适马100-400 光圈全开锐度不行？

所有镜头全开画质都差

[quote][pid=511689485,26520930,1]Reply[/pid] Post by [uid=25509469]PoemMoe[/uid] (2021-04-28 14:22):

所有镜头全开画质都差[/quote]所有人类都要呼吸

这种头又有多少时候要全开光圈[s:ac:汗]

[img]http://img.nga.178.com/attachments/mon_201209/14/-47218_5052bca2a2f43.png[/img]长焦全开这个...除了弱光问题其他不需要吧...

基本风光的话都8-11了吧...

[img]https://img.nga.178.com/attachments/mon_202104/28/-570ynQ8h3l-ndbK2eT3cSj7-sg.jpg.medium.jpg[/img]拍得到比拍得好更重要[s:ac:茶]我觉得这素质才GM三分之一的价格想那么多干嘛呢

[quote][pid=511728221,26520930,1]Reply[/pid] Post by [uid=42622814]RyanSDGD[/uid] (2021-04-28 16:32):

[img]https://img.nga.178.com/attachments/mon_202104/28/-570ynQ8h3l-ndbK2eT3cSj7-sg.jpg.medium.jpg[/img]拍得到比拍得好更重要[s:ac:茶]我觉得这素质才GM三分之一的价格想那么多干嘛呢[/quote]这贴纸太草了哈哈哈哈哈哈哈[s:ac:哭笑]

[quote][pid=511703464,26520930,1]Reply[/pid] Post by [uid=42414294]霄言[/uid] (2021-04-28 15:10):

这种头又有多少时候要全开光圈[s:ac:汗][/quote]这种头全开很常见，会议记录，新闻，体育，都需要全开，哪怕拍风光，光线暗点也得全开

[quote][pid=511689485,26520930,1]Reply[/pid] Post by [uid=25509469]PoemMoe[/uid] (2021-04-28 14:22):

所有镜头全开画质都差[/quote]好家伙，适马天天吹自己全开画质好，到你这就成所有镜头都差了，那厂商还设计个锤子？更别说原厂镜头全开刀锐奶化的多了去了

100-400怎么就不全开了。。

适马140全开和140gm相比画面中央差不多，边角差一丢丢，如果适马不可用gm也不可用

100400光圈全开实拍
[img]https://img.nga.178.com/attachments/mon_202104/28/-570ynQco5w-jjcmZ2fT3cSzk-nq.jpg.medium.jpg[/img]
去西北川西做主力头绝对没有问题

成都兰拓评测 适马100～400
链接 [url]https://zhuanlan.zhihu.com/p/188610425[/url]
[img]https://img.nga.178.com/attachments/mon_202104/28/-570ynQco5x-ir85K2oT3cSzk-l6.jpeg.medium.jpg[/img]

[img]https://img.nga.178.com/attachments/mon_202104/28/-570ynQco5x-1iadK2fT3cSzk-lc.jpeg.medium.jpg[/img]

[img]https://img.nga.178.com/attachments/mon_202104/28/-570ynQco5x-l87bK2dT3cSzk-ld.jpeg.medium.jpg[/img]

[img]https://img.nga.178.com/attachments/mon_202104/28/-570ynQco5x-es1qK2eT3cSzk-la.jpeg.medium.jpg[/img]

[img]https://img.nga.178.com/attachments/mon_202104/28/-570ynQ9tz8-5zclK2cT3cSzk-l9.jpeg.medium.jpg[/img]

[img]https://img.nga.178.com/attachments/mon_202104/28/-570ynQ5qhu-l8ptK1dT1kShs-zr.jpg.medium.jpg[/img]

御三家(80)100～400评测
链接 [url]https://zhuanlan.zhihu.com/p/36232568[/url]

[img]https://img.nga.178.com/attachments/mon_202104/28/-570ynQ9u69-17zhK1uT1kShs-zr.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202104/28/-570ynQ9u69-9d6K2cT1kShs-zr.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202104/28/-570ynQ9u69-18jlK2aT1kShs-zr.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202104/28/-570ynQ9u69-2lbbK1vT1kShs-zr.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202104/28/-570ynQ9u6a-4f6wK2dT1kShs-zr.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202104/28/-570ynQ9u6a-3lw8K2jT1kShs-zr.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202104/28/-570ynQ9u6a-95jnK29T1kShs-zr.jpg.medium.jpg[/img]

[quote][pid=511777707,26520930,1]Reply[/pid] Post by [uid=12842816]别怕丶有我[/uid] (2021-04-28 19:29):

这种头全开很常见，会议记录，新闻，体育，都需要全开，哪怕拍风光，光线暗点也得全开[/quote]可是具体到适马这个头上 最大光圈基本都是给懒得上架子的时候手持搏一搏的吧[s:ac:哭笑]

我也挺纠结的，都说大光圈唯美虚化，都说大光圈画质不行

[quote][pid=511826075,26520930,1]Reply[/pid] Post by [uid=590666]蔚莲倩影[/uid] (2021-04-28 23:28):

我也挺纠结的，都说大光圈唯美虚化，都说大光圈画质不行[/quote]看mtf，有的老镜头全开比较肉，新的一般好点的都是全开没问题，我用过的印象最深的就是腾龙35 1.4这个镜头，全开之后依旧很锐