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12-10-2009, 10:20 AM   #1
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Older pentax lens with pentax k7

I'm not sure what I'm doing wrong. When I try older pentax lenses that used to work on my K10 (for example my 28mm macro, or the takumar 135mm) on my new K7 I get a flashing F-- sign and it won't let me take any pictures.

I set everything to manual, then power on the K7.

Any help is appreciated.

12-10-2009, 11:00 AM   #2
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Don't forget to enable the apreture ring in the settings. Also unless it has an "A" setting on the apreture ring and is set to the "A" setting the flashing F-- is normal.
12-10-2009, 11:36 AM   #3
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See the sticky thread at the top of the Beginner's forum for complete instructions on using manual lenses with a DSLR.
12-10-2009, 11:42 AM   #4
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QuoteOriginally posted by jamh Quote
I'm not sure what I'm doing wrong. When I try older pentax lenses that used to work on my K10 (for example my 28mm macro, or the takumar 135mm) on my new K7 I get a flashing F-- sign and it won't let me take any pictures.

I set everything to manual, then power on the K7.

Any help is appreciated.
Set the menu option in the camera to allow for use of lenses off the A position.

12-12-2009, 01:22 PM   #5
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Thank you all! That did it. I missed that (very easy to do, BTW).

I just love this camera! I added a pentax 50mm f1.4 lens and I'm very pleased with the pictures it produces.

Last edited by jamh; 12-12-2009 at 01:30 PM.
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