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Re: filmscanners: Scanwit: Seeing through mount?



Frank, your "small snip" must have been too big--it didn't come through. Try 
getting it under 100kb (half that would be better).

Re putting neutral density filter over the Scanwit's calibration slot to 
"fool" it into higher exposure, yes it's possible and I've done it. Cranking 
up your camera exposure (setting the ASA a half-click lower) is actually a 
better option. The color density isn't as good, nor are projected slides, 
but it's *way* better for scanning. :-)

Best regards--LRA


>From: "Frank Nichols" <frank@theNichols.net>
>Reply-To: filmscanners@halftone.co.uk
>To: "Filmscanners@Halftone. Co. Uk" <filmscanners@halftone.co.uk>
>Subject: filmscanners: Scanwit: Seeing through mount?
>Date: Fri, 13 Jul 2001 16:46:01 -0600
>
>I have attached a small snip from a slide I just got back from the
>processors. The image is a failure, but I was looking into the dark areas
>for signs of the noise (yellow stain) we have discuss here before. What I
>found surprised me, it appears the scanner can see though the slide mount!
>
>The film is Fugi Provia 100F and the mounts are a white plastic (Pakon is
>embossed on them). (side note - my wife is in trouble, I have fallen in 
>love
>again, this time with a film the Provia scans are incredible!)
>
>The snip shows a bottom corner of the slide as scanned and then a section 
>of
>that lightened using the levels tool. You can see detail through the mount.
>You an also see the lines/stripes/whatever you call them in the green and
>blue channels. You can also see a heavy magenta cast to the lightened
>shadows, I guess the green channel is not as sensitive in low light
>situations.
>
>Anyway, take a look and let me know what you think. It appears to me that 
>it
>might be possible to put a neutral density filter over a slide or negative
>to "fool" the autoexposure system and increase the detail in low levels 
>even
>more... or am I misunderstanding what I am seeing?
>
>TIA
>
>/fn
><< mount.jpg >>

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