Pentax DA 70mm Limited - Possible oily residue inside lens?

Started 4 months ago | Questions thread
OP Wahid Khan 1961 Forum Member • Posts: 59
Re: Pentax DA 70mm Limited - Possible oily residue inside lens?

resistingLBA wrote:

Mine has oil as well on the aperture blades, thus tends to be slow to close it. I couldn't clean it completely, although opening it several times.

I've opened and repaired a few lenses in the past, so not daunted by such a task if doable. Never attempted a repair, or needed to, on a 'premium' lens though. I'm happy to attempt a clean-up myself if you can help with a link to open up the lens and get access to the the element in question.

Thanks.

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