Another of my projectors arrived this week. A Noris 322. It needs a bit of TLC but got it to aid my diagnostic of the 422 sound board.
Anyway, far too involving for a five minute look-see was the sound board but the lens was a different matter.
A quick twist here and a quick twist there and the front element was out and cleaned.
At this point I must say the when I say cleaned I mean "good enough for me at the mo" and not properly serviced clean.
very easy to get apart with the rubber cups. Didn't go through every element just the front glass and those accessible in the barrel.
At least this evening has been productive.

The before:

Click image for larger version

Name:	Screenshot_2021-10-15-20-10-54~2.png
Views:	137
Size:	715.4 KB
ID:	44461
The after:
Click image for larger version

Name:	20211015_200946.jpg
Views:	150
Size:	147.8 KB
ID:	44463
👍
Attached Files