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12-28-2010, 09:20 AM   #1
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Is the PC terminal on the K20-D threaded?

Over the years I've had (like most of us, probably) mixed results using PC cables to trigger electronic flash units. I'm interested in experimenting with a screw lock PC connector but need to verify that the K20-D does, in fact, have a threaded terminal to accept this type of connector. It does, to my tired old eyes, look like a threaded socket and the blank-off plug actually threads in and out. I spoke with Lon at Flash Zebra and he is skeptical. I don't have a thread lock connector to test it with and don't want to buy one unless I'm sure that the camera will really accept it.

I'm thinking of rigging up an ORBIS flash ring adapter to my K20-D and an old Sunpak 422. I'd like to trigger this flash off my PC terminal in order to keep the camera's hot shoe available for use with a second flash...perhaps using the hot shoe flash as a bounce for key lighting and the ring flash as a fill.

12-28-2010, 10:13 AM - 1 Like   #2
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With a loupe and a light I count 2 threads below the top rim.
12-28-2010, 10:50 AM   #3
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Thanks!

Yeah, that's what I thought, too.

I'm just wondering if anyone actually threadded a connector and tested it.

Anybody?

Sig
12-28-2010, 11:43 AM   #4
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FWIW, it's threaded, but doesn't seem to accept a standard threaded PC socket (really stupid decision IMHO)-:
Tested w/ the K20D and cables that screw in fine into Nikon flashes...

12-30-2010, 08:58 AM   #5
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I was afraid of that

Thanks for checking this for me. I was afraid that it might be some kind of non-standard thread.

Onward to plan "B"...hot-shoe to hot-shoe cable.

Sig
12-30-2010, 09:10 AM   #6
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the PC socket does take a standard non-threaded PC connector. I've used it to fire a Metz 45 this way...
01-03-2011, 09:04 AM   #7
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Thanks to all respondents..

It appears that only a non-threaded PC connector will work. The threads on the terminal apparently have the sole function of holding on the dust cap.

Now I have to decided whether to use the PC (perhaps with a square of gaffer's tape) or to go hotshoe-to-hotshoe to fire the Orbis/Sunpak.

Sig
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