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02-28-2013, 11:22 PM   #1
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Help to Repair Pentax-M 75-150mm

Hello Guys,

I need help opening my pentax-M zoom 75-150mm , she is full of fungus and the front does not know how to open, if it is threaded, it has some hidden screw or some special technique or tool to access the first elements without having to disassemble the entire engine focus.

I appreciate any help.

The lens is equal to this

Thank you, best Regards

Andre Matos from Brazil , sorry bad english

03-03-2013, 01:15 AM   #2
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Original Poster

thanks for any help.


05-28-2013, 10:37 AM   #3
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Join Date: Apr 2013
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Were you successful in disassembling the lens?

Mine is badly dirty, with mold in all its elements.

I will try to do the cleaning and I'm looking for instructions or some photos to guide me. Do you have any?

A guy in the thread seems to have been successful. I tried to talk with him via the thread but had no answers.

Thank you.

Abrašo de Floripa/SC.
05-29-2013, 01:05 PM   #4
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Location: Finland, Kotka
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And welcome to forum!

I didnt remove any glas elements in my project. But I can PM those photos for U both later this week.
And give some tips too.
I hope that I can somehow help U.


05-29-2013, 01:16 PM   #5
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Thank you very much LeGuillotine!

Even without removal of any glass elements, your experience might give us some insight to start.

Take the time you need. No hurry.

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