F-Stop Quick Reference

 1.0
 1.2
 1.4
 1.8
 2.0
 2.5
 2.8
 3.5
 4.0
 4.5
 5.6
 6.7
 8.0
 9.5
11
13
16
19
22
27
32
38
45
54
64
76
91

30"
20"
15"
10"
 8"
 6"
 4"
 3"
 2"
 1"5
 1"
 0"7
 0"5
 0"3
   4
   6
   8
  10
  15
  20
  30
  45
  60
  90
 125
 180
 250
 350
 500
 750
1000
1500
2000
3000
4000

 1.0
 1.1
 1.2
 1.4
 1.6
 1.8
 2.0
 2.2
 2.5
 2.8
 3.2
 3.5
 4.0
 4.5
 5.0
 5.6
 6.3
 7.1
 8.0
 9.0
10
11
13
14
16
18
20
22
25
29
32
36
40
45
51
57
64
72
81
91

30"
25"
20"
15"
13"
10"
 8"
 6"
 5"
 4"
 3"2
 2"5
 2"
 1"6
 1"3
 1"
 0"8
 0"6
 0"5
 0"4
 0"3
   4
   5
   6
   8
  10
  13
  15
  20
  25
  30
  40
  50
  60
  80
 100
 125
 160
 200
 250
 320
 400
 500
 640
 800
1000
1250
1600
2000
2500
3200
4000

   6
   8
  10
  12
  16
  20
  25
  32
  40
  45
  64
  80
 100
 125
 160
 200
 250
 320
 400
 500
 640
 800
1000
1250
1600
2000
2500
3200
4000
5000
6400

  2"
  1"6
  1"3
  1"
    1.3
    1.6
    2.0
    2.5
    3
    4
    5
    6
    8
   10
   13
   15
   20
   25
   30
   40
   50
   60
   80
  100
  125
  160
  200
  250
  320
  400
  500
  650
  800
 1000
 1300
 1600
 2000
 2500
 3000
 4000
 5000
 6500
 8000
10000

2.8
3.2
3.6
4.0
4.5
4.9
5.6
6.3
7.1
8.0

  60"
  50"
  40"
  30"
  25"
  20"
  15"
  13"
  10"
   8"
   6"
   5"
   4"
   3.2"
   2.5"
   2"
   1.6"
   1.3"
   1"
   1.3
   1.6
   2
   2.5
   3.2
   4
   5
   6
   8
  10
  13
  15
  20
  25
  30
  40
  50
  60
  80
 100
 125
 160
 200
 250
 320
 400
 500
 640
 800
1000
1300
1600
2000