Canon CanoScan FS2700F User Manual - Page 31

Determining the Image Format, Bit Color, Bit Grayscale, Black and White

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Step 2 • Scanning Determining the Image Format The following five image types are available. Select the one best suited to the film type and the intended use of the image. 24-Bit Color: The image is expressed in 256 colors (8 bits) per RGB channel. Select this setting to scan standard color films. 36-Bit Color: (FS 2710 only) The image is expressed in 4096 colors (12 bits) per RGB channel. Select this setting for color films that require particularly high definition. 8-Bit Grayscale: The image is expressed in 256 tones (black, white and 254 gray shades). Select this setting for black and white films or when monochrome images are required from color films. 12-Bit Grayscale: The image is expressed in 4096 tones (black, (FS 2710 only) white and 4094 gray shades). Select this setting when particularly high definition grayscale images are required. Black and White: Images are expressed in two colors only, black and white. The threshold value determines the brightness value at which a particular pixel is set to black or white. • Attempting to scan images in the 12-bit grayscale or 36-bit color scanning modes in application programs not compatible with these modes may cause the programs to "hang." Before attempting these modes, please confirm that your application program is compatible. Photoshop 4.0 and later versions are compatible (Photoshop LE is also compatible). • Images scanned in 36-bit color with versions of Photoshop compatible with 36-bit color become 16-bit channel mode images. • The 12-bit grayscale and 36-bit color scanning modes are not available when CanoCraft FS 3.6 is used as a stand-alone application or when the CanoScan 2700F film scanner is used. • The 24-bit color and 36-bit color scanning modes are not available when the film type is set to monochrome. 31

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Step 2 • Scanning
(FS 2710 only)
(FS 2710 only)
Determining the Image Format
The following five image types are available. Select the one best suited to the film
type and the intended use of the image.
24-Bit Color:
The image is expressed in 256 colors (8 bits) per RGB channel.
Select this setting to scan standard color films.
36-Bit Color:
The image is expressed in 4096 colors (12 bits) per RGB channel.
Select this setting for color films that require particularly high
definition.
8-Bit Grayscale:
The image is expressed in 256 tones (black, white and 254 gray
shades). Select this setting for black and white films or when
monochrome images are required from color films.
12-Bit Grayscale:
The image is expressed in 4096 tones (black,
white and 4094 gray shades). Select this setting
when particularly high definition grayscale
images are required.
Black and White:
Images are expressed in two colors only, black
and white. The threshold value determines the
brightness value at which a particular pixel is set
to black or white.
•
Attempting to scan images in the 12-bit grayscale or 36-bit color scanning
modes in application programs not compatible with these modes may cause
the programs to “hang.” Before attempting these modes, please confirm
that your application program is compatible. Photoshop 4.0 and later
versions are compatible (Photoshop LE is also compatible).
•
Images scanned in 36-bit color with versions of Photoshop compatible with
36-bit color become 16-bit channel mode images.
•
The 12-bit grayscale and 36-bit color scanning modes are not available
when CanoCraft FS 3.6 is used as a stand-alone application or when the
CanoScan 2700F film scanner is used.
•
The 24-bit color and 36-bit color scanning modes are not available when the
film type is set to monochrome.