Question about Sunpak Auto 555 TTL Flash

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Sunpack 555 inconsistantly fires with Pentax K20

The flash is connected via a dedicated sync cord to the hot shoe.. I also tried the ac type cord with the same result of when the ready light glows it will fire but only after you press the shutter 2 or three times. This is most often after the flash has just been fired but again I do wait 2 or three seconds and the light is on.

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Your strobe is faulty and needs repair at a trained service center. The actual culprit may be the voltage converter circuit that supplies the high voltage to the flash capacitor, or the voltage divider that drives the ready lamp and, at the same time, makes triggering possible.

Posted on Feb 18, 2009

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My flash unit seems to be functional, but won't work when taking pictures with the T70.


Is this a canon dedicated flash? Does it fire but you don't get a picture or is most of it blank? Try clean off the hot shoe contact and the dedicated contacts with an ink eraser. It may be that there is gunk/corrosion of the hot shoe contacts on the body. If it is not a dedicated flash you have to set the camera to the flash sync speed on manual. On the model it would be something like a 1/60th of a second. Is the flash hot shoe cracked?

Sep 12, 2014 | Canon T70 35mm SLR Camera

2 Answers

Will sunpak 622 flash work with Nikon 5200?


You will need a "Hot shoe to PC connection adapter" to connect the PC sync cord to your camera

Dot Line Nikon Hot Shoe to PC Connection Adapter

Jan 29, 2014 | Sunpak 622 Super Pro TTL Flash

1 Answer

My Pentax K1000 won't flash when taking the picture


Questions: is the flash fully seated on the hot shoe, are the batteries in the flash good, finally does the flash fire on another camera. My K1000 would not fire any flash on the hotshoe nor using the PC plug it needed a CLA.

Feb 17, 2012 | Pentax K1000 35mm SLR Camera

1 Answer

Flash for mamiya 7


As with most cameras, the flash for a Mamiya is universal. Any flash with a hot foot connection will fit onto the camera, and function on the camera's shoe mount. You may alternatively use any flash which has a PC sync cord to plug into the PC sync socket on your camera, it just depends on whether you want to use a camera phycially mounted on your camera, or an off-camera flash.

The flash shoe on the Mamiya 7 isn't an "intelligent" type, meaning it only has the standard single contact and doesn't communicate any exposure or other information between camera and flash, so even the cheapest off the shelf shoe-mount flash will work just as well as the most expensive. Even specialized dedicated Nikon, Canon, and other brand "dedicated" flashes with multiple contact pins will also work, only the functionality of the information communicated through those other pins will be lost.

Sep 16, 2011 | Mamiya 7 II Medium Format Camera

1 Answer

Pentax K110d flash trigger problem, I have 2 flash trigger strobes set up and a flash on the hot shoe of the camera, but with shutter release the trigger strobe lights fire but do not show in the pic, only...


Your camera uses a PTTL flash system. That means the flash on the camera fires a "pre-flash" to set the exposure and then the main flash. Your flash trigger strobes are reacting to the pre-flash and firing before the shutter activates. This all happens in a millisecond.

Oct 25, 2010 | Pentax K110D Digital Camera

1 Answer

Vivitar 285 HV won't fire


If you know basic soldering, Open the old hot shoe from base
(4 screws).Note down the position of the wires.
Try to fire the flash with shorting two trigger wires,most ly it will fire.
If the springy contact is adjustable do it.If it is not repairable, you can get metal hot shoe from ebay easily.
Caution: metal hot shoe will short circuit 4 TTL contacts (on digital camera) ,so you need to put cello tape at bottom of hot shoe with only center hole.
Hope this solves.

May 12, 2009 | Vivitar 285HV Flash

1 Answer

Switch from film to digital cameras.


I also own a Vivitar 285 that i used with my Canon F1 manual 35mm camera. Most older cameras before the advent of digital, had a hot shoe on top of the camera, or like in my case, the hot shoe went over the rewind knob. I also had to plug in a power cord from the 285 flash foot and the cameras PC connection in order for the flash to work on some other cameras. The Canon Rebel XTi has a TTL (through the lens) hot shoe usable with Canon's own EX flash units. You can buy a "hot shoe to PC connector" if the TTL camera hot shoe doesn't work, but be extremely careful, the only problem that exists with the older manual flash units was the trigger voltage is as high as 200+volts which would fry digital camera hot shoes. I tried my unit with a Wein flash trigger device on the PC cord of the flash and my Canon D60 with it's own flash. All shots were overexposed and washed out highlights.  Here's a copy of the hot-shoe review:h The EOS 400D's hot-shoe can be used with Canon and third party flashes (although sync only on most third party units). The hot-shoe is E-TTL II compatible. Compatible flashes include Speedlite 220EX, 380EX, 420EX, 430EX, 550EX, 580EX, Macro-Ring Lite, MR-14EX, Macro Twin Lite MT-24EX and Speedlite Transmitter ST-E2.  The Canon Rebel XTi doesn't have a PC socket to plug in a manual flash trigger cord which common sense tells me there is no provision to step up the voltage to trigger manual flashes - so my answer is this combination is not a good idea on a Canon Rebel XTi. Hope this helps.

Dec 12, 2008 | Vivitar 283 Flash

1 Answer

Sunpak 383 problem


Try to trigger it by shorting Center of shoe mount and the side terminal with a small wire.If it is firing the flash is ok.
If not there is open connection in the sync jack ,due to repeated inserting of sync chord.The springy part inside is not going back to its normal position.
You can fix it your self by opening it(adapter only)
.If you are new to this take a photo of the wiring immediately after opening the shoe adapter to see the position if any wire breaks later on.
Do not give up .383 is great flash

Nov 05, 2008 | Sunpak 383 Super Flash

2 Answers

Pentax me super camera


Hey judyrosebudd,
You should be able to use any flash that is not dedicated to another camera manufacturer. Even though the manufacturer lists this camera as a dedicated flash unit it still has the sync contact in the center of the hot shoe mount, which is all that is required to operate a all manual flash. This being said a dedicated flash should provide much more advanced options and simplicity of use. I hope this helps!

Sincerely,
Allan
Go Ahead. Use Us.

Jul 22, 2008 | Pentax ME Super 35mm SLR Camera

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