Quel scanner choisir parmi ceux 2 sachant ceci :
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ASTRA Umax 1200 S
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Type Color Flatbed
Method Single-pass, 30-bit color with BET
Element Color CCD
Light Source Cold Cathode Lamp
Hardware Resolution 600 dpi x 1200 dpi
Maximum Interpolated Resolution 9600 dpi x 9600 dpi
Maximum Scan Size 8.5" x 14"
Document Size Legal, Letter, A4, A5, B5, Business Cards
I/O Buffer 512K
Scan Modes 30-bit color 10-bit gray scale 1-bit halftone 1-bit line art
Hardware Interface SCSI-2
Power Consumption 25 Watts
Voltage 100-240VAC
Frequency 50/60Hz
Dimensions 21.1" x 12.9" x 4.1"
Net Weight 12.8 lbs.
System Support Macintosh Windows 3.1 Windows 95 Windows 98 *Windows NT compatibility through the driver
Transparency Adapter OPTIONAL
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HP Scanjet 4c
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Scanner Type
Flatbed, color and monochrome
Image Processing Options
Dithering, thresholding, gamma adjustment, mirroring, data inversion, filtering, color correction, scaling, interpolation
Scanning Modes
1-bit (black and white)
4-bit (16 grayscale levels)
8-bit (256 grayscale levels)
10-bit internal (1024 grayscale levels) automatically mapped to optimal 8-bit
24-bit (16.7 million colors)
30-bit internal automatically mapped to optimal 24-bit
Resolution
2400 dpi enhanced resolution
600 dpi optical
Selectable Resolution
12 to 2250 dpi at 100% scaling
HP AccuPage Technology
Automatic page optimization for OCR, document management, and PC fax applications version 2.0 for PC, v 1.0 for Macintosh
Scanning Speeds
Preview: 4 seconds
200 dpi, grayscale, letter size: 3.3 seconds
300 dpi, black and white, letter size: 7.5 seconds
600 dpi, color, letter size: 30 seconds
Scaling
2 to 400% in 1% increments at 600-dpi (depends on resolution)
Color
24-bit (16.7 million colors) external; 30-bit (1 billion colors) internal
Grayscale
4-bit (16 grayscale levels) external
8-bit (256 grayscale levels) external
10-bit (1024 grayscale levels) internal
Maximum Document Size
8.5 by 14 inches (215 x 356 mm)
Scanning Element
Charged-coupled device
Light Source
Single fluorescent lamp
Interface
SCSI-2
ADF
Yes, 50 pages
Comment départager ces deux scanners , lequel choisir ?
