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2024-10-18 16:01  #1
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yingkou1

级别: 小学一年级
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注册日期: 2011-09
来自: 中国, 辽宁, 营口市
[教程]F卡口,带内置CPU和F卡口的G型AF-S镜头
因为手中现有的器材中一直缺少一个超广角,经过再三的斟酌之后,最终选择了20定。选择它我主要是看中了其小巧轻便的外观及不错的画质表现,而且光圈比起自家的小牛广16mm--35mm F/4大出了2级,实乃拍摄星空之利器。77mm的口径与我现有的小钢炮80mm--200mm 和旅游头24mm--120mm口径一致,滤镜也可以通用,比起尼康的大灯泡14mm--24mm及腾龙的SP 15mm-30mm F/2.8 Di VC USD超大的口径及沉重的身躯,外出携带轻松了很多!毕竟,外出拍摄不光是只带一只镜头的. 令人惊喜的是,该镜头厂家所给的最近对焦距离是20厘米,但在实际使用中发现最近对焦距离可近至7厘米!这样偶尔客串一下微距镜头也不错,拍个小花小草的很方便 !当使用D750机内的1.2倍及1.5倍裁切时则分别相当与24mm和30mm的焦段。

技术规格

类型: F卡口,带内置CPU和F卡口的G型AF-S镜头
格式 : FX/35mm
焦距:20mm
最大光圈: f/1.8
最小光圈:f/16
镜头结构: 13片11组(包括2枚ED 镜片组件,2枚非球面镜片组件,带纳米结晶涂层的镜片组件)
视角:• 尼康胶卷单镜反光与FX格式数码单镜反光照相机:94° • 尼康DX格式数码单镜反光照相机:70°
最近对焦距离:距离焦平面约0.2m
光圈叶片数量:7片(圆形光圈孔)
涂层:纳米结晶涂层
光圈叶片 : 全自动
测光:全开光圈
滤镜附件尺寸:77 mm (P = 0.75 mm)
尺寸:约82.5mm(最大直径)x 80.5mm(从照相机镜头卡口边缘开始的距离)
重量:约355g
自动对焦:是
AF-S(宁静波动马达): 是
对焦模式:手动,手动/自动
G型:是
随机附件: 77mm快扣式镜头前盖LC-77,后镜头盖LF-4,镜头遮光罩HB-72,软镜头袋CL-1015
发布日期 : 2014/09/12

原产地:中国
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2024-10-20 11:45  #2
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东南风

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来自: 中国, 福建, 福州
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