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1. |
[n]
{photography,physics}
▶ f-number ▶ focal ratio ▶ f-ratio ▶ f-stop |
2. | A 2022-03-16 11:06:55 Jim Breen <...address hidden...> | |
1. | A* 2022-03-16 09:38:14 Marcus Richert <...address hidden...> | |
Refs: | 開放値 6712 絞り値 30459 daijs has 開放F値, 絞り値, Fナンバー, F値 https://en.wikipedia.org/wiki/F-number |