Here's the NA link to the scanner page:
http://www.epson.com/cgi-bin/Store/ProductCategory.jsp?BV_UseBVCookie=yes&oid=-8172
Here are excerpts from the Specification pages for both scanners:
V500
Scanner Type
* Flatbed color image scanner
Photoelectric Device
* Epson MatrixCCD® 12-line, color sensor
Optical Resolution
* 6400 dpi (max)
Note: Optical resolution is the maximum scan resolution of the CCD elements, using the definition of ISO 14473
Hardware Resolution
* 6400 x 9600 dpi
Maximum Resolution
* 12,800 x 12,800 dpi
Effective Pixels
* 54,400 x 74,880 (6400 dpi)
Color Hardware Bit Depth
* 48-bit internal/external
Grayscale Hardware Bit Depth
* 16-bit internal/external
Optical Density
* 3.4 Dmax
Transparency Unit
* 35mm Transparency Adapter
* 12 negatives/4 slides
* medium-format film (6 x 12 cm)
Buttons
* 4 buttons: Scan, E-mail, Copy and PDF
Maximum Read Area
* 8.5" x 11.7"
Light Source
* ReadyScan LED technology
Interface
* Hi-Speed USB 2.0/1.1
Scanning Speed
* 4800 dpi High-speed Mode
o Monochrome:
16.98 msec/line
Full color:
16.98 msec/line
Reliability
* MCBF — 36,000 cycles
4490
Specifications
Scanner Type
* Flatbed color image scanner with Digital ICE™ Technology for Film
Photoelectric Device
* Color Epson MatrixCCD™ line sensor
Optical Resolution
* 4800 dpi
Hardware Resolution
* 4800 x 9600 dpi with Micro Step Drive™ technology
Maximum Resolution
* 12,800 x 12,800 dpi with software interpolation
Effective Pixels
* 40,800 x 56,160 (4800 dpi)
Color Hardware Bit Depth
* 48-bits per pixel internal, 48-bits per pixel external (External bit depth is selectable to 48 bits depending on the image editing software.)
Grayscale Hardware Bit Depth
* 16-bits per pixel internal, 16-bits per pixel external (External bit depth is selectable to 16 bits depending on the image editing software.)
Optical Density
* 3.4 Dmax
Transparency Unit
* 2.7" x 9.3" Transparency Adapter built-in lid, 12 35mm negative, 4 35mm slide, 1 2-1/4", 6x12cm or 120/220mm (medium format) capacity
Optional Equipment
* 30-page Automatic Document Feeder
Buttons
* 4 buttons; Scan, Copy, E-mail, PDF
Maximum Read Area
* 8.5" x 11.7" (21.6cm x 29.7cm)
Light Source
* White cold cathode fluorescent lamp
Interface
* Hi-Speed USB 2.0
Scanning Speed
* 4800 dpi high-speed mode: Monochrome 16.96 msec/line; Full color 16.96 msec/line
Reliability
* MCBF - 36,000 cycles
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