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11-11-2011, 03:56 PM   #1
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M and K lenses, how to use them on the K5?

I have two Pentax Kx and one K5. I use many manual M, K, and Supertak lenses in my Kxs. I stop down with the green button, or the +/- button and every thing has been fine with my Kx. The Supertaks are used in Av mode with no problem. However, I would like to know how to use the M and K lenses on the K5. Is there a green button (that can be assigned a function?, I can see a green button, but do not know what to do with it. I have not found info on the manual. I appreciate your input. Thanks, Pepe.

11-11-2011, 04:11 PM   #2
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Same as on your K-x:
https://www.pentaxforums.com/forums/pentax-lens-articles/110657-how-use-meter...k-x-k-7-a.html

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11-11-2011, 06:27 PM   #3
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I thought I read someplace that the K-5 had some sort of "improved funtionality" (whatever that means) with non-A lenses, but I've not been able to find info on that anywhere. Does anyone else remember seeing that, and maybe know what it meant, or was I just hallucinating?
11-11-2011, 10:16 PM   #4
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The default behaviour of the green button in M mode is to set a 'correct' shutterspeed for the aperture that you selected on the lens taking ISO into account. It closes the aperture and measures after which the shutterspeed is set.

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