Hv x2,Canon430EX,Nissin Di866,CTR-301P Triggers,
http://www.flickr.com/​photos/dpds68/ (external link)

  
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Austin.Manny
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Aug 07, 2009 22:19 |  #9

That's called the Specular Highlight, which is a reflection of the light source.
I don't know what I would've done, maybe try to light them at 90 degree angle instead of 45.


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gonzogolf
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Aug 07, 2009 22:39 |  #10

Lighting glassware is an artform of its very own. There are numerous threads dedicated to elements of lighting it. In this case lighting the bottles from the side would move the reflections off to the side of the bottles where it becomes almost a rim light, but then you might not have enough light on the labels.




  
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dpds68
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Aug 08, 2009 08:25 |  #11

I guess shooting something like this I will be better off sticking them in my Lightbox ....

*NOTE to self make a bigger Lightbox*


Thank you for the Tips


Gripped Canon 7D,20D,XT / Tamron 17-50mm 2.8, Canon 85mm f1.8 , 70-200 2.8L,EF50mm1.8 II,Sigma 150-500mm OS, Sigma 105mm 2.8 Macro, Sigma 10-20mm 4-5.6
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SkipD
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Aug 08, 2009 08:39 |  #12

What can be done to reduce or eliminate specular highlights is to put a large polarized gel across the light source (the whole umbrella) and use a polarizing filter on the camera. I've seen this done to reduce reflections from an on-camera flash on the side of a large fish tank. The result was amazing.


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dpds68
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Aug 08, 2009 09:04 |  #13

Oops I forgot to mention I did try a few shots with my CPL on my Lens but the result was the same .


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http://www.flickr.com/​photos/dpds68/ (external link)

  
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TMR ­ Design
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Aug 08, 2009 09:21 as a reply to  @ dpds68's post |  #14

Just like a catch light will appear in the eye, you'll always the see specular (mirror-like) highlight appearing, as it's a reflection of the front surface of the light source. if you move the light source up, down, left, right, you'll see the highlight moving accordingly.

Positioning the light further to the side will help in the same way that it helps to eliminate glare in eyeglasses. It may not be the light you want but it will reduce or eliminate the reflection.


Robert
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TMR ­ Design
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Aug 08, 2009 09:21 |  #15

dpds68 wrote in post #8422167 (external link)
Oops I forgot to mention I did try a few shots with my CPL on my Lens but the result was the same .

In order for a CPL on the lens to work in this scenario you also need a polarizing gel or glass polarizer on your light source.


Robert
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