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02-06-2015, 06:01 PM   #1
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F- - message on my K-50

I was swapping out lenses this afternoon and all of a sudden, the aperture flashes "F- -" and the camera doesn't want to shoot anymore....

WTH?

So, I put the other lens back on the camera - sure enough, it's not the camera but my Sigma 70-300 that is causing the issue...

thanks to this thread:

https://www.pentaxforums.com/forums/172-pentax-k-3/272149-error-f-message-new-tamron-lens.html

I found out that there is a tiny aperture-ring on the Sigma lens and it's touchy.....



and I am reminded, once again, that these forums are near-priceless.....

02-06-2015, 06:06 PM   #2
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1st clean the contacts in your lens mount and see if it makes a difference
02-06-2015, 06:08 PM   #3
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QuoteOriginally posted by sergysergy Quote
1st clean the contacts in your lens mount and see if it makes a difference

funny thing - that was the FIRST thing I did when I determined it was a specific lens and not the K-50 causing the issue....
02-06-2015, 06:17 PM   #4
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Does the Sigma have a ring to select the aperture with an A setting?

02-06-2015, 06:18 PM   #5
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QuoteOriginally posted by sergysergy Quote
Does the Sigma have a ring to select the aperture with an A setting?
it does - and that's what I missed.... resetting the aperture ring to 'A' solved the issue....
02-06-2015, 06:19 PM   #6
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Ok, there we go

if you have it on anything but A you will see F-- again

---------- Post added 02-06-15 at 06:20 PM ----------

I just re-read the original post and realized you found the solution already...haha
02-06-2015, 06:28 PM   #7
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QuoteOriginally posted by sergysergy Quote
Ok, there we go

if you have it on anything but A you will see F-- again

---------- Post added 02-06-15 at 06:20 PM ----------

I just re-read the original post and realized you found the solution already...haha
no sweat - it'll help the next person along....

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