Multiple Flashes: I'm trying to learn to light up the entire room. Using Nikon system, I have four lights, a SB900, SB600 and two Neewer TT560's and using the on board flash as...

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Multiple Flashes

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Apr 28, 2015 21:14:29 #

brill41 Loc: Dade City, FL

I'm trying to learn to light up the entire room. Using Nikon system, I have four lights, a SB900, SB600 and two Neewer TT560's and using the on board flash as Commander. With all the lights aimed in the general directipon, when I take the shot all the flashes respond, but the only light on the subject is from the on board flash. I would think if all the flashes were in sync, the whole place would light up. It seems to me that the remote flashes all lite up, but not in sync with the shutter and the on board flash. I'm sure someone on the Forum has the answer.
Thanks,
Sam

Apr 28, 2015 21:18:44 #

OddJobber Loc: Portland, OR

What camera and what shutter speed?

Apr 28, 2015 21:29:39 #

CaptainC Loc: Colorado, south of Denver

What is SOUNDS like is that the camera is on TTL and the flashes are on Optical slave. Now the -600 does not have the optical slave mode at all, so it will never work that way. Optical slave on the -900 is called SU-4 (for slave unit).

If indeed this is the issue, the remote units are firing with the TTL pre-flash.

The setup should be: Camera flash set to Master and then the remotes set to Remote and the appropriate Channel to match the Master. You can have three groups, but in this case all in same group is most likely fine.

Apr 28, 2015 21:31:56 #

brill41 Loc: Dade City, FL

OddJobber wrote:

What camera and what shutter speed?

Camera is Nikon D810 and shutter speed is 250.

Apr 28, 2015 21:42:06 #

brill41 Loc: Dade City, FL

CaptainC wrote:

What is SOUNDS like is that the camera is on TTL a... (show quote)

CAP,
The camera is Commander and all flashes are remote. They all respond, just not in sync with the camera and on board flash.
Thanks for the input.

Apr 28, 2015 21:47:24 #

Didereaux Loc: Swamps of E TX

MUlti flashes? Call Syl Arenas! Look him up and get his book(s).

Apr 28, 2015 21:54:15 #

CaptainC Loc: Colorado, south of Denver

brill41 wrote:

CAP,
The camera is Commander and all flashes are remote. They all respond, just not in sync with the camera and on board flash.
Thanks for the input.

Dang - I use exactly this setup all the time and it is bulletproof. There is evidently some setting here that is incorrect.

What mode is the commander? TTL or Manual?

Apr 28, 2015 22:02:59 #

brill41 Loc: Dade City, FL

CaptainC wrote:

Dang - I use exactly this setup all the time and it is bulletproof. There is evidently some setting here that is incorrect.

What mode is the commander? TTL or Manual?

Cap,
The commander is in TTL mode, should it be in manual?

Apr 28, 2015 22:32:48 #

CaptainC Loc: Colorado, south of Denver

brill41 wrote:

Cap,
The commander is in TTL mode, should it be in manual?

TTL is fine.

Let's go through JUST the -600 set up and isolate it to one type.

D800: Commander mode:
Mode Comp
Built-in flash TTL 0
Group A TTL 0
Group B TTL 0
Channel 1

Now make sure the SB-600 shows:

Channel 1 Group A
Since they are firing, this probably is set, but the little squiggly arrow has be showing to indicate it is in wireless mode.

Set like that, it has to work!!!

When posted, the columns do not line up - Mode should be TTL and Comp 0

Apr 28, 2015 22:59:20 #

brill41 Loc: Dade City, FL

CaptainC wrote:

TTL is fine. br br Let's go through JUST the -600... (show quote)

Cap,
While we were away, I set the onboard flash to commander and manual. The 800 and 600 were still on remote A - 1. Neewer's were on mode 1.
Bingo --- They all flashed in sync and lite up the room. Setting the commander to M was the answer.
Thanks alot Cap, you solved the case!!!
Sam

Apr 28, 2015 23:06:40 #

CaptainC Loc: Colorado, south of Denver

brill41 wrote:

I have never had a problem that it was not my fault!

M is fine TTL is fine - as long as everything is set to that mode.

I prefer TTL as it is truly magic, but Manual can be more consistent.

Apr 29, 2015 05:40:41 #

Gene51 Loc: Yonkers, NY, now in LSD (LowerSlowerDelaware)

brill41 wrote:

I'm trying to learn to light up the entire room. U... (show quote)

Use radio triggers. Sounds like you are using the CLS infrared and the flashes must all have a line of sight to the commander.

Apr 29, 2015 06:34:25 #

jerryc41 Loc: Catskill Mts of NY

brill41 wrote:

I'm trying to learn to light up the entire room. U... (show quote)

One possibility is a version of painting with light. Set up the camera with a small aperture, on Bulb. Then go around flashing the flash. It takes some experimenting, but the results can be amazing.

The picture below was done using a similar technique. I read an article about it a year or more ago.

Apr 29, 2015 09:15:08 #

big-guy Loc: Peterborough Ontario Canada

Do you have the red eye option turned on? This will fool the slaves to fire before the actual exposure takes place.

Discover whether your slaves are firing beforehand by choosing a shutter speed of 1/30. If you still see no signs of slave flashes then your slaves are firing before the actual exposure.

Also, if you have the 2nd curtain flash synch set then that will also fool the slaves due to the preflash.

Apr 29, 2015 11:17:59 #

twillsol Loc: St. Louis, MO

CaptainC wrote:

What is SOUNDS like is that the camera is on TTL a... (show quote)

I have an SB600 and it works fine as a slave unit.

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