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06-11-2011, 05:35 PM   #1
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Need help choosing off camera flash cord

I'm looking for an inexpensive cord setup to use off camera P-TTL flash with my K20D. This one looks like a good option, but I'm not totally clear if it will work with the K20D in P-TTL mode. I saw a review on one site that said it didn't work with a K7. The packaging says TTL, but also digital. Does anyone know if this works with modern Pentax cameras?

Vivitar Digital Off-Shoe Flash Cord VIV-FC-PEN B&H Photo Video


Last edited by klh; 06-11-2011 at 06:38 PM.
06-11-2011, 10:04 PM   #2
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I got one and it works w/ my K-5, and K-x and sigma 530 flash in pttl mode just fine
06-12-2011, 04:56 AM   #3
klh
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QuoteOriginally posted by Dma110 Quote
I got one and it works w/ my K-5, and K-x and sigma 530 flash in pttl mode just fine
Great. That's what I needed to know. Thanks!
06-12-2011, 08:30 AM   #4
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You might find cheaper ones at eekbay with free shipping.
They all work the same if they are for Pentax since Pentax hot shoes haven't changed much through the years. Make sure it is compatible with P-TTL.
It should have all the contacts for the hot shoe or flash.

06-12-2011, 02:37 PM   #5
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The photo is not the Pentax version. They should have one end that looks like the camera's hotshoe and another that looks like the flash foot. Vendors are often sloppy about that, especially for Pentax accessories.

Pentax did not change the hot shoe connectors for a long time, at least since the SF1 in 1987. So a cable like this, labeled TTL will still work fine, even with a P-TTL flash. Pentax has their own system for connecting flashes, with several components. Those cables should be "5P" cables. The older 4P cables won't work. The 4P connectors aren't very common and again, are a pretty old system. Pentax has used the 5P system for about 20 years.
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