Nikon R1C1 Wireless Close-Up Speedlight System Users Manual - English - Page 97
In Manual flash mode, Guide number in Auto FP High-Speed Sync using the SB-R200 m/ft
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t 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 level M1/1 M1/2 M1/4 M1/8 25 1.4/4.6 1.0/3.2 0.7/2.3 0.5/1.6 50 2.0/6.5 1.4/4.6 1.0/3.2 0.7/2.3 ISO sensitivity 100 200 400 2.8/9.2 4.0/13.1 5.6/18.5 2.0/6.5 2.8/9.2 4.0/13.1 1.4/4.6 2.0/6.5 2.8/9.2 1.0/3.2 1.4/4.6 2.0/6.5 800 1600 8.0/26.2 11.3/37.1 5.6/18.5 8.0/26.2 4.0/13.1 5.6/18.5 2.8/9.2 4.0/13.1 M1/16 M1/32 0.3/1.1 0.2/0.8 0.5/1.6 0.3/1.1 0.7/2.3 0.5/1.6 1.0/3.2 0.7/2.3 1.4/4.6 1.0/3.2 2.0/6.5 1.4/4.6 2.8/9.2 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. z Other functions 97