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来源:太平洋电脑网<\/p>
今年9月初富士就推出了号称在厂的唯一一只1.0大光圈的无反相机自动对焦镜头,掀起一波热议。富士XF50mmF1.0 R WR是一款超大光圈中距定焦镜头,最大光圈F1.0,是富士有史以来光圈最大的XF系列镜头。<\/p>
大光圈镜头一直以来都是各大相机品牌的重要竞争发展方向之一,对于喜欢拍人像的我,当然也是光圈越大越香。所谓好机配好头,这个富士官方打出THE"ONE"、能改变拍摄世界的"夜之清晖"超大光圈镜头到底能有多大的魅力?是否值得我们入手?PConline评测室和你一起试一试便知。<\/p>
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富士XF50mmF1.0 R WR外观评测<\/p>
富士相机一向是许多外貌主义摄影玩家的首选之一,多年打磨下的富士出品也绝非"花瓶"。目前影像行业中的最大光圈镜头如F0.95镜头,几乎均为手动对焦,并且多数为特殊制作,价格高昂,所以超大光圈和高速自动对焦成为富士XF50mmF1.0 R WR的超大卖点。又要超大光圈,又要锐利画质,还要有自动对焦,要做好这个镜头不是一件简单事。<\/p>
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传承富士龙镜头一向的稳重低调风格,富士XF50mmF1.0 R WR采用哑光纯黑的金属材质镜身,加以白色字体的文字标识,看起来十分专业大气。<\/p>
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富士XF50mmF1.0 R WR的焦距为50mm(相当于35mm胶片格式的76mm),最近对焦距离是70cm,镜头直径与长度的大约值是ø87mmx103.5mm,水平站立与一个水杯的大小相似,重量为845g,与此前富士的大光圈镜头XF56mmF1.2 R和XF56mmF1.2 R APD相比要重一些,但在无反相机的镜头搭配中仍是我可以接受的重量,如果有更好的出图效果,这点重量算什么!<\/p>
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镜头有着ø77mm的大口径设计,解像力好,提高分辨力,在F1.0的光圈下把拍摄主体和杂乱的背景柔和地分离开来,拍出如牛奶般平滑散开的背景虚化画面。<\/p>
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镜头由9组12个镜头元件组成,包含1片非球面镜片, 2片ED镜片,9片圆形光圈叶片最大光圈为F1.0,最小光圈为F16,镜头前端上能看到"FUJINON ASPHERICAL LENS",即非球面透镜,通过使用非球面镜片,可以有效解决视界歪曲等问题,还原画面的真实性。<\/p>
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该镜头使用了富士著名的Super EBC(Electron Beam Coating)电子波束多层镀膜技术,可有效降低光线进入镜片的反射从而造出少于0.3%的反射率,抗眩光鬼影方面能力更佳。<\/p>
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富士XF50mmF1.0 R WR镜身上有两个镜头控制环。较小的是光圈环,可旋转90°,旋转过程中会有微小的"哒哒"声,简直是强迫症加声控的最爱。而较大的则是对焦环,对焦环的宽度占了镜身的三分之一左右,在需要手动对焦时,手动对焦环可提供120度的旋转,对焦更精确,旋转对焦环过程中不仅静音,其流畅度可以说比德芙还顺滑!两者不同的阻尼和纹路,你在使用取景器拍照时也可以快速调整控制环。<\/p>
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WR(Weather Resistan)标志着这是一款经过密封处理,具有一定的防水性能的镜头。富士XF50mmF1.0 R WR采用防尘防滴设计,在11个位置进行了密封以防止湿气和灰尘,镜头能在-10℃的温度下使用,在各种严苛的环境下,只要你想,它会是你拍摄时最坚强的伙伴。<\/p>
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镜头卡口部位采用纯金属卡口,并且卡口的四周还设有一圈密封圈,水滴和灰尘都无法攻入这座围城。<\/p>
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富士XF50mmF1.0 R WR搭配采用的是圆形旋转式遮光罩,采用塑料材质,内部带有条形纹理设计,通过制造漫反射防止更多杂乱的光线进入镜头。遮光罩对准镜头上的白色圆圈标注后顺时针转动90°即可卡死固定。<\/p>
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除了能有效地减少杂光产生的眩光外,遮光罩正扣在镜头的前端时,还能对镜片起到一定的保护作用。简单描述了富士XF50mmF1.0 R WR的外观后,下面我们把它装机实拍看看。<\/p>
富士XF50mmF1.0 R WR锐度评测<\/p>
常言道:细节决定一切。作为一个肖像摄影神器,前期拍摄图片的高画质才能保证提高后期修片的效果。我们把富士XF50mmF1.0 R WR搭配富士X-S10使用,关闭机内一切优化,从最大光圈F1.0步步调至最小光圈F16,取中心和边缘的100%截图观察对比。我们来看看在阴天下,不同光圈下富士XF50mmF1.0 R WR成片拍摄竹子的锐度表现力如何:<\/p>
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富士XF50mm F1.0 R WR锐度评测<\/p>
中心<\/p>
边缘<\/p>
f\/1.0<\/p>
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f\/1.4<\/p>
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f\/2<\/p>
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f\/2.8<\/p>
