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08-18-2007, 02:53 PM   #1
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photoguy2380's Avatar

Join Date: Jun 2007
Location: Oregon
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Cosina lenses

I have 3 Cosina lenses that I'm using on my K110D. I cannot get most functions to work, (mainly I think because they are manual lenses). The
Pentax Kit lens that came on my K1000 works perfecly. I would like to be
able to retrive some of the functions availible with the kit lens to be used
with the Consina lenses. I noticed that there is pin (spring loaded) on the
base of the kit lens that is NOT on the cosina lenses. I think this may be
related to the inop portion of the Cosina lens. Anyone have any ideas as
how to retrive the missing operations with these lenses?

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08-18-2007, 04:26 PM   #2
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Mike Cash's Avatar

Join Date: Jan 2007
Location: Japan
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In the menu, under "Custom Setting", do you have "Using aperture ring" set to "2"?

Also, are you switching the AF/MF switch to "MF"

Do the Cosina lenses have an "A" on the aperture ring? (Important question)

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