Question about Samsung SEF-42A TTL Flash

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Samsung SEF-42A TTL Flash

I cannot find Samsung SEF-42A TTL Flash for my pro815. What other TTL flash I can use

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  • Anonymous Feb 03, 2009

    I have the same problem finding this accesory, did you finally found it or not??? please let me know
    thank you

  • Anonymous Apr 17, 2009

    i have the same problem and i live in us...please let me know too...thank you so much

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Wie ist das möglich das man dieses Blitzgerät nicht mehr bekommen kann

Posted on Oct 08, 2008

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The 580EX is firing but images comes out completely dark it just started happening in a session around 2 hours ago........i put it on another camera the 40d still the same problem what can this be?


When the flash mode TTL. Then this situation can occur if the proximity is working with other studio flash light traps. Your work makes flash another flash while TTL metering. And when is your main flash another flash did not have time to recharge.

Sep 18, 2010 | Canon SPEEDLITE 580EX TTL Flash

1 Answer

I've mislaid my manual for my Metz 54. I haven't used it for a while and can't remember how I set the thing to shoot in ttl with my Fuji S6 Pro. When I'm in ttl mode on the flash the camera doesn't fire....


Not sure what S6 pro is, but if the flash doesn't fire in TTL then the flash is not support the type of TTL in the camera. I had the same problem with Nikon flashes on Nikon bodies. Perhaps you need a newer SCA adapter? Please go on http://www.metz.de/en/photo-electronics/sca-adapter/archive.html to check which adapter you need

Jul 02, 2010 | Metz 54 MZ-4 for Nikon 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

Can I use the Canon Speelite 550EX TTL with a Nikon D3


No. the Nikon and Canon flahses and camera speak different "languages" in TTL. So while the flash may fire once in a while, the TTL (Through The Lens flash metering) will not be compatible and the exposures will almost never correspond and synch up. Get a Nikon SB-900 flash.

Nov 30, 2009 | Canon Speedlite 550EX TTL Flash

2 Answers

My sb 600 fires with the camera but it seems not illuminate


Definately a settings problem. The camera will only syncronize on one specific speed. Youe best bet is to use auto. For manual, you'll have to set the shutter speed at the sync speed.

Flash Sync Speed
  • up to 1/250 X-Sync Speed
  • up to 1/8000 FP High Speed Sync
  • Red-eye reduction
    Red-eye reduction with slow sync
    Rear-curtain sync
    Slow sync
    Front-curtain sync (normal) Flash Sync Modes
  • 1) i-TTL: TTL flash control by 1,005-pixel RGB sensor, built-in flash, SB-800, SB-600, SB-400: i-TTL balanced fill-flash and standard i-TTL flash
    2) AA (Auto Aperture-type) flash: Available with SB-800 used with CPU lens
    3) Non-TTL Auto: Available with Speedlights such as SB-800, 28, 27, and 22S
    4) Range-priority manual flash; available with SB-800 Flash Control
  • Mar 13, 2009 | Nikon Speedlight SB-600 TTL Flash

    1 Answer

    I have a Samsung Pro815 and a Metz CT1 Flash


    I believe the Metz does not have a hotshoe, does it?
    You should be able to buy a hotshoe adapter with a pc socket and direct the Metz PC cord to the hotshoe adapter. These are very common peices and can be purchased in most any camera store.

    Feb 02, 2009 | Nikon Speedlight SB-800 TTL Flash

    1 Answer

    I Have a Nikon d80 with a sb800 speedlight


    CAMERA ON P , FLASH ON TTL , AND LENSE ON F22
    WAIT FOR THE RED LIGHT ON FLASH , GOOD MEMORY CARD AND IT SHOULD WORK .
    BERRIE SMITH CAMERA REPAIR
    BBMW@BELLSOUTH.NET

    Nov 15, 2008 | Nikon Speedlight SB-800 TTL Flash

    1 Answer

    External Flash for PRO 815 Digital Camera


    have the same problem. Nassau Bahamas.

    Tried a slave trigger with my old vivitar flash unreliable. got better results with Phoenix D91-BZS from B&H

    Jun 18, 2008 | Camera Flashes

    1 Answer

    Flash won't fire on p-ttl mode


    The AF360 can be in TTL mode until it is mounted on a P-TTL compatible camera and turned on, then it senses the camera and goes to P-TTL. However, sometimes in the past when I got TTL and it should have been PTTL it meant that either the batteries were not connected properly (I know, sounds strange, but check the battery compartment cover to make sure it is seated properly and make sure that the batteries are all in proper position), or that the AF360's contact pins were not all making proper contact with the shoe or extension. Beyond that it could be a faulty flash. You have swapped lenses and cameras with the same result, how about swapping flash? Unfortunately that may be your problem.

    Sep 08, 2005 | Pentax AF-360 FGZ TTL Flash

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