I don't know anything about your scanner but when I looked at your
blurred image my first thought was mis-focus, not mechanically caused
blurring. I'm not sure I can tell the difference but if you consider
both situations it may assist with the analysis of the cause.
Chuck Norcutt
Mike Bloor wrote:
> Can anyone help with a problem with my Nikon LS30 scanner ?
>
> I used the scanner yesterday for the first time in about six
> months. I had been waiting until I found time to clean the mirror,
> which I thought was affecting the quality of scans. Because of
> difficulty with one jammed screw, the only disassembly I did was to
> take off the side and front covers. I then cleaned the dust off the
> mirror using moistened lens tissues.
>
> I also - and this may have been a mistake - wiped some dust off the
> two steel rails on which the mirror/lens assembly runs. In doing so
> I wonder if I have removed lubricant.
>
> On using the scanner again, all but four of the frames in the first
> film were blurred. The effect is similar to camera shake. I then
> tried repeated scans of one frame, which certainly did not look
> blurred to the naked eye. I used both the SR20 motorised film strip
> holder and the FH2 film strip holder, in case the motorised version
> that I had started with was causing problems. There was no difference there.
>
> What did make a difference was whether I used the scanner vertically
> or horizontally. In the past I have always used it
> vertically. Having learnt the difference it can make to the amount
> of dust collecting on the mirror, I decided to use it horizontally
> from now on. In my tests, used horizontally, the scans were almost
> always blurred. Used vertically, they are blurred about 60% of the time.
>
> You can see examples at http://www.vyuze.com/v/blurred.jpg and
> http://www.vyuze.com/v/ok.jpg
>
> Any suggestions on where to go from here would be gratefully received.
>
> OM connection - shot was taken with am OM4 and 100/2.8.
>
>
> Mike Bloor
>
>
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