hello! can i dismantle the focus ring only? i have noticed the focus eyeball have tiny particles appeared like a noise. i think its moisture. i just want to clean up the eyeball to bring back to its normal clear and clean glass eyeball without any noise could obstruct my vision through the viewfinder. thank you.
May be at this time you have solved the problem but to other people with the same question I have to say that unfortunately you have to dismantle the complete lens. If you have some practice its not that hard. I recommend to watch the assembly video to have an extra help.
