佳能50mm F1.8和50mm F1.4只差了一个级数,为什么价格相差那么大?
推荐回答(3个)
这类的评测文章不少,中关村在线、太平洋摄影等经常能看到,不过如果光看评测文章,一般都是说这两者相差很小之类的,有些误导。我给你比较一下两者:1.口径不同,佳能50 1.4的口径是58mm,而1.8的是52mm。口径越大,进光量就越大,意味着在弱光条件 下的拍摄效果更好。2.做工不同,1.4的做工虽然说不上非常好,不过和1.8的相比还是好不少。3.成像效果有些差异,1.4的成像的色彩、层次上稍好于1.8的,在大家都收小几档光圈的情况下,两者差异不明显;当然,1.4的头光圈打到1.8和1.8的镜头光圈全开比较,1.4的镜头肯定好很多。至于说1.8跑焦等问题,说实话倒不用太在意,大光圈定焦在光圈全开时都或多或少的容易跑焦,毕竟景深太浅,这是通病,我们没有理由让只值600多1.8的在这方面表现好。最后总结一下,两者都可以出好片,只是1.4更容易些罢了。一般专业人士会倾向于买1.4的甚至50mm 1.2L的;一般家用,要求不是很高的(不是很挑剔的眼睛),性价比较高的1.8(小痰盂)就够用,毕竟两者差价还是很大的。有什么问题欢迎补充!
汗50mm F1.4 超声波对焦马达驱动,植绒消光技术抗玄光,非常优秀的色彩还原能力。这些都是50 F1.8所没有的,另外F1.8 著名的跑焦王啊,色彩偏冷,大光圈肉。。完全两个档次的东西。
一、首先定位
这是购入镜头是上次用了宿宿的85
1.2中毒的后果。。。
买镜头的目的很明确,就是拍摄人像。
二、比较
本来想买85
1.8,但是我的机身是30D,不是全画幅CCD,
要乘以1.6的系数,85焦距就变成了135mm,
拍人像有点太长了,室内空间的话无法施展。
而50mm的镜头乘以1.6以后正好是80mm,
于是基本确定选择50
1.4。
三、试拍
五颗松的周末生意异常兴隆,朋友的店忙得很,
服务员都在招呼客户,索性我就自己拿着三只镜头在一旁比较。
分别是
85mm
F1.8、
50mm
F1.4、
50mm
F1.8
其实50
1.8肯定不会考虑,就是想试试与1.4的差别,
因为价格差了4、5倍,很好奇。
试拍了很多张,有人物,有静物的。
最后发现85mm的确放在30D上太长了,
与我的小黑70-200过于重合。
而50
1.4的表现力非常好,
背景虚化很不错,焦距也非常适合室内创作。
最终选定了50
1.4。
附件附几张对比的照片。
顺便说一下,85
1.2
和
50
1.2的确都是好东西,算是人像头顶级装备了,
可是个人觉得从性价比上来看没有必要,
当然如果是银子多得花不完,或者亮骚还是很有必要的,
毕竟那么大个头,那么粗,就是专业。
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