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Cleaning viewfinder - D90


New York City Area, US
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ZeeKay Registered since 20th Mar 2010
Tue 20-Jul-10 01:32 AM

Hello Nikonians,

Lately I have noticed some dark spots when I look through my viewfinder. These are probably dust particles. I tried to narrow down where they were and it appears that they are somewhere on the prism of the viewfinder.

Here is how I narrowed down by using process of elimination:
- Took out lens and cleaned it, spots where still there like before.
- Put on another lens which is barely used, I still see the spots exactly like before.
- The spots do not appear in the pictures, so the sensor is fine.

When I took out the lens and brushed a little on the prism, the spots moved but they are still there.

Can you please advise whats the best way to clean them. I don't want to mess around with the optical pieces without knowing what I am doing.

I have Nikon lens pen and a Nikon microfiber cloth. What do I need to get it cleaned?


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