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Should I stay with Pentax?

Started 5 months ago | Discussions thread
OpticsEngineer Veteran Member • Posts: 7,839
don’t make that mistake with PLM

the PLM lenses do not work properly with older model Pentax cameras like the K3 and K5.   when the 55-300 PLM came out i got a K70 to use with it. i think the KP also works okay.  If my memory serves me correctly the K3ii did not work with PLM initially because of lack of internal memory space in the firmware but with a clever rewrite of firmware they were able to free up enough space to add the extra code for PLM so with a firmware upgrade you can download from the Pentax website you can get a K3ii to work.   Other than that i can share I really like my 55-300 PLM.

Again if i remember correctly the issue is the older camera s can’t control the aperture. you just shoot wide open all the time.

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