Canon Speedlite 90EX Instruction Manual page 68

闪光拍摄范围指南
ISO感光度
100
200
400
800
1600
3200
6400
12800
32
EF-M18-55mm f/3.5-5.6 IS STM
18mm (f/3.5)
1 - 2.6
1 - 3.6
1 - 5.1
1 - 7.3
1 - 10.3
1.3 - 14.5
1.8 - 20.6
2.6 - 29.1
55mm (f/5.6)
1 - 1.6
1 - 2.3
1 - 3.2
1 - 4.5
1 - 6.4
1 - 9.1
1.1 - 12.9
1.6 - 18.2
［约米数］
EF-M22mm f/2 STM
22mm (f/2.0)
1 - 4.5
1 - 6.4
1 - 9.0
1.1 - 12.7
1.6 - 18.0
2.3 - 25.5
3.2 - 36.0
4.5 - 50.9