jmdict
2429650
Active
(id:
136761)
<entry>
<ent_seq>2429650</ent_seq>
<k_ele>
<keb>口径比</keb>
</k_ele>
<r_ele>
<reb>こうけいひ</reb>
</r_ele>
<trans>
<xref>Fナンバー</xref>
<trans_det>aperture ratio (inverse of the f-number)</trans_det>
<trans_det>relative aperture</trans_det>
</trans>
</entry>