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f\/4<\/p>
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f\/5.6<\/p>
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f\/8<\/p>
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f\/11<\/p>
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f\/16<\/p>
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在与APS-C画幅相机搭配的成像效果中,富士XF50mm F1.0 R WR在画质上也并没有相应妥协。在光圈全开F1.0的状态下,富士XF50mmF1.0 R WR的画面中心和边缘画面相对要肉一点,在F2的时候边缘锐度开始提升,光圈达到f\/5.6时边缘画质和中心画质逐渐达到平衡,到F4-F8的时候画面就很耐斯了,成像画质分辨率最好的是在F2-F8的档位下。另外值得一提的是在阴天下,富士XF50mmF1.0 R WR的大口径解像力很厉害。整体来看,作为大光圈镜头,这个锐度已经非常不错。<\/p>
富士XF50mm F1.0 R WR抗眩光&畸变评测<\/p>
拍人像时我们经常会用到逆光拍摄,逆光可以通过光照形成较强的表现力和艺术渲染性,增强被摄物体的质感。该镜头使用了富士著名的Super EBC(Electron Beam Coating)电子波束多层镀膜技术,可有效降低光线进入镜片的反射从而造出少于0.3%的反射率,抗眩光鬼影方面能力更佳。我们用一个手机手电筒作为唯一光照,在小黑屋里作为镜头的拍摄主体,为了方便观察,我们把图片制成动图:<\/p>
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在动图中可以看到,在F1.0-F5.6之间的光圈值里,这个镜头都有很不错的抗眩光表现,在收缩到F11和F16小光圈长曝光时,光源的周围开始出现眩光,不过这也有部分原因是因为强烈光照直射,不过F1.0的大光圈在拍摄人像时,如果还用小光圈,就有些资源浪费了。我们还可以在拍摄照片时,避免用镜头直接对着强烈的集中光源,通过安装遮光罩等方法,避免眩光鬼影出现。<\/p>
一般情况下,广角和长焦镜头比较容易出现镜头畸变,畸变实际上是光学透镜固有的透视失真。但像在使用鱼眼镜头时我们才会追求特别的成像,而正常情况下的常用镜头畸变则会改变被摄体的原样甚至使画面变得奇怪。<\/p>
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在对富士XF50mmF1.0 R WR的畸变测试中,我们把相机直对有纹路的墙面拍摄,可以看到这支镜头的畸变控制得非常好,所摄墙面的直线与画面几乎垂直没有变形。富士XF 50mm f\/1.0 R WR镜头由9组12个镜头元件组成,还包含一片非球面镜片和两片ED镜片,可以有效解决视界歪曲等问题,实现对畸变的优异控制,还原画面的真实性。<\/p>
富士XF50mm F1.0 R WR暗角&色散评测<\/p>
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富士XF 50mm f\/1.0 R WR镜头的暗角控制也很不错。通过动图可以直观地看到,在F1.0、F1.4两档光圈下的画面会有轻微的暗角,F2.0后的画面十分干净整洁,明暗统一,在如此苛刻的测试下暗角控制都如此优秀,后来的实拍中我们也可以看到,在真正的场景拍摄时,全开光圈F1.0时我们近乎完全看不到有暗角的存在。<\/p>
接着我们看一下这支镜头的抗色散能力如何,把相机架在强光照射的树荫下,采用不同档位的光圈,分别截取图像中间和边缘两处截图参考,我们来对比下观察叶子边缘:<\/p>
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富士XF50mm F1.0 R WR色散评测<\/p>
截图一<\/p>
截图二<\/p>
f\/1.0<\/p>
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f\/1.4<\/p>
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f\/2<\/p>
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f\/2.8<\/p>
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f\/4<\/p>
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f\/5.6<\/p>
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f\/8<\/p>
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f\/11<\/p>
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f\/16<\/p>
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在F1.0光圈全开的情况下,富士XF 50mm f\/1.0 R WR镜头的画面中少量叶片的边缘有轻微的色散,边缘截图的画面相对要比中间多一些,在F2.8之后叶片边缘干净利落,没有多余的杂色边缘,在原图的成像中,小编认为F1.0光圈完全可以全开使用,毕竟一般大家也不会拍摄一张照片后,还要把它放大一百倍裁剪成为用图。<\/p>
富士XF50mm F1.0 R WR虚化评测<\/p>
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作为人像镜头首选,富士XF50mm F1.0 R WR的虚化简直美炸。从测试图中可以清楚看到不同光圈下背景虚化效果的不同,光圈全开时超大的圆形光斑如梦如幻,到F2.8时依然有很漂亮的焦外光斑,浅景深背景虚化自然干净,大光圈配合9片叶片的圆形光圈,无论是在APS-C画幅还是全画幅的相机系统里,我觉得都很难找得到虚化质量能与之相媲美的镜头,简直无敌手。<\/p>
