二手200元投影机
作者:1L789
去年买了两台3LCD投影机,上篇写了其中一台翻车的富可视,二手3LCD几个常见的画面劣化现象在那台上基本都遇到了,可以作为反向教材。这篇再写写这台七百多买的爱普生EMP-TW700,除了3LCD常见的画面局部轻微偏红的现象外,这台投影在其它方面一切正常,原厂灯时九百小时,TW700也算是720P时代的中高端型号了,比较有参考意义。
外观
爱普生TW700上市于2006,发售价两万一,银白配色流线型的机身设计,外观丝毫不输现在新出的机型,只是白色外壳已经年久泛黄。
机器正面左侧为散热出风口,导风板将热气导向左侧,同时也避免了内部漏光影响投影画面。
2.1倍光学变焦镜头,F值 2.0-3.17,焦距 22.5-47.2毫米,1.8米可投射60英寸,全玻璃镜组,细看镜头镀膜上没有指纹划痕之类。
旋转镜头内外圈调节环可进行画面焦距、对焦调节,顶部两个滚轮则用来调节镜头纵横轴平移,虽然不是电动调节,但镜头双轴可调的配置已足够良心了,如今一些旗舰机上也未必配备。
顶面靠后是操控区。
各按键功能排布比较直观,还带一个灯泡/温度异常警报灯。
机器背面左侧为接口区域,下方电源线插口带电源开关,右侧为红外遥控器接收窗及锁孔。
视频接口部分比较齐全,除了HDMI外,还有VGA、色差分量、S端子、AV,新老设备均方便连接。
机器的风道设计比较特别,整机四周及顶面除正面出风口外,没有其它开口格栅用于进风。
机身底面,可以看到灯泡仓盖以及过滤棉仓盖,比起之前几台投影这些位置需要拧螺丝打开,这台TW700在维护上更便捷。机器前端两个可调节支架,前任机主在每个支架上又加了软性的脚垫,可见爱护有加。机身铭牌上产地为日本。
过滤棉仓内的滤网比较干净,此处也是机器的进风口位置,底部进风的机器更适合座装,如吊装此处朝上容易积灰。
附件有一个原装遥控器和镜头盖,遥控器带灯光,按键非常齐全,包含各视频输入接口、画面设置项的快捷按键。
菜单
爱普生TW700的设置菜单内关于画面调节的选项极为丰富,调节后可以将当前设置存档,方便根据场景调用切换,符合其中高端机型的定位。
比如有专门的肤色明暗调节,
再比如有灰度系数调节甚至定制。
而且画面调节的理念也独树一帜,设置内没有单独的灯泡亮度调节,而是会根据颜色模式进行亮度切换,比如剧院黑模式下灯泡亮度就会降低。
此外机器还带动态Iris光学系统(自动光圈),这个功能可将画面对比度提升至最高10000:1。
画面
这张4k测试图的白底明显偏暖,实际画面左上角有轻微泛红,图中的色彩较为浓郁。
原图、TW700摄屏、HC1100摄屏对比,可以看到TW700摄屏对比原图虽然略偏红,但对比三菱HC1100摄屏在色调上至少没有偏的太离谱,实事上在未经细调的默认模式下有这个表现在投影机里已算比较出色了,这里TW700设置在低亮度的剧院黑模式,所以画面偏暗偏闷,但即便抛开亮度单拎出来看,肯定也是HC1100的画面更鲜艳讨喜。可能表述有点绕,我的意思是,画面讨喜不代表色彩准确,色彩准确不一定讨人喜欢。
而个人觉得3LCD相比单DLP最明显的区别在于同分辨率下像素晶格锯齿感更弱,画面更加细腻,上面两台机器同样都是720p分辨率,3LCD的TW700摄屏中模特的睫毛没有出现断连的现象,相比DLP的夏普Z12000的摄屏更加柔和,而后者的优势在于画面更加锐利。
屏摄赏析
总体来说这台爱普生TW700画面色彩浓郁,显示细腻,黑位表现也挺不错,至少黑的下去,并且没有DLP机型常见的暗部噪点,综合来讲,画质在之前买的十多台投影机中应该能排进前三了。
总结
这台爱普生TW700在色彩、细腻度上确实有其优势,但我不会因此得出3LCD投影画质必然强于DLP投影的结论,毕竟上一篇3LCD投影就翻车了,所以我觉得还是得具体型号具体分析,实事求是。
在配置上TW700带双轴镜头调节、自动光圈,以及丰富的画面调节选项,如果对3LCD不排斥的值友可以选择,我看闲鱼上卖这型号的卖家还挺多的,买的时候参考我上一篇翻车文,让卖家保证画面没有文中出现的这些问题。
最后补一张配置表,需要注意是这机器光源寿命仅3000小时,最好让卖家出示工程菜单,尽量挑整机时长1000小时以内的。
就这样,喜欢投影机等显示设备主题的可以收藏下并关注我,还有几台机器评测后面放出。
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