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08-28-2010, 06:54 AM   #1
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pins to tape

I have a Sigma lens and i want to tape off a pin if possible so the camera does not reconize the lens. So i can set the focal length myself in the menu.
Do any of you guys know which pin to tape for this?

08-28-2010, 03:35 PM   #2
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The uppermost pin is the one you'll want to tape. Refer to the KAF2 photo here: https://www.pentaxforums.com/forums/pentax-lens-articles/87589-photos-k-m42-m...ax-mounts.html

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08-28-2010, 08:55 PM   #3
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May I ask, why do you not want the camera to recognize the lens?
08-28-2010, 08:57 PM   #4
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QuoteOriginally posted by Kryosphinx Quote
May I ask, why do you not want the camera to recognize the lens?
Seconded

is this to use the back door manual control in the Kx's video mode?

08-29-2010, 04:57 AM   #5
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It is the 7th pin but this pin also conveys af data so af won't work
08-29-2010, 08:14 AM   #6
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If AF wont work then i will not try it. I wanted to use it because i wanted to use a dumb teleconverter on a lens. With the lens alone i get very good results when i add the teleconverter not so good at all. I was hoping if i set the focal length properly it would help. For shake reduction.
Thanks
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