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ViewSonic A90F+ PerfectFlat 19" CRT Monitor

ViewSonic A90F+ PerfectFlat 19" CRT Monitor

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Rating: 1 stars
Summary: Buyer beware
Review: We bought 3 of these monitors. Got the first one and love the screen. Very bright and clear. Less than a year later one screen is so badly blurred in the center it's unusable. Another is showing occasional distortions and sometimes it will spontaneously change the screen size. That second one can't be used in higher refresh modes and is barely running in non-interlaced mode. We are using top line equipment in our computers and don't over push it by keeping the horizontal scan rate well within specs at or under 80kHz.

For those who don't know, horizontal scan rate in kHz is the important spec when looking at a monitor. Vertical refresh rate is bogus. All decent monitors will vertical refresh up to 85Hz at minimum. But only good monitors will horizontally scan at 80kHz and above. The horizontal scan determines the speed of response and the overall quality of the screen. So a monitor that will give you at least 80kHz horizontal scans is the only way to go. The faster it is capable of horizontal scans normally the better the monitor's performance.

Both our defective monitors show the horizontal scan as locked at 70kHz no matter what we set the vertical refresh rate at. A clear sign of a problem in the controller section of the monitor. The blurring on the first one is probably a defective gun.

ViewSonic has given us the royal run around and so we are now forced to shop and spend the money for new monitors. ViewSonics customer support and their warranty is worthless. We strongly suggest anyone purchasing a ViewSonic product do so locally from a reputable retailer who will offer their own warranty and normally will simply swap out the unit if they verify inhouse the problem is legitimate.

Rating: 1 stars
Summary: Buyer beware
Review: We bought 3 of these monitors. Got the first one and love the screen. Very bright and clear. Less than a year later one screen is so badly blurred in the center it's unusable. Another is showing occasional distortions and sometimes it will spontaneously change the screen size. That second one can't be used in higher refresh modes and is barely running in non-interlaced mode. We are using top line equipment in our computers and don't over push it by keeping the horizontal scan rate well within specs at or under 80kHz.

For those who don't know, horizontal scan rate in kHz is the important spec when looking at a monitor. Vertical refresh rate is bogus. All decent monitors will vertical refresh up to 85Hz at minimum. But only good monitors will horizontally scan at 80kHz and above. The horizontal scan determines the speed of response and the overall quality of the screen. So a monitor that will give you at least 80kHz horizontal scans is the only way to go. The faster it is capable of horizontal scans normally the better the monitor's performance.

Both our defective monitors show the horizontal scan as locked at 70kHz no matter what we set the vertical refresh rate at. A clear sign of a problem in the controller section of the monitor. The blurring on the first one is probably a defective gun.

ViewSonic has given us the royal run around and so we are now forced to shop and spend the money for new monitors. ViewSonics customer support and their warranty is worthless. We strongly suggest anyone purchasing a ViewSonic product do so locally from a reputable retailer who will offer their own warranty and normally will simply swap out the unit if they verify inhouse the problem is legitimate.

Rating: 5 stars
Summary: 9 months and going strong
Review: Well I have not had any problems like the other reviewers have had for this monitor. I picked mine up at BestBuy for $199 and think it is a great monitor. If I wanted an LCD to match this performance then I would have to spend at least 3x as much. This monitor works great for gaming with its UltraBrite mode. I upgraded from an 17" monitor and this just feels huge.


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