Samsung UN55C7000 1080p 240 Hz 3D 55-Inch LCD LED HDTV (Black)
Colors.
The UN55C7000, like some Samsung displays, struggles with RGB colorspace using HDMI. When measuring color decoding and gamut, it was significantly different (poorer) after switching from YCbCr to RGB using HDMI. For certain pattern generators, it could be an issue, such as video game consoles, or DVI based sources.
Artifacts.
There were occasional but brief moments of motion blur. Just as with the LG LH90, it was not distracting. The “flashlighting” of the LED backlight during test patterns and program guides, can be noticeable. However, watching regular program material lacked noticeable pumping or fluctuation.
Performance.
The C7000 is an improvement on the B7000. It adds a 3D capability. Calibrate it, watch it on axis, and tilt the screen down when mounted high. Light output is sufficient to cope with bright rooms. Just remember to position it to minimize glare.
The C7000 uses the edgelit LED technology and not the local dimming LED technology. Yet, it is still a fantastic set and a dream for the calibration fanatic.
3D Viewing.
After calibrating a UN55C7000, I looked at its 3D performance with 3D glasses. The set lets you choose movie mode in 3D mode. There is independent memory for 3D movie mode that is separate from regular movie mode. This requires totally different settings for 3D movie mode. This included changing contrast, white balance, and the backlight.
I watched a 3D-native Blu Ray movie, using a 3D-ready Samsung BD player. Most viewing was before calibration, but it was later compared to the 3D action after calibration.
Watching the 3D Movie.
There was a distinct shadow around objects even after using the 3D glasses. The glasses seemed to reduce the shadow by 70%. Yet, a distracting 30% remained.
There was a good 3D effect. Since it was an animation, it was difficult to judge picture quality. The experience was interesting, despite the distracting shadows. The glasses seemed to distort things in unexpected ways. Image geometry appeared slightly wavy (possibly slight imperfections in the lens surface of the glasses).
2D in 3D.
Standard 2D material converted to 3D. The 3D processing could be turned down so the shadow was much less noticeable. Yet, the overall 3D effect was much reduced, as expected. The effect was still noticeable and added a slight sense of 3D depth.
At times, it felt the middle of the screen was being pulled away from me. It was like someone attached silly putty to the screen center. They then pulled it towards the back wall. It was fun and interesting, but not very realistic or lifelike.
3D Impressions.
It’s hard to say if I would use 3D. For normal viewing, I would avoid it, except as a novelty. Real 3D movies would probably not be very enjoyable, because of the shadow and unrealistic effect from the glasses. Yet, it was still fun to experience.
White Balance/Gamma.
There could be a potential problem with 10 point white balance/gamma settings. High contrast settings are best. When contrast settings are near 100, the points line up properly with minimal interaction. However, at lower contrasts (low 90′s), when you try to eliminate whiter-than-white color shift, the 10 point system is slightly displaced. This makes calibration difficult and leads to too much improper interaction.
With a contrast setting near 100, the 10 point works perfectly. At reduced settings (mid 90′s), it works well. Just expect some displacement and more interaction. For lower settings, the displacement is unacceptable.
Samsung UN55C7000
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