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05-02-2009, 02:13 AM   #1
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Russell W. Barnes's Avatar

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Traditional KA Lens on K100D - Issues?

Am I correct in thinking that I can use my Pentax SMC f2.8 135mm KA lens on my K100D in program, aperture-priority and shutter priority modes (as well as manual, of course) without problems, and by using the aperture and shutter settings as displayed on the LCD panel?

I've tried several shots at different settings and they've all appeared to work satisfactorily, but I was wondered if there was anything else I should know?

I've had the lens for twenty-odd years, and never used the 'A' setting, having only had a Pentax MX to attach it to. Time for a new lease of life in the digital age!

05-02-2009, 04:20 AM   #2
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You should be able to use the in-camera aperture controls so long the aperture ring is in the "A" setting.

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