富士XF50mm F1.0 R WR自动对焦评测<\/p>
为什么超大光圈镜头自动对焦难?镜片太重,还要控制镜身体积,普通对焦马达很难带动,速度和精度跟不上,就像要把一个千斤重的皇冠强加在一个初生的王子头上,而且这个皇冠还很昂贵不能打碎。<\/p>
在镜头需要更加平民化,接近一般富士用户的购买能力时,富士XF 50mm f\/1.0 R WR的自动对焦速度也是对得起它的超大光圈的,拍照时自动对焦速度也很快。如果你视频拍摄追求特别顺畅的对焦,不妨可以手动对焦或者搭配跟焦器使用,手动对焦环可提供120度的旋转,精度比以往任何XF镜头提高了8倍,希望富士可以在这一方面更多的提升,如果有一个自动对焦也十分顺滑的超大光圈镜头,它在市面上一定会是一个香饽饽。<\/p>
富士XF50mm F1.0 R WR实拍样张<\/p>
在评测室里一顿操作猛如虎的测试后,这支镜头的真刀实战开始。我们同样把富士XF50mm F1.0 R WR装在富士新出的APS-C画幅相机富士X-S10上,找个阳光灿烂的下午,我们上街走一波。<\/p>
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不得不说,要把妹子拍好看,大光圈少不了,尤其是在背景相对杂乱的街道里,超浅景深可以使画面更加干净。天黑后在户外大口径镜头的进光量十分充足,难怪说它是一支被称为"夜神"的镜头,-7EV的暗光对焦能力也是杠杠的,在光线较暗的地方也能拍出质感很好的画面。在取景器里取景与对焦时,自动对焦可以让我迅速把画面的焦点定在模特身上,清楚地捕捉到模特每一个甜美的表情,爆表的画质甚至可以看清模特的每根头发丝,富士XF50mm F1.0 R WR的圆形光圈设计使焦外的虚化非常自然好看,"如奶油化开般的焦外"这句话我已经说腻了,大家可以看图自行体会!<\/p>
富士XF50mm F1.0 R WR PConline总结<\/p>
富士XF 50mm F1.0 R WR可以说是富士X卡口里又一支非常值得入手的镜头,镜片的增加、大口径的进光量、整体画质的优化、超强的虚化效果、全天候防护兼顾多种特殊拍摄环境,借助于无反系统的优点,这支镜头还可以轻松地实现人眼以及人脸的高精度自动对焦。这只被定义为THE"ONE"首支超大光圈自动对焦、夜神镜头名副其实。<\/p>
富士XF50mm F1.0 R WR优缺点总结优点缺点<\/p>
1、超大光圈F1.0和自动对焦兼备<\/p>
2、柔美的虚化效果<\/p>
3、防尘防滴全天候防护<\/p>
4、畸变、暗角控制优秀<\/p>
1、价格适中偏贵<\/p>
富士XF 50mm F1.0 R WR的镜身没有特别专业的设置操作按钮,富士初级爱好者也可以很快上手,搭配富士的文艺机身颜值赛高,在众多超大光圈镜头里的体积也适中,适用于拍摄人像、静物等不同的题材,对于一款如此大光圈的镜头来说,能够达到这样实属不易。如果你是喜爱肖像摄影创作并且需要背景虚化的摄影玩家,相信我,大光圈,拍啥啥好看。<\/p>","img":[{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/73F433BCDB00B4424AA1038D867F1122528C3270_size9_w332_h221.jpeg","size":{"width":"332","height":"221"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/9B17AE026E3537120F59D5A5A15E8B771795490C_size26_w700_h467.jpeg","size":{"width":"640","height":"426"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/1EE057757FA7E67518F57D78B213F8F4A1FD23E4_size12_w700_h467.jpeg","size":{"width":"640","height":"426"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/0D206EE07DA3205038364508876A689716ABBF7C_size29_w700_h467.jpeg","size":{"width":"640","height":"426"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/5CE077DD7D30A56056EA4DA677AE30D20D1F8746_size7_w333_h222.jpeg","size":{"width":"333","height":"222"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/1FE1B89E702AD310D73CC4F411561D6E3827BDF3_size18_w700_h467.jpeg","size":{"width":"640","height":"426"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/CDC86E45788EC836782E1461F36228CDBF38246F_size24_w700_h467.jpeg","size":{"width":"640","height":"426"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/B935C8AFE14538B4F64F000C79C9A2074E44F5FA_size33_w700_h467.jpeg","size":{"width":"640","height":"426"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/9B17AE026E3537120F59D5A5A15E8B771795490C_size26_w700_h467.jpeg","size":{"width":"640","height":"426"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/4486DF6E6F2CB30C804C9BBE5E896D5BF791C904