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Old Dec 8, 2007, 6:40 PM   #1
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I know the EOS boys are nervous about using the Vivitar 285HV on their cameras; I also know that a few Pentaxians are fearlessly using them on K10D cameras.

So, what's the general consensus? Safe? Or foolhardy?

Thanks,



-Mike
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Old Dec 8, 2007, 7:39 PM   #2
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Personally, I don't know if I'd risk it. use a safe sync if you really want to. I think the reported voltage is quite high for that one.
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Old Dec 8, 2007, 7:45 PM   #3
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fisheye4 wrote:
Quote:
Personally, I don't know if I'd risk it. use a safe sync if you really want to. I think the reported voltage is quite high for that one.
not sure i agree with that.
give me a minute

roy
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Old Dec 8, 2007, 7:52 PM   #4
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ck this site. FLASHit'll give voltages and tell you how to ck it yourself.

a pentaxUSA tech told me pentax had some high voltage flashes at one time so we were good to 300volts

take it with a grain of salt because pentaxEU said 30volts.

a safesync costs about $60.. i'd find a flash at below 30volts and use it.

roy
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Old Dec 8, 2007, 7:58 PM   #5
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I use a Vivitar 285 and a 285HV, both tested at much less than 10V ( 6-8V to the best of my memory). Test the voltage on your particular flash before you mount it on the camera.

Ira
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Old Dec 9, 2007, 12:44 AM   #6
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I use my 285HV all the time and have had no adverse effcts...That is on my K10d...Not yours...You have to be the one to check and decide!

Dawg
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Old Dec 9, 2007, 12:47 AM   #7
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I've got a good working Vivitar 285 HV that I've had for over 20 years. It's fantastic and I use on my Mamiya 2 1/4, Pentax K1000 (35) and old leica film.

But I am not going to take a chance with it on my new K10D. I will get a Pentax Digital flash.
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Old Dec 11, 2007, 7:33 AM   #8
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Thanks, everyone, for taking the time to answer.

Other research has indicated that the K10D can handle 16-25 VDC trigger voltages, but since there's nothing definative forthcoming from Pentax (that I can find), maybe I'll hold off. I do have a pair of Canon 300TL flashheads that trigger with 3.4 VDC; I may try those (manual only). Or maybe a $30 set of RF wireless triggers...eliminate the problem completely.



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Old Dec 11, 2007, 11:15 AM   #9
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Since we are on the subject of flash-has anyone had any experience with the AF360 on the K10d. I am sure this has been discussed before-I have not seen anything.

Thanks
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