推荐回答（2个）
建议楼主买个50寸以上的3d电视就行了！我自己就有3d投影机，刚买的几个月里确实是热情度很高，出来的大片都用投影机看，但时间久了就懒了，新电影出来都只用23寸3d显示器直接看了，不用投影机了，为什么呢？下面我讲几点原因第一，因为投影机不是天天看，所以平时都是用纸箱装着收起来的，每次看都需要接线，太麻烦！第二，3d投影机用的眼镜是快门式的，要充电或者要电池，充电的眼镜每个月要冲一下电养着，如果几个月不充电，电池就坏了，眼镜也就报废了，纽扣电池的吧，也麻烦，电池很久不用一样会报废，想看电影还需要临时去市场买电池，电池还不好配，不一定就买的到。第三，快门式的眼镜再轻便也比偏光式3d眼镜要重，体积要粗，戴起来非常不舒服，特别是戴了近视眼镜的人再加个笨重的快门眼镜看就更不爽！第四，对于新手们看3d电影目的都是为了体验立体感，而实际上现在很多3d大片都不会像动画短片那样刻意制作很多出屏镜头，除了用投影机观看现有的几十部动画短片体验震撼的出屏效果外，看3d大片的话，投影机的优势就不是特别明显了。下面我谈谈3d电视第一，有3d新片就看3d，平时看2d，设备充分利用到了，不像投影机一个月才放一次或者几次，平时躺着睡大觉。第二，最好买偏光式3d电视机，因为眼镜轻便，戴起来没有负担，还不用保养，用完就用眼镜袋装起来就行。第三，立体效果而言，50寸以上电视屏幕完全可以满足大家体验出屏效果，效果并不比投影机差，投影机虽然屏幕大，但观看距离也很远，3d电视屏幕虽然小些，靠近些观看效果也就差不多一样了！以上都是我个人感受，每个人不同，感受也不同，这些只代表我个人，仅供楼主参考吧，要我重新选择，我会选择3d电视。
在选购投影机时，除关注投影机的亮度、分辨率、对比度等重要参数外，消费者也应了解清楚所选投影机的焦距及可能提供的投影距离(投影机镜头与银幕之间的距离)。 在实际应用中，为了在狭小的空间很短的投影距离获得较大的投影画面尺寸，消费者需要选用配有广角镜头的投影机，而在电影院或会堂环境投影距离很远的情况下，为了获得合适尺寸的画面，就需要选择配有远焦镜头的投影机。 现以美国Lightspeed Design公司开发的DepthQ? HD 3D投影机为例来阐述3D投影机的投射距离与投影图像水平宽度和对角线尺寸的对应关系。DepthQ? HD 3D投影机有一个1.1:1的变焦镜，根据这一数据可计算出在某一投射距离下的最大与最小图像尺寸。 众所周知，图像的视感质量不仅与原始图像分辨率以及投影机信号处理能力的强弱有关，而且最佳观看距离的选择也是不可忽略的因素。观看位置选准的标志基本上可以以察觉不出图像的像素为衡量标准。 当然，从理论上讲，与各人的视觉灵敏度也不无关系，尤其在暗环境中观看投影图像时，有可能悬殊的视觉灵敏度的差异会带来图像视感与立体效果的显着不同。
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