Epson 2400 - Perfection Photo - Dpi x Manual - Page 7

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Image Quality—Dual Lens System

A unique Dual Lens System, available on some Epson

scanners, automatically selects from two lenses for

the desired scan resolution.

High Resolution lens

Some Epson Perfection scanners

offers 4800 dpi optical resolution

with the High Resolution lens.

Super Resolution lens

For a higher resolution of 6400 dpi,

the Super Resolution Lens can scan

slides and ﬁlm with the bundled ﬁlm

holders with a scanning width of 5.9

inches.

Image Quality—High-Pass Optics

Epson High Pass Optics includes anti-reﬂection optical coatings and a high reﬂection mirror.

There is typically a small percentage of unwanted reﬂection with standard CCD glass which can



cause abnormal ghost images. The anti-reﬂection optical coating on the CCD cover glass minimizes

this reﬂection and reduces ghost images.

With a higher reﬂection rate, ﬁlm scanning speed is faster.



Ghost image

Scanner Technical Brief—Page 7

Scanned with normal CCD glass

Dual Lens System offers

two lenses for two

different resolutions.

Document (8.5")

Film Area Guide (8")

Film Holder (5.9")

Improved

image quality

High resolution lens

Super resolution lens

Scanned with anti-reﬂection

optical coating

6/07