Canon EOS Digital Rebel XTi EF-S 18-55 Kit Instruction Manual download pdf (Page 90)

Introduction

Contents at

a Glance

Basic

Operation

Advanced

Operation

Advanced

Image Editing

and Printing

Editing JPEG

Images

Index

Processing

Large Numbers

of Images

Reference

Color space

A color space is the reproducible color range (color gamut

characteristics). DPP supports the following five kinds of color space.

sRGB : Standard color space for Windows. Widely used for the

standard color space of monitors, digital cameras, and

scanners.

Adobe RGB : A wider color space than sRGB. Mainly used for printing

for business purposes.

Apple RGB : Standard color space for Macintosh. A slightly wider color

space than sRGB.

ColorMatch RGB : A slightly wider color space than sRGB. Mainly

used for printing for business purposes.

Wide Gamut RGB : A wider color space than Adobe RGB.

Refer to the color chart below for the color area of each color space.

Color chart of color spaces compatible with DPP

Color range that can be

seen by the human eye.

Gamma

value

White point

(color temp.)

sRGB 2.2 6500K(D65)

Adobe RGB 2.2 6500K(D65)

Apple RGB 1.8 6500K(D65)

ColorMatch RGB 1.8 5000K(D50)

Wide Gamut RGB 2.2 5000K(D50)

CMYK simulation profiles

A CMYK simulation profile is a profile for simulating colors in a CMYK

environment on printers etc. With DPP, you can simulate color with four

types of profile.

Euro Standard : Profile normally used for book printing in

Europe, suitable for simulation of standard

European printing.

JMPA : Profile normally used for book printing, etc. in

Japan, suitable for simulation of magazine

advertising standard color printing.

U.S.Web Coated : Profile normally used for book printing in

North America, suitable for simulation of

North American standard printing.

JapanColor2001 type3 : Profile becoming a standard in the Japanese

printing industry, suitable for simulation of

JapanColor standard printing.

Rendering intent

Rendering intents are color conversion methods when printing an image.

The conversion method of each rendering intent is shown below.

Perceptual : Before and after conversion, all colors are

converted to maintain the relationship between

colors. Even where colors slightly change, you

can print a natural-looking image which has

maintained color harmony. However,

depending on the image, the saturation may

change overall.

Relative Colorimetric : There will not be much conversion to colors

which are similar before and after conversion,

but colors which are not similar are converted

appropriately. Because there are little changes

to similar colors which comprise most of an

image, you can print a natural-looking image in

which the degree of color has not changed

greatly. However, depending on the image,

there are cases where the overall tone of an

image changes somewhat as colors which are

not similar and highlights change.

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Canon EOS Digital Rebel XTi EF-S 18-55 Kit Instruction Manual Page 90

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