In Manual flash mode

In Auto FP High-Speed Sync in Manual flash mode, the SB-R200’s flash output level may be extremely low when the manual flash output level is set to a low value. However, this is not a malfunction. Flash output level may also vary depending on the subject matter conditions.

Guide number in Auto FP High-Speed Sync using the SB-R200 (m/ft)

Flash output

 

 

ISO sensitivity

 

 

level

25

50

100

200

400

800

1600

M1/1

1.4/4.6

2.0/6.5

2.8/9.2

4.0/13.1

5.6/18.5

8.0/26.2

11.3/37.1

M1/2

1.0/3.2

1.4/4.6

2.0/6.5

2.8/9.2

4.0/13.1

5.6/18.5

8.0/26.2

M1/4

0.7/2.3

1.0/3.2

1.4/4.6

2.0/6.5

2.8/9.2

4.0/13.1

5.6/18.5

M1/8

0.5/1.6

0.7/2.3

1.0/3.2

1.4/4.6

2.0/6.5

2.8/9.2

4.0/13.1

M1/16

0.3/1.1

0.5/1.6

0.7/2.3

1.0/3.2

1.4/4.6

2.0/6.5

2.8/9.2

M1/32

0.2/0.8

0.3/1.1

0.5/1.6

0.7/2.3

1.0/3.2

1.4/4.6

2.0/6.5

M1/64

0.1/0.5

0.2/0.8

0.3/1.1

0.5/1.6

0.7/2.3

1.0/3.2

1.4/4.6

•The guide number in Auto FP High-Speed Sync above is applicable when the shutter speed is set at 1/500 sec.

•The guide number in Auto FP High-Speed Sync above varies according to shutter speed. For example, when the shutter speed changes from 1/500 sec. to 1/1000 sec., the guide number decreases by 1 EV. This means that the higher the shutter speed, the lower the guide number.

functions Other

97