Re: [閒聊] 鏡頭鍍膜
在1993歐盟強制要求玻璃製品標準化、透明化之前
各家的玻璃使用無法確知
另一個可以量化比較的數據大概是販售價格
(以下皆經通膨調整為2013物價水準表示)
以完全對稱式的古典Biortar、Xenon為例
1958年Schneider Retina-Xenon 50/1.9 售價為USD 1740
1981年Rolleinar MC 1:2,0/50mm(日製) 售價為USD 188
以1970年代這個時間斷面橫跨德日兩國產期的Rollei-QBM來看
Planar 1:1,4/50mm 售價是USD 976
Planar 1:1,8/50mm 售價是USD 377 (類同今日50/1.8的第一代變種雙高斯)
Rolleinar MC 1:1,4/55mm 售價是USD 229 (光學設計同Contarex 55/1.4)
Rolleinar MC 1:2,0/50mm 售價是USD 188
同期相似的光學設計,產地不同價格差2~3倍
而且這些設計今日仍持續被生產製造
對照今日2500台幣還加送微型馬達,或許可以做個對比
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※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 114.39.178.25
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回BearSheep大:
今日光學樹脂折射率也也達1.74之譜,與頂級光學玻璃相去不遠
但是相同折射率光學樹脂毛料報價可以差到5倍
今日kit鏡皆使用高折射鑄模鏡片
如果售價不能反映生產成本/用料差異
Nikon又何必大費周章
保證自家1.74非球面鏡片縱橫2軸以及6個斜向AS軸共計8個軸全部都是非球面
如此又該如何評定鏡片品質的好壞呢?
※ 編輯: stpc6 來自: 114.39.189.121 (10/10 00:05)
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