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01-28-2015, 08:02 PM   #1
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Pentax Flash compatability with Nikon

Hello,
I have a Pentax AF28OT Flash that I want to use on a Nikon D-3100 hot shoe. I will be using manual mode. Any information or tips will be appreciated. enjoy pjc


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01-28-2015, 09:20 PM   #2
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Should work no issues. It will be all manual and full power only unless you change the power settings on the flash.
01-28-2015, 11:35 PM   #3
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QuoteOriginally posted by jatrax Quote
Should work no issues. It will be all manual and full power only unless you change the power settings on the flash.
Thank you jatrax I was pretty sure it was okay but a second opinion is always good. enjoy pjc
01-29-2015, 07:49 AM   #4
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No, It probably will not work and may freeze the camera temporarily. Nikon uses iTTL, a serial digital communication protocol with the flash, and it uses the pins on the flash differently than before.

In particular they put data on the former SP pin, the one closest to the front of the camera. Strobes usually pull that up when a strobe is present, colliding with the data on the pin from the camera. This confuses the camera.
The easy fix is to tape over all the pins except the center trigger pin. It will work manual then.

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