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What f-stop should I set my flash?
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Nov 12, 2018 19:50:53   #
kenArchi Loc: Seal Beach, CA
 
When I set my camera at f-5.6, 1/60 second to take a picture of my subject, what f-stop should I set my flash?

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Nov 12, 2018 20:03:05   #
Longshadow Loc: Audubon, PA, United States
 
kenArchi wrote:
When I set my camera at f-5.6, 1/60 second to take a picture of my subject, what f-stop should I set my flash?

From your statement, your f-stop is set at 5.6. Whether that is correct for your flash has yet to be determined.
Regardless of what you set it to, it depends on the flash and what mode you are using.
Do you have a manual for it? It will tell you.

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Nov 12, 2018 20:06:07   #
BebuLamar
 
kenArchi wrote:
When I set my camera at f-5.6, 1/60 second to take a picture of my subject, what f-stop should I set my flash?


What flash are you talking about? Make and model please. A modern flash that is compatible to your camera you don't have to set any f/stop on the flash.

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Nov 12, 2018 20:11:52   #
PixelStan77 Loc: Vermont/Chicago
 
kenArchi wrote:
When I set my camera at f-5.6, 1/60 second to take a picture of my subject, what f-stop should I set my flash?
Make sure the flash you are using is designed for your camera or you could ruin the electronics in the camera.

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Nov 12, 2018 20:17:35   #
kenArchi Loc: Seal Beach, CA
 
As I have said the camera is set at f-5.6 and 1/60 second. All settings are manual.
If I was using settings in auto and TTL I would not be asking this question.
Surely, you being an accomplished and experienced photographer you would know and understand flash photography would be able to help me out?
As I am still on the amerature page.

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Nov 12, 2018 20:25:46   #
BebuLamar
 
kenArchi wrote:
As I have said the camera is set at f-5.6 and 1/60 second. All settings are manual.
If I was using settings in auto and TTL I would not be asking this question.
Surely, you being an accomplished and experienced photographer you would know and understand flash photography would be able to help me out?
As I am still on the amerature page.


Can you tell me the make and model of your flash as well as the make and model of your camera? Please!

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Nov 12, 2018 20:30:26   #
kenArchi Loc: Seal Beach, CA
 
Does it matter if I am using a studio or on camera flash?
They do put out an instant burst of light right?
And will a flash meter read the f-stop output?
And can you not adjust the flash from full power to 1/128th power?

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Nov 12, 2018 20:35:29   #
kenArchi Loc: Seal Beach, CA
 
I am a novice in this, so your expertise will be much appreciated. Thank you

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Nov 12, 2018 20:36:40   #
BebuLamar
 
kenArchi wrote:
Does it matter if I am using a studio or on camera flash?
They do put out an instant burst of light right?
And will a flash meter read the f-stop output?
And can you not adjust the flash from full power to 1/128th power?


It does matter on which flash you use. A studio flash would be only manual with a wide range of power selection. Compatible flash unit mounted on the camera would offer TTL automation. Many old non compatible flashes would offer non TTL auto mode. Each type of flash you would need to use differently.
But any way. You don't want to tell me which flash you have so OK only you can ask question and not me.

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Nov 12, 2018 20:43:03   #
Grahame Loc: Fiji
 
kenArchi wrote:
As I have said the camera is set at f-5.6 and 1/60 second. All settings are manual.


Have to admit I'm a bit confused as to what you are asking but based upon your above statement, I would suggest the setting/power of the flash would be determined upon the distance of your subject.

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Nov 12, 2018 20:45:01   #
kenArchi Loc: Seal Beach, CA
 
Using any type of flash off camera in manual settings does it matter which brand or type I should use?
Do they have different powers from each other?

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Nov 12, 2018 20:53:54   #
BebuLamar
 
kenArchi wrote:
Using any type of flash off camera in manual settings does it matter which brand or type I should use?
Do they have different powers from each other?


OK when you use a flash on manual you set the power level on the flash and the aperture on your camera. Unless there is significant ambient light the shutter speed is irrelevant as long as it's the same or lower than the max flash sync speed.
There are many way to do this. In your case you want your aperture of f/5.6 then set your lens at f/5.6. If you use a digital camera and don't own a flash meter you simply take a test shot then increase or decrease the power until you get good exposure. If you have the flash meter then the meter would indicate the f/stop you have to set on the camera. You can then increase or decrease the power so you can get the f/stop you want.
You can use the guide number method but to do this you must have a chart from your flash manufacturer listing the guide number for each of the power level and you can only use the flash straight on without bouncing or using diffuser, umbrella, softbox. With any of those the guide number method doesn't work.
Different flashes put out different amount of light with the same power settings.

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Nov 12, 2018 21:06:54   #
Longshadow Loc: Audubon, PA, United States
 
Grahame wrote:
Have to admit I'm a bit confused as to what you are asking but based upon your above statement, I would suggest the setting/power of the flash would be determined upon the distance of your subject.

You need to know the Guide Number for the flash if using it in manual. How much "power" it puts out.
Do you have the manual? It may have a guide number chart in it. The aperture setting would be based on subject distance and the guide number.

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Nov 12, 2018 21:19:54   #
kenArchi Loc: Seal Beach, CA
 
Does the flash meter read guide numbers or f-stops?

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Nov 12, 2018 21:20:36   #
BebuLamar
 
kenArchi wrote:
Does the flash meter read guide numbers or f-stops?


The flash meter will read out in f/stop.

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