Question about Novatron 1000ws Standard Head with 25' Cable Flash

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Syncing Nikon D300 with 600VR strobe system

Does the Novatron 600VR battery pack strobe system produce negative voltage of more than 250 Volts through the sync?  In the past I have used the 600VR with a film SLR as well as with a medium format SLR with really good results.  I would like to use it with my new Nikon D300, but understand that damage can occur if the voltage is too high.  Can I use the old sync cord that I used with the film cameras?  If not, what wireless system do you recommend for this combination of flash and camera? Thanks so much for any advice you have.

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A wireless system such as the line of Pocket Wizards is a good choice- the are builr to professional standards and are very reliable.

If you wish to hard wire your flash unit to your digital camera, you can purchase a protector wivh reduces the trigger voltage to a safe level refatdless of the age or design of the flasg system you are goinf to use, Under no circumstances should you use this combunation of equipment without a radio triggering device or the protector, The protector attache to the hot shoe of the camera and provides a standard PC synch cord terminal for connecting your flash system to the camera.

You can test the voltage by putting a volt meter set a 250 or 500 VDC across the synch socket in the flasg unit, If the meter deflects negatively just revers the polaity for a correct reading. If there is under 5 volts there is ptobably no issue, however, I still would take no chasces abd use a radio or a protector. If the falsh won't fire with the radio or protector in place, tha probably means tha the synch voltage is very low.

Posted on Nov 26, 2008

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Tried my new Ikelite AF35 strobe for the first time today and had the disposable everready batteries (new) in for about 45 minutes. After taking some practice shots with the Nikon L22 camera in the new...


Sounds like an O-Ring problem, you need to use a bit of silicon when closing and O-Ring should be removed and cleaned after every dive. If the flash isn't working, you will have to send it in for service. Here is the address;
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50 W 33rd St.
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Oct 17, 2010 | Ikelite 4035 Left Hand AF35 Auto flash kit...

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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

2 Answers

Hello i am using a Canon EOS Rebel T1i, with a DynaLite kit, but I can't see where to attach the sync cable to the camera


Your camera has no PC Socket.
Buy a NIKON AS-15 and you are ready to shoot. Or just buy a cheap Nikon flash that has a PC Socket.
atdlee@netzero.com

Feb 07, 2010 | Dyna Lite Camera Flashes

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

Lighting


Do not put the camera in P mode, it must be in M. Also some of the old Novatron units have a polarity issue. If the Camera cannot fire the Novatron, that the plug out of the Novatron in turn it 180 degrees then plug it in again. Sometime on older units this fixes the problem because the voltage polarity is not matched.

Apr 18, 2009 | Camera Flashes

2 Answers

Vivitar 283 with new Nikon Digital camera


the nikon D80 has a 250 volts safe range and i have the same issue but readin on the internet i learned that yo can now the voltage of your flash with a voltage metter ond the hot soe.

Vivitar 283 has diferent ranges of voltages depending on the year of fabrication so older ones can achieve 300 volts and earlier have 230 volts so the best is to get a vivitar 285hv for about 75dollars or a safe sync for about 55dollars, you can find all on ebay or other brouser the safe sync converts up to 400 volts to a safe 6 volts that are yust the normal voltage for digital flashes.

Jan 06, 2009 | Vivitar 283 Flash

1 Answer

Novatron 240 Flash Kit


First you need to isolate the problem by doing some troubleshooting.
1) try a known good sync cord to determine if the problem is the sync cord and not the power pack.
2) try a known good sync cord with a known good camera to determine that the problem is not in the camera.
3) try your camera with a different power pack to confirm your camera is triggering the power pack OK.
These steps will isolate the source of the problem.

Aug 24, 2008 | Camera Flashes

2 Answers

Vivatar 283 and Nikon D70s


The Vivitar 283 was manufactured in China & Japan over a number of years & the specifications did change over this period.

The older Vivitar flashes had a voltage on the shoe which could reach 150 volts whilst the later ones had voltages of only 5 to 9 volts.

If you have, or can get hold of, a small voltmeter then you can measure this voltage.
Turn on your flash & let the unit charge up to 'ready' & connect the meter between the contact in the centre of the shoe & the little contact tucked away in the lip of the shoe. (DC volts not AC) There is no danger to you in doing this!
This should tell the voltage on the shoe of your unit & if it is 15 volts or less, it will be fine with your digital Nikon camera. If more than 15 volts than best not to use it.

Hope this is of some help!

Mar 10, 2008 | Vivitar 283 Flash

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