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Old February 11th 11, 04:50 AM posted to rec.photo.equipment.large-format
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Default Lens Cell Cleaning

On 2/10/2011 10:14 PM, David Nebenzahl wrote:
On 2/10/2011 4:54 PM Cheesehead spake thus:

On Feb 10, 4:53 pm, David Nebenzahl wrote:

It's not clear you've tried to remove and clean the rear cell; have
you? If not, you should. What've you got to lose? If in fact the
cement is clouded (which I think is probably unlikely), you've got
to replace the thing anyhow (or have it recemented), so why not
just pull it out and clean it? It ain't rocket surgery, you know.


I have, of course, unscrewed the cell from the shutter and observed
that the fogging is inside the rear cell.


Well, did you try to clean the outer surfaces? Sorry, not clear from
your postings.



I'm confused on his post as well. It's a triplet and as such the rear
"cell" would be a single element. I suppose the glass itself -could- be
bad and have fogging inside the single element itself? Or the coating is
screwed up?

Stephey