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  Dell UltraSharp 24" Widescreen LCD Monitor - 2405FPW Review
  By Andy

  Front > Hardware
  Back to Page 2    Images    



Screen Dimensions

24 Inches Diagonal


20.4 Inches Horizontal

12.7 Inches Vertical

Pixel Pitch
(Width of one pixel)

0.270 mm

Response Time

(LCD monitors, unfortunately still suffer from a few disadvantages when compared with older CRT technology.  LCD monitors cannot refresh in a perfectly uniform manner.  This means that in, say, a video game that involves a bright strobe light, pixels across the screen will update at slightly different speeds, resulting in visible artifacts.  It also means that in scenes in a movie or video game that features rapid motion, artifacts can appear.  A lower response time is preferable in these situations, however, there is some debate among manufacturers as to how best to measure this.  In addition, manufacturers tend to be optimistic with these numbers.)

12 ms Typical Grey-to-Grey

16 ms Black to White

Viewing Angle

(If you are sitting directly in front of a monitor, the viewing angle is 0 degrees.  If you are sitting to the left such that a line from your eyes to the center of the panel forms a 30 degree angle, then you are sitting off-axis by 30 degrees.  With LCDs, the farther off-center your viewing angle is, the lower the contrast.  In some panels, color balance can also be affected.  This is important in situations where more than one person is viewing the panel.  The viewing angle is supposed to measure the maximum angle at which you can sit without significantly distorting the image.  Unfortunately LCD manufacturers tend to be a bit too optimistic with these numbers and they are typically more like 45 degrees or less.)

89 Degrees Vertical

89 Degrees Horizontal

Faceplate coating

(There is some debate in the monitor industry about the antiglare coating on most LCD panels.  Sony sells panels branded as XBRITE™ which are actually just regular panels minus the antiglare coating.  Although the coating minimizes glare from medium-brightness point light sources (such as room lights), it also interferes with the light coming out of the panel.  XBRITE™ panels suffer from glare but also appear to have a brilliant, translucent quality to their images.  Unfortunately, Sony does not sell an XBRITE-branded 23” panel as of this writing.)

Antiglare with hard-coating 3H

Contrast ratio

(Contrast ratio refers to the difference in brightness between the lightest white and the darkest black the monitor can output.  Although LCD monitors have improved their contrast ratios over the past few years, they are still not able to reproduce a perfect black.  In a dark room, with the monitor outputting a black rectangle, you can make out the monitor clearly, since it is actually outputting dark gray.  This is something all LCD panels suffer from, however, and 1000:1 is acceptable.  It is also important to note that monitor manufacturers are typically optimistic with this number as well.)

1000:1 Typical


(The average brightness output of the monitor.  Most modern desktop monitors have a maximum brightness higher than necessary, so this is not typically an important factor in buying a monitor important.)

500 cd/m Typical




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