Canon EOS Digital Rebel Buku Putih - Halaman 13

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New, Highly-Legible

2.5-inch TFT LCD

Color Screen

New Display-off sensor

in lenses such as the EF 400mm f/2.8L IS USM or the EF 600mm f/4L IS USM. All over

the world, photographers depend on Canon IS to help them achieve the highest possi-

ble image quality.

At some point, in-body stabilization may improve to the point at which such technology

may be appropriate for certain segments of Canon's DSLR range. It would be senseless

to rule out such a possibility. Even now, differences in unit cost are not enough to be

significant factors in such a decision. The bottom line is performance.

A 2.5-in., 230,000-pixel, color TFT LCD

screen with a wide, 160° viewing angle is

a welcome new feature of the Digital Rebel

XTi. Compared to the Digital Rebel XT's

1.8-in. LCD screen, the display area is

about twice as large. Also, to improve the

menu's readability, the font size has been

greatly increased. The LCD screen illumination is provided by three LED backlight mod-

ules and the brightness adjustment range has been expanded by one level at both the

minimum and maximum levels to a total of 7 steps. During brightness adjustment, a

handy and elegant grey scale is displayed along with the image.

Thanks to a highly transparent LCD screen and a brilliant LED module, screen brightness

is about 40% higher than the maximum brightness of the screens found on the EOS-1D

Mark II N, EOS 5D, and 30D. This makes it easier to review images even in bright outdoor

conditions. At the darkest setting, the display is not uncom-

fortably bright, even in a dark place. The maximum bright-

ness setting changes the gamma characteristic of the

display to increase the midtones, making the

image look somewhat overexposed, and high-

light detail tends to be lost. Therefore, it is

important that when checking an image's

exposure and colors, the brightness level be

set to one of the middle five levels. Because

the Digital Rebel XTi displays the camera set-

tings at all times, users are recommended to set

the screen brightness to a suitable level which

would not be too bright in the dark.

When you put your eye on the eyepiece, a new display-off sensor (located below the

eyepiece) senses your face and turns off the LCD screen automatically. This is to save

battery power and prevent the screen's brightness from disturbing your eye while look-

ing through the viewfinder. The display-off sensor consists of an IRED emitter and light-

receiving sensor. When the IRED light reflecting off the face is detected by the light-

receiving sensor, the LCD screen turns off automatically. This display-off sensor can be

III. FEATURE DISCUSSION

Horizontal viewing angle

Vertical

viewing

angle

Digital Rebel XTi

Digital Rebel XT

2.5" LCD Screen