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question about flash gels

pasknucklehead

US
1457 posts

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pasknucklehead Registered since 05th Feb 2008
Thu 08-Nov-12 01:38 PM

Hi everyone, what is the trick to using flash gels? Here's my setup.
I am trying to change the background for some of my waterdrop shots.
So I have a white piece of foam board set up behind my waterdish for of water.
I have my gel mounted over my sb700 positioned about 7inches in front of the white piece of board.
I then have my 600 flash pointed in the middle of my dish where my waterdrop will be falling.
I have tried several different flash settings and still can't get the gel to light on the white board. I need to have my flash on the 600 pointed at the dish to at least 1/16 and I have tried to set my flash on the 700 pointed at the board as high as 1/8 and I still am getting just white. I have moved my 700 closer to the board, further from the board with no luck. Any suggestions would be greatly appreciated. In fact, I am going to run out to the kitchen and take a picture of my setup, that might help to explain it better....

Click on image to view larger version


Attachment #1, (jpg file)

Darlene

elec164

US
2328 posts

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#1. "RE: question about flash gels" | In response to Reply # 0

elec164 Silver Member Nikonian since 15th Jan 2009
Thu 08-Nov-12 06:32 PM

It appears the gel color from theSB700 (top of the board) is being overpowered from the spill of the SB600(bottom of board,especially on image left).

Try and make a GOBO or snoot that would prevent the spill from the SB600.

Pete

Pete

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Arkayem

Richmond Hill, GA (Savannah), US
6045 posts

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#3. "RE: question about flash gels" | In response to Reply # 1

Arkayem Moderator Awarded for his high level skills in flash photography Charter Member
Thu 08-Nov-12 08:41 PM

>Try and make a GOBO or snoot that would prevent the spill from
>the SB600.

I agree with the snoot idea. Here's a link to Honl snoot that I use for this sort of thing. It can also be used as a reflector to get the effective flash location high above the camera with nice softening if there is a ceiling bounce.

http://www.bhphotovideo.com/c/product/601262-REG/Honl_Photo_HONL_SNOOT8_8_Speed_Snoot_Reflector_for.html/BI/4775/KBID/5289/

Russ
Retired Professional Photographer
Nikonian Moderator
Russell MacDonald Photography
Nikon CLS Practical Guide

Arkayem

Richmond Hill, GA (Savannah), US
6045 posts

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#4. "RE: question about flash gels" | In response to Reply # 3

Arkayem Moderator Awarded for his high level skills in flash photography Charter Member
Thu 08-Nov-12 08:43 PM

>>Try and make a GOBO or snoot that would prevent the spill
>from
>>the SB600.
>
>I agree with the snoot idea. Here's a link to Honl snoot that
>I use for this sort of thing. It can also be used as a
>reflector to get the effective flash location high above the
>camera with nice softening if there is a ceiling bounce.
>
>http://www.bhphotovideo.com/c/product/601262-REG/Honl_Photo_HONL_SNOOT8_8_Speed_Snoot_Reflector_for.html/BI/4775/KBID/5289/

Also, it looks like you may be using the pull-out wide angle adaptor. Don't use that. Instead zoom the flash to its maximum and point it slightly away from the background, but not into the lens or you will get flare.

Russ
Retired Professional Photographer
Nikonian Moderator
Russell MacDonald Photography
Nikon CLS Practical Guide

pasknucklehead

US
1457 posts

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#5. "RE: question about flash gels" | In response to Reply # 4

pasknucklehead Registered since 05th Feb 2008
Fri 09-Nov-12 12:51 AM | edited Fri 09-Nov-12 12:56 AM by pasknucklehead

Hey thanks, that makes perfect sense. Back to work.....just looked the snoot up and I see it will work on the sb400, 600, and 800, what about the 700?

Darlene

G