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Old Nov 7, 2003, 9:22 AM   #1
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Default D100 manual fill flash with SB80, where is the f value

please tell me if what i am doing is wrong.

I am outdoor. I metered the subject. e.g. 1/160 f/8 and i want to adjust my flash power 2 stops down -> f/4 I put the mode on the SB80 to manual. But I couldn't find out how to adjust the f value on SB80. and there is no f value. there is only numbers like 1/125. or something like that. (i don't have the flash here with me).


second question: i am using D100 i am outdoor, around 5pm, great sunset. suject's left side is facing the sun. after i metered the bright side of my subject' face, i got 1/500, f/8 I put on the CTO gel on the flash head. I want to use fill flash on the right side on the face. what should i do. My D100 can syn to 1/160. (what if i cannot change the f/8 to f/16) what f value should be with the SB80


thanks


luk
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Old Nov 7, 2003, 5:58 PM   #2
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Since you've metered the exposure to 1/160s and f/8 on the camera, then all you have to do is leave the SB-80DX on D-TTL and adjust the output by pressing the 4-way pad down to lower output by as many stops you require, up to 3 stops. It won't display output in f-stops.

As for the other question, perhaps a neutral density filter can be used to reduce light by as much as needed. A 2x ND should reduce the light on an f/8 opening to the equivalent to f/16.
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Old Nov 10, 2003, 9:26 AM   #3
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thank you for the information.
I am looking for a precise way to control the fill flash.
Using the 4 ways button seems to much based on test and trials.

thank you

luk
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