_size19_w700_h467.jpeg","size":{"width":"640","height":"426"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/9400CAAAEC3BB11E3DAF7B38DCB38983232D057E_size22_w700_h467.jpeg","size":{"width":"640","height":"426"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/18D491639389C004EB5220A58ADC3EC4CDCF0FDB_size15_w700_h467.jpeg","size":{"width":"640","height":"426"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/D37CFA1D456F658DEB14CF2592C7341055C38A81_size94_w700_h467.jpeg","size":{"width":"640","height":"426"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/3EC907603DEBB27C5D5BBA8449CA8C86E59317C5_size7_w333_h222.jpeg","size":{"width":"333","height":"222"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/6F7A614507A3DEADDE3921D78E793CEA8D0C0ECF_size10_w333_h222.jpeg","size":{"width":"333","height":"222"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/F434737B00804628590C18286C86A7DF2B8D4641_size8_w332_h221.jpeg","size":{"width":"332","height":"221"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/D73234DF225752DF8661C7A0456AF32C9735F77D_size11_w332_h221.jpeg","size":{"width":"332","height":"221"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/CFD52A24751F499ECCFCE365A36172EE0BDEFE40_size7_w332_h221.jpeg","size":{"width":"332","height":"221"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/4CCC509F048AF54149C0D023E32135CF48DBFA97_size13_w332_h221.jpeg","size":{"width":"332","height":"221"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/678417B454D1A954691B8317B0B3D4CF578469AE_size8_w333_h222.jpeg","size":{"width":"333","height":"222"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/C23FEE85E5020F9E81469DFA5377EB461F7B9150_size12_w333_h222.jpeg","size":{"width":"333","height":"222"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/2AB92B42470E1B083F831712D37107E5575D2609_size8_w333_h222.jpeg","size":{"width":"333","height":"222"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/A96540662DC79B8047E642E8688BE00487C981F2_size12_w333_h222.jpeg","size":{"width":"333","height":"222"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/6988990E258E80521E5E8AFBB09908551B9FB449_size8_w333_h222.jpeg","size":{"width":"333","height":"222"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/F1818262D169AC4B6DC8D4B8E791228D4F2E5AC5_size12_w333_h222.jpeg","size":{"width":"333","height":"222"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/D389DB5827B31AC57B2A291712C8E7E4916F72EF_size8_w333_h222.jpeg","size":{"width":"333","height":"222"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/56DD8266B3904C11DAA342BF8D26AF825BFBB014_size12_w333_h222.jpeg","size":{"width":"333","height":"222"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/73E62CCB5DE384D6C77026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