中英對照解說 早期尼康鏡頭代號

Early Nikkor Lens Designations早期尼康鏡頭代號常有客戶問到Ai前的鏡頭在”Nikkor”之後的 字母代表的意思。當時的鏡頭都用一個字母代表它的鏡片數。這些字母都是拉丁文或希臘文中代表數字用的。:從U到D，代表了一到十個鏡片：
U = Uns = 1 element
B = Bini = 2 elements
T = Tres = 3 elements
Q = Quatuor = 4 elements
P = Pente = 5 elements
H = Hex = 6 elements
S = Septem = 7 elements
O = Octo = 8 elements
N = Novem = 9 elements
D = Dece = 10 elements

比如說，50 mm f/2 Nikkor S表示有七個鏡片。之後字母C也被加上去: 50mm f/1.4 Nikkor SC。 Ｃ表示所有的透鏡都是多層鍍膜的。其次，Ｃ-type的鏡頭外觀有稍許不同：濾鏡環變成黑色的。

​We are often asked what the letter following the word "Nikkor" on early pre-Ai lenses means. Each Nikkor lens has certain markings indicating the optical design. These letters were codes indicating the number of elements in each lens. The letters are derived from Latin and Greek words denoting numbers.

U = Uns = 1 element
B = Bini = 2 elements
T = Tres = 3 elements
Q = Quatuor = 4 elements
P = Pente = 5 elements
H = Hex = 6 elements
S = Septem = 7 elements
O = Octo = 8 elements
N = Novem = 9 elements
D = Dece = 10 elements

For example the 50mm f/2 Nikkor S would indicate a 7 element lens. Later the letter 'C' began to appear, following the code letter for the number for elements: e.g. 50mm f/1.4 Nikkor SC. The C-type Nikkors indicate that some or all of their glass elements are multi-coated. There were slight cosmetic changes that also differentiate the C-type lenses, which have a black finish to their filter ring