Photographer's calculator
1. Select the item you want to calculate.
2. Enter values for the other items.
3. Read the answer here.
Aperture
(f Stop)
1.4
2
2.8
4
5.6
8
11
16
22
32
44
64
Shutter speed
(seconds)
30
15
8
4
2
1
1/2
1/4
1/8
1/15
1/30
1/60
1/125
1/250
1/500
1/1000
1/2000
Film Speed
(ISO rating)
25
50
100
200
400
800
Exposure value
-2
-1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
