Question about Nikon Speedlight SB-800 TTL Flash

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SB-800 -3EV message after about 50 shots or so

I have been shooting fashion shows these last few weeks and after I get about 60-70 exposures from the flash I get a -3EV message popping up on the LCD of the SB-800. Then I get no flashes every two or three shoots and sometimes it just dies. It's not a battery issue since I have put fresh batteries in when this happens and the problem sometimes persists. Is this an overheating issue? How many flashes does it usually take to overheat this flash?

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IN THE INSTRUCTION MANUAL USING THE FLASH IN SHOOTING FAST CAUSES IT TO HEAT UP .

TRY USING THE FLASH IN MANUAL AND CUT THE RATIO POWER AND USE AS A FILL AND NOT A MAIN .
YOU COULD ALSO USE TWO NIKON SB800 FLASHES IN ITTL AND WITH TWO THE FLASH IS USING HAVE THE OUTPUT AND RECYCLE TIME IS INCREASED .
DAVE BLACK A WELL KNOWN PHOTOGRAPHER DOES THIS IN HIS SHOOTING .

BERRIE SMITH CAMERA REPAIR
bbmw@bellsouth.net

Posted on Nov 28, 2008

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Shooting with a Nikon zoom such as 18-200 with a Nikon SB800 flash on a Nikon D300 body. I make an exposure of a person and the result is exceptable and then I zoom to the whole group of five people and it...


Depends on the zoom length. If you check exposure at zoom 18 mm then zoom to (lets say) 100 for the final picture the flash will zoom concentrating the flash power as well; the flash gets stronger. This is all explained in the SB-800 manual. On a zoom such as the 18-200 the more you zoom the smaller the f/stop. You are better off with a zoom that maintains its f/stop through the entire zoom range. That way when you check exposure at 18 mm lets say f/2.8 then zoom in it will maintain the same f/stop. Myself I am not a big fan of zooms especially ones when zoomed change to a smaller f/stop.

Aug 05, 2010 | Nikon Speedlight SB-800 TTL Flash

1 Answer

Ttl auto does not work


Digital Camera Fully Compatible, Newly Developed S-TTL System "S-TTL" enables TTL auto shooting by an external strobe for a digital SLR camera as well as for a point & shoot digital camera.
INON S-TTL auto strobe supports any manufactures' model providing highly accurate exposure control.
Film camera era without strobe selection problem TTL stands for "Through The Lens" and TTL auto strobe system controls flash amount to provide correct exposure based on calculation by camera's internal sensor metering reflecting strobe light from a subject through the lens. This TTL system meters actual light amount reflecting from a subject providing accurate exposure.
When we start with the history of underwater TTL auto strobe, underwater camera?"NIKONOS V" released in 1984 was the first to provide automatic TTL flash control for underwater strobe SB-102, SB-103 succeeded by NIKONOS V compatible underwater strobes form other manufactures. The 5 pin electrical sync connector for NIKONOS V is most popular and widely adopted to connect an underwater strobe and underwater film camera (underwater camera/housing).
A film SLR camera has flexibility to select an underwater strobe. As far as housing has NIKONOS type electrical sync connector and properly wired, automatic TTL flash control is usable with any TTL auto strobe like Nikon SB-105, INON Z-220, Z-22 connected via electrical sync cable.
NIKONOS type 5 pin electrical sync connector and NIKONOS V with INON Z-22 strobe
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Film camera compatible strobe is not usable for a digital camera!? Underwater TTL strobe circumstances have been drastically altered with the spread of digital camera among divers. Some underwater housing for digital SLR camera has NIKONOS type electrical 5 pin sync connector as same as film camera housing. Since the housing has same NIKONOS type sync connector, existing film camera compatible underwater strobe has been considered compatible with a digital SLR camera via 5 pin sync cable but happened to experience error message on the digital camera or blackout on an image even the strobe worked. Why this happened?
This is because automatic TTL strobe system difference between a film camera and a digital camera.

The film TTL auto system makes single flash while digital TTL auto system employs pre-flash type making two to three flashes. Film TTL auto strobe system starts firing at the same time the shutter opens and reflecting strobe light from a subject is recived at a film. The reflecting light on the film is metered by the sensor to determine when to cease firing for correct exposure. This process takes only about 1/1000 second.
In contrast, digital TTL auto strobe system can not calculate adequate exposure based on reflecting light from a subject since image sensor (CCD/CMOS) reflectivity is comparably low comparing to a film. So digital TTL strobe system gives preliminary flash for very short period of time (pre-flash) just before the shutter opens metering reflecting light from a subject by the sensor to calculate necessary amount of light for correct exposure and starts emitting main flash at the same time the shutter opens. Canon E-TTL and Nikon i-TTL employs this system.

When we connect conventional film camera compatible TTL strobe to pre-flash type digital SLR via sync cable, the strobe makes full dump by pre-flash signal then the shutter opens before the strobe has been fully charged resulting in quite under exposed image only with ambient light. Even two time flash compatible strobe like INON Z-220 strobe, does not fully support a digital TTL and force to use Manual flash mode.





