whats wrong here? (Page 2): Are those reflective or diffusion umbrellas? i had to ask because I just spent two days trying to figure out why I could not vary the aperture setting in...

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whats wrong here?

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Mar 21, 2012 07:11:10 #

Patw28 Loc: PORT JERVIS, NY

Are those reflective or diffusion umbrellas?

i had to ask because I just spent two days trying to figure out why I could not vary the aperture setting in any shooting mode on my D700.

Idiot! Turn off 'aperture lock' at CS f8!
(It could happen.)

Mar 21, 2012 07:44:24 #

nikon_jon Loc: Northeast Arkansas

MT Shooter wrote:

I am questioning the synch timing with your strobes. Almost looks like the two umbrella strobes either did not fire or fired after your shutter closed. The backlight fired for sure.

What Mt said. In stobing, sync is absolutely necessary.

Mar 21, 2012 08:52:56 #

jjestar Loc: Savannah GA

MT Shooter wrote:

I am questioning the synch timing with your strobes. Almost looks like the two umbrella strobes either did not fire or fired after your shutter closed. The backlight fired for sure.

I'm with MT looks like they didn"t go off or were not in sync and you might want to turn them around and move them back

Mar 21, 2012 09:18:54 #

sploppert Loc: Rochester, NY

From what I see from your setup the umbrellas look like they are reflected not shoot thru. Try turning them around and use a flash meter.

Mar 21, 2012 09:24:17 #

GoofyNewfie Loc: Kansas City

She has another thread:
http://www.uglyhedgehog.com/t-30979-2.html#481102

Mar 21, 2012 11:27:56 #

sontog Loc: S. California

Another thing you may want to look at is your camera settings. Check to make sure you have a compatible ISO setting and you are shooting in manual mode so your camera's meter doesn't meter off the light in the background. The problem is definately with the sync unless the strobes just didn't flash. Use a handheld meter to get your settings and make sure you are in manual mode. Turn your umbrellas around and move them back. You are defeating the purpose of them by shooting through them (although that can be done for special effects. Have fun and good luck.

Mar 21, 2012 11:28:32 #

English_Wolf Loc: Near Pensacola, FL

Post the original to stop the guesses.

Mar 21, 2012 12:46:12 #

rturpin

My first thought was that there is a lot of white in the scene. Wouldn't that tend to cause underexposure?

Mar 21, 2012 13:02:27 #

lpurschke Loc: new york

GoofyNewfie wrote:

It's a sync problem- commander mode fires the monnolights early. That's the way it worked in our studio.

So then what do I do?

Mar 21, 2012 13:08:13 #

GoofyNewfie Loc: Kansas City

lpurschke wrote:

GoofyNewfie wrote:

It's a sync problem- commander mode fires the monnolights early. That's the way it worked in our studio.

So then what do I do?

This is my last post from you other thread:

Don't own a 900 but the 800 has a setting called SU 4.
That's the slave mode and you can adjust the power manually in that mode.
Did you get a sync cord for the monolights? There is a fitting right under the "D300" on the front of your camera called a PC outlet. if you got one, plug the cord into that and the other end into a fitting somewhere on your monolight. Set the rest on slave. If you didn't get a cord....hmmm. Set the popup flash to manual on fairly low power. The pop-up flash should trigger them all if you play with the power. And as a couple others mentioned, make sure you shutter speed is not too high- 1/60 should cover it.

Mar 21, 2012 13:12:57 #

lpurschke Loc: new york

GoofyNewfie wrote:

quote=lpurschke quote=GoofyNewfie It's a sync pr... (show quote)

Yes I just got a note from admin that my post was moved to the Photo Analysis thread. I was a little confused, so sorry everyone. Goofynewbie I am looking for the sync cord and witll try that. Its definitely a sync thing. I got the ol readers manual out so will read it from front to back... will keep you posted.. thank you...

Mar 21, 2012 13:18:33 #

rturpin

To me this seems to be the same as when you are shooting snow scenes. The bright snow (your white background & umbrellas) fool the camera light meter and cause it to underexpose (i.e., camera thinks there is a lot of light so it reduces the exposure to compensate), so simply increase the exposure a stop of two. On my Canon I can adjust exposure in steps from -2 stops to +2 stops by just turning a dial.
Check out this tutorial. It might help.
http://www.photoxels.com/tutorial-exposure-compensation.html

A similar thing happens when you take a photo of someone standing in front of a bright window. The window light could dominate the exposure calculation by the camera, resulting in underexposure.
I'm not experienced with your type of flash setup, but this was my first thought when I saw the photo.

Mar 21, 2012 13:45:11 #

pounder35 Loc: "Southeast of Disorder"

MT Shooter wrote:

I am questioning the synch timing with your strobes. Almost looks like the two umbrella strobes either did not fire or fired after your shutter closed. The backlight fired for sure.

I'd second that. :thumbup:

Mar 21, 2012 14:05:10 #

GoofyNewfie Loc: Kansas City

rturpin wrote:

To me this seems to be the same as when you are sh... (show quote)

Good idea, but the monolights aren't firing at the same time the shutter is open and they can only be used on manual- not controlled from the camera. There would be some light from them and the photo shows none at all.

Mar 21, 2012 14:08:13 #

GoofyNewfie Loc: Kansas City

lpurschke wrote:

I wasn't sure where it went either.

Using the pop-up flash on manual should work too.

And it's GoofyNewfie ( as in Newfoundland) I'm hardly a newbie if you check my profile. Let us know what you come up with.

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