Scanning transparency (pos or neg)

flatbed scanners for Microtek

Phrans
Visitor
Posts: 4
Joined: Thu Jun 24, 2010 11:26 am
Scanner: Microtek Artixscan F1
SilverFast Product: Ai Studio
Location: Netherlands

Scanning transparency (pos or neg)

Postby Phrans » Fri Jul 02, 2010 1:06 pm

Microtek Artixscan F1:
Most often, when I scan tranparencies, I get better scanningresults (sharper, more colourful) using the glass plate instead of the transparency holders.
How is this possible? The scanner is calibrated using a transparency holder.

Of course... using the glass plate quite often causes Newton rings. Is there a way to avoid/get rid of them?

LSI_Morales
SilverFast Master
SilverFast Master
Posts: 1430
Joined: Mon Oct 22, 2007 9:33 am

Re: Scanning transparency (pos or neg)

Postby LSI_Morales » Mon Jul 05, 2010 11:23 am

Hi there,

Phrans wrote:when I scan tranparencies, I get better scanningresults (sharper, more colourful) using the glass plate instead of the transparency holders.
How is this possible

Film stripes are inherently curved, if you use a film holder without glass, this curve makes the focusing point difficult because scanners have a very shallow depth of field. Using A glass holder reduces the focusing problem.

Phrans wrote:Of course... using the glass plate quite often causes Newton rings. Is there a way to avoid/get rid of them?


Right! The best way to reduce Newton rings is by wet mounting the film.

Cheers
Alejandro Morales

LaserSoft Imaging
Media manager, Software testing


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