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1. |
[n]
{photography,physics}
▶ f-number ▶ focal ratio ▶ f-ratio ▶ f-stop |
2. | A 2022-03-16 11:07:14 Jim Breen <...address hidden...> | |
1. | A* 2022-03-16 09:37:36 Marcus Richert <...address hidden...> | |
Refs: | https://kakaku.com/item/K0000858043/ 開放値F1.4の明るさを持つソニーEマウント用大口径標準レンズ。 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 |