The LV-7490, Canon's First 4000 lumen,
XGA, portable LCD projector
Image quality. The LV-7490 creates a bright, clear image that is sharp throughout. Brightness uniformity measures approximately 80%. In High Contrast and Cinema modes, color is accurate, with good saturation that makes movies, photographs, and other graphics look realistic. In the projector's lower lumen image modes, black level and shadow detail are acceptable for movie and video display. Meanwhile, its brighter modes favor maximum light output at the expense of lighter black levels and muddier shadow detail. The projector has a native resolution of XGA (1024x768). Visible pixelation can appear as a fine grid if standing too close to the screen. Moving to a distance of 1.1 times the screen's width is enough to eliminate this effect.
Practical applications. The LV-7490's different image modes can handle these different types of content. Presentation mode is best suited for text documents and financial spreadsheets since it maximizes brightness at the expense of color accuracy and shadow detail. Standard mode is best for PowerPoint presentations as brightness is still high, while color accuracy is better than in Presentation mode. For photographs and movies, High Contrast and Cinema modes are acceptable, with High Contrast being more neutral than Cinema's warm color temperature.
Keystone. Due to the LV-7490's fixed throw angle offset, keystone correction may be necessary. When making keystone adjustments, image quality does not degrade: text is easy to read and there are no artifacts such as warping. Auto keystone is accurate. In repeated tests, auto keystone adjustments matched our manual keystone adjustments.
Easy to Use. Upon start up, the projector detects the correct port and appropriate signal resolution then displays the image near instantaneously,in less than three seconds. The menu interface is simple and intuitive. While there are many different options, the LV-7490 makes it easy to find what you need without hunting. Similarly, the remote is neither too complicated nor unnecessarily spartan. Compact, yet big enough to hold securely, the remote has just enough proportionately sized buttons to do exactly what is needed. Ultimately, those unacquainted with this particular projector will still be able to use it with minimal orientation time.
|Review Contents:||Intro and Best Uses||Advantages||Limitations and Conclusion|
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