Editing F-number (section)

==== Typical one-quarter-stop f-number scale ====
{|class="wikitable" style="text-align:center"
! scope="row" | AV
| 0 || {{frac|4}} || {{frac|2}} || {{frac|3|4}} || 1 || {{frac|1|1|4}} || {{frac|1|1|2}} || {{frac|1|3|4}} || 2 || {{frac|2|1|4}} || {{frac|2|1|2}} || {{frac|2|3|4}} || 3 || {{frac|3|1|4}} || {{frac|3|1|2}} || {{frac|3|3|4}} || 4 || {{frac|4|1|4}} || {{frac|4|1|2}} || {{frac|4|3|4}} || 5 
|-bgcolor="#5D8AA8"
! scope="row" | ''N''
|style="background:#CCFFCC;"| 1.0 || 1.1 ||style="background:#FFFFCC;"| 1.2 || 1.3 ||style="background:#CCFFCC;"| 1.4 || 1.5 ||style="background:#FFFFCC;"| 1.7 || 1.8 ||style="background:#CCFFCC;"| 2 || 2.2 ||style="background:#FFFFCC;"| 2.4 || 2.6 ||style="background:#CCFFCC;"| 2.8 || 3.1 ||style="background:#FFFFCC;"| 3.3 || 3.7 ||style="background:#CCFFCC;"| 4 || 4.4 ||style="background:#FFFFCC;"| 4.8 || 5.2 ||style="background:#CCFFCC;"| 5.6
|}
{|class="wikitable" style="text-align:center"
! scope="row" | AV
| 5 || {{frac|5|1|4}} || {{frac|5|1|2}} || {{frac|5|3|4}} || 6 || {{frac|6|1|4}} || {{frac|6|1|2}} || {{frac|6|3|4}} || 7 || {{frac|7|1|4}} || {{frac|7|1|2}} || {{frac|7|3|4}} || 8 || {{frac|8|1|4}} || {{frac|8|1|2}} || {{frac|8|3|4}} || 9 || {{frac|9|1|4}} || {{frac|9|1|2}} || {{frac|9|3|4}} || 10
|-bgcolor="#5D8AA8"
! scope="row" | ''N''
|style="background:#CCFFCC;"| 5.6 || 6.2 ||style="background:#FFFFCC;"| 6.7 || 7.3 ||style="background:#CCFFCC;"| 8 || 8.7 ||style="background:#FFFFCC;"| 9.5 || 10 ||style="background:#CCFFCC;"| 11 || 12 ||style="background:#FFFFCC;"| 14 || 15 ||style="background:#CCFFCC;"| 16 || 17 ||style="background:#FFFFCC;"| 19 || 21 ||style="background:#CCFFCC;"| 22 || 25 ||style="background:#FFFFCC;"| 27 || 29 ||style="background:#CCFFCC;"| 32
|}