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Performance
4.5
Features
Ease of Use
Value
Intended Use:
Education
Hitachi CP-X2510 Projector Hitachi CP-X2510
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2000:1 Contrast Ratio
2600 Lumens
Street Price: n/a

Hitachi CP-X2510 Classroom Projector

Jeff Janas, October 22, 2009

At 7.9 lbs, the Hitachi CP-X2510 semi-portable XGA 3LCD projector is equally appropriate for conference rooms or the classroom. It offers a unique combination of features for both basic and advanced users. The CP-X2510 has an Active-Iris that allows it to produce bright and punchy images with excellent edge-to-edge sharpness. It has a street price around $700, sports a 6,000-hour eco-mode lamp, and a filter design that only requires maintenance every 5,000 hours. It is a snap to setup thanks to quick release adjustment feet, auto-input search and auto-keystone function. The CP-X2510 lacks a digital input and network capability, and has a relatively large case size. But it nicely balances performance and value and is well worth consideration for office, classroom, or any presentation use where light weight or extreme portability are not of greatest concern.

Advantages

Active-Iris/Brightness Uniformity: The brightness of the CP-X2510 in its brightest precalibrated operating mode was measured at 1,789 ANSI lumens, lower than the specification of 2,600 ANSI lumens. By boosting brightness and contrast, it gets closer to the rated spec at the cost of picture quality. But at nearly 1800 lumens, the CP-X2510 can handle moderate sizes screens in environments with ambient light or larger screens in dim environments. Setting the CP-X2510 to low lamp mode reduces the maximum light output to 1130 lumens (a 37% reduction). Utilizing the low lamp setting doubles the rated lamp hours from 3,000 to 6,000 hours - a low lamp setting with 1130 ANSI lumens will produce 80 foot-lamberts of image brightness on a 65" diagonal 4x3 screen - a very useable level of projected image brightness even with moderate levels of ambient light.

Subjectively, the CP-X2510 outperforms the measured lumen value in terms of apparent screen brightness. The two main factors that contribute to this highly useable brightness level is the 'Active-Iris' feature and excellent brightness uniformity, which was measured at 87%. Across the screen, the CP-X2510 was only 13% dimmer at the lowest measured value compared to the highest measured value - significantly better performance than most projectors in this class. The consistent level of brightness across the entire display translates into a very solid image that pops off the screen.

The CP-X2510 includes an 'Active-Iris' that dynamically changes the amount of light the projector outputs depending on the image content - the iris will open for material that is predominately bright and close for material that is predominately dark. The end result is a projector that can produce bright images when needed and also has the capability to reproduce relatively dark blacks when the iris is activated - not washed out or 'grey' blacks usually seen when bright projectors display images of low average picture levels. To test the ability of the iris to adjust between bright and dark content, presentation slides were constructed that consisted of white background and black text along with slides with a black background and white text. The iris performed well, adjusting quickly; with no image pumping that occurs if an iris does not immediately lock-on to the ideal setting. The Active-Iris makes a significant improvement to black level, with the most noticeable change occurring on content with a very low average picture level. The Active-Iris takes approximately 3-4 seconds for a maximum change from white to black or from black to white. While this should not be distracting during normal presentation, the variance can be reduced by using the less aggressive Theater mode. The Theater mode nearly eliminates any visible transition of the iris, but does not provide as much of a benefit to the absolute black level as the more aggressive Presentation mode.

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Advantages and Limitations
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Reader Comments(3 comments)

Posted Feb 22, 2010 9:05 AM PST

By Diana Scott

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What does it mean, that it lacks a digital input? You can hook it up to a laptop and play powerpoints or DVDs, correct? What applications would require a digital input?

Posted Mar 3, 2010 12:28 PM PST

By Anthony Arrigo

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It just means that it does accept a HDMI or DVI-D signal so you can't send it a pure digital signal. It will only accept analog signals like the kind that come from a laptop or desktop pc. Of course it would accept an RCA signal like the kind from a VCR.

Posted Dec 24, 2011 7:52 PM PST

By robert

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How long does the bulb last in the Hitachi cp-x2510n 3lcd before it needs to be changed? Mines have 4445 hours logged on it.

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