Film SLR:
A strobe starts firing at the same time the shutter opens and quenches firing when correct exposure has been obtained.
A film compatible TTL strobe connected to a pre-flash type digital SLR via electrical cable flashes does not support TTL auto exposure resulting in synchronization only with first pre-flash or totally uncontrollable.
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The birth of digital fully compatible S-TTL S-TTL auto compatible INON D-2000 strobe and Z-240 strobe works in TTL auto mode by simply setting their main dial to S-TTL position. A film camera seems to depend more on photographer's skill, experience and feel since the camera does not allow checking images on site. A digital camera allows us to check images right after shooting and enable to try to shoot again as much as we like. And high capacity memory card further allows to shoot hundreds of images. The digital camera makes entry level of underwater photography getting down and nowadays more people buy a digital SLR camera and underwater housing even they have just started underwater photography. However underwater photography gets more difficult because underwater strobe does not work in TTL auto.
INON is among the first to support digital TTL auto system with "S-TTL" auto mode equipped D-2000 strobe and Z-240 strobe.
The proper name of S-TTL is "Optical Synch TTL". S-TTL enables to perform in TTL auto exposure as same as genuine TTL strobe from camera manufacture, based on camera's built-in flash light to use as a signal to be transmitted to a strobe. S-TTL uses digital camera's built-in flash light not as a light source but as like a controller to trigger S-TTL strobe.
The built-in flash of a digital camera makes weak flash (pre-flash) before main-flash to calculate exposure. This pre-flash is transmitted to S-TTL strobe to control the strobe to make pre-flash to a subject. The reflecting light from the subject goes through the camera's master lens to an image sensor then a processor calculates main flash light amount for correct exposure.?Finally the built-in flash makes main-flash which is transmitted to the S-TTL strobe to cause main-flash of the S-TTL strobe.


Digital camera's built-in flash lights are transmitted via an optical fiber to the
S-TTL strobe to make pre-flash and main-flash instead of the built-in flash.
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Apr 30, 2010 | Olympus FL-20 TTL Flash

1 Answer

My SB-600 Just quit firing... :(


It maybe because it overheated he flash tube, nikon flash guns use a thermal cutout, to prevent overheating, usually after approximately 30 / 40 shots, in quick succession.  It should start working again after it cools down.
If not you may need to get it checked at Nikon Service Centre. Cheers Ian

Aug 04, 2009 | Nikon Speedlight SB-600 TTL Flash

1 Answer

D300, SB-800 fires but no exposure.


Thats is odd.
When you hook everything up, do you turn on the flash last?
It sounds like the battery pack is giving the flash a different voltage then it should have causing incorrect readings and exposures.
I would send the pack back to Quantum(located in Ronkonkoma, NY) and have them check it.

Jul 13, 2009 | Nikon Speedlight SB-800 TTL Flash

1 Answer

Flashing negative sign


A few suggestions for outdoor flash too bright with SB-600.
1 - If flash is in the auto mode, try hitting the (-) symbol a few times to lower the flash output
2 - Quick fix for close shooting - pull down the diffuser. You loose about 2 stops of flash light and effect is much softer. Don't forget to raise it later or you might think you have the opposite problem
3 - On the camera side, you play with your ISO. Depending on the scene, changing ISO can increase or decrease effect of flash vs background. This can be tricky to predict in auto because the camera is doing calculations of its own.
4 - You can put the camera in aperture mode and set your apeture so that you get a good balance between flash and ambient light. The camera will adjust the shutter speed, which increases or decreases the effect of the background - while the flash remains a constant. This can be very effective in tricky lighting situations, but be prepared to take lots of test shots to get it right.
5 - You can put the flash in manual mode. That will give you a consistant fixed reduced flash output regardless of what the camera tries to change. You have to keep checking your display to see the effect, but with camera in auto this can be a winner.
6 - Finally, you can go "old school" and put both camera and flash in manual and find your best combination. When I'm pressed for time in tricky conditions I often do this by finding a good setiting for a fixed distance, and then adjusting my apeture up or down as I shoot closer or farther things. We had to do it like this back in the day, and with the histogram on the display, I can get dead on where the camera "brain" would get tricked.

Jun 30, 2009 | Nikon Speedlight SB-600 TTL Flash

1 Answer

Problem with speedlight SB-800


Check the conatcts on the shoe area and also the exp comp is done in the flash or in the cmaera to a minus 7 and that should help the exposure.

Apr 09, 2009 | Nikon Speedlight SB-800 TTL Flash

1 Answer

Black & White shots from Nikon D80


You would be better off shooting in regular mode and converting to B&W using photoshop

Jan 03, 2009 | Nikon Speedlight SB-22S TTL Flash

1 Answer

SB600 Works Erratically...


If red light on flash is blinking, flash is charging. In shooting rapidly, sometimes flash will go off even though it isnt fully charged. This can give dark shots. Flash eats batteries like crazy, best to always use fresh batteries for each shoot.

Apr 14, 2008 | Nikon Speedlight SB-600 TTL Flash

1 Answer

SB800 under exposure


Hi Stew,

Do the following:

ISO: 400
Shooting Mode: RAW or high JPEG
White Balance: Flash
Camera Mode: M
Camera Shutter: 30 or lower
Lens Aperture: 2.8
Flash Mode: A at 2.8
Flash: Wait until flash fully charged

Now, it's magic!
Send me some money for this tips when you make more money and produces great exposures:-)
Now, you're the top photographer in the town.

You can set ISO to 800 if you are not printing bigger than 8 X10.

Hope above are helpful to you and all photographers.

Alexander
atdlee@netzero.com

Nov 22, 2007 | Nikon Speedlight SB-800 TTL Flash

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