Aperture (WindowOpening)

0.94 " Dia.
1 " Dia.
1.13 " Dia.
1.25 " Dia.
1.5 " Dia.
1.56 " Dia.
2 " Dia.
2 x 5.5 "
2.06 " Dia.
2.25 " Dia.
2.5 " Dia.
2.75 " Dia.
3 " Dia.
3.13 " Dia.
3.25 " Dia.
3.38 " Dia.
3.75 " Dia.
4 " Dia.
4.1 x 7.1 "
4.25 " Dia.
4.62 " Dia.
5.75 " Dia.
6 " Dia.
6.31 " Dia.
6.5 " Dia.
7.25 " Dia.
7.31 " Dia.
7.45 x 3.75 "
8.13 " Dia.
None