stiff aperture ring

[santino]

Hi!

I've got a couple of J8's that have gotten a stiff aperture ring. They worked fine for many years but I haven't used them much so I guess that is why they've got stiff. Any ideas, how to solve this?

thank you!

 

[MV72]

Try this link for well illustrated, step by step dismantling of the various types of Jup-8.

http://pentax-manuals.com/repairs/j8service.pdf

Good luck.

Marc

 

[santino]

thanks